Prof. Dr.-Ing.

Rainer Helmig

Leiter
Institut für Wasser- und Umweltsystemmodellierung
Lehrstuhl für Hydromechanik und Hydrosystemmodellierung
Forschungssemester
Rainer Helmig ist vom 1. April bis 30. September 2019 im Forschungssemester

Kontakt

+49 711 685-64741
+49 711 685-60430

Visitenkarte (VCF)

Pfaffenwaldring 61
70569 Stuttgart
Deutschland
Raum: 1.015

Ausbreitungs- und Transportvorgänge in Strömungen Vorlesung Übung
Einführung in die Modellierung Vorlesung
Environmental Fluid Mechanics II Vorlesung
Fluidmechanik 1 Vorlesung Übung
Grundlagen zu Numerische Methoden der Fluidmechanik Vorlesung Übung
Mehrphasenmodellierung in porösen Medien Vorlesung Übung
Multiphase Modeling in Porous Media Vorlesung
Ringvorlesung SimTech Vorlesung
Simulationstechnik A Vorlesung

Lebenslauf

Werdegang:

Studium
Bauingenieur, Diplom 1986 Universität Hannover (Germany)
Promotion
Februar 1993 Universität Hannover (Germany)
Habilitation
November 1996 Universität Stuttgart (Germany)
seit Oktober 2000
Institut für Wasser- und Umweltsystemmodellierung, Universität Stuttgart

Mitglied im gemeinsamen Koordinierungsausschuss des GEOTECHNOLOGIEN-Programms von DFG und BMBF

Principal Investigator und Mitglied des Direktoriums von SimTech - Cluster of Excellence

Associate Editor von Water Resources Research externer LinkWater Resources Research, Mitglied im Editorial Board von den Zeitschriften "Advances in Water Resources", "Computational Geosciences" und "GEM - International Journal on Geomathematics".

Vorsitzender des Stiftungsrates der externer Link Stiftung AQUA

Associate Editor of
- Journal of Porous Media (JPM)
- Special Topics and Reviews in Porous Media - An International Journal (STRPM)

Publikationen

  1. article

    1. Koch, T., Schneider, M., Helmig, R., & Jenny, P. (2019). Modeling tissue perfusion in terms of 1d-3d embedded mixed-dimension coupled problems with distributed sources. ArXiv E-Prints, arXiv:1905.03346.
    2. Weishaupt, K., Joekar-Niasar, V., & Helmig, R. (2019). An efficient coupling of free flow and porous media flow using the pore-network modeling approach. Journal of Computational Physics: X, 1. https://doi.org/10.1016/j.jcpx.2019.100011
    3. Yang, G., Coltman, E., Weishaupt, K., Terzis, A., Helmig, R., & Weigand, B. (2019). On the Beavers-Joseph interface condition for non-parallel coupled channel flow over a porous structure at high Reynolds numbers. Transport in Porous Media. https://doi.org/10.1007/s11242-019-01255-5
    4. Yang, G., Vaikuntanathan, V., Terzis, A., Cheng, X., Weigand, B., & Helmig, R. (2019). Impact of a linear array of hydrophilic and superhydrophobic spheres on a deep water pool. Colloids and Interfaces. https://doi.org/10.3390/colloids3010029
    5. Gao, B., Davarzani, H., Helmig, R., & Smits, K. M. (2018). Experimental and numerical study of evaporation from wavy surfaces by coupling free flow and porous media flow. Water Resources Research. https://doi.org/10.1029/2018WR023423
    6. Schneider, M., Köppl, T., Helmig, R., Steinle, R., & Hilfer, R. (2018). Stable propagation of saturation overshoots for two-phase flow in porous media. Transport in Porous Media, 121(3). https://doi.org/10.1007/s11242-017-0977-y
    7. Praditia, T., Helmig, R., & Hajibeygi, H. (2018). Multiscale formulation for coupled flow-heat equations arising from single-phase flow in fractured geothermal reservoirs. Computational Geosciences. https://doi.org/10.1007/s10596-018-9754-4
    8. Vidotto, E., Koch, T., Köppl, T., Helmig, R., & Wohlmuth, B. I. (2018). Hybrid models for simulating blood flow in microvascular networks. Eprint ArXiv:1811.10373. Retrieved from https://arxiv.org/abs/1811.10373
    9. Köppl, T., Fedoseyev, M., & Helmig, R. (2018). Simulation of surge reduction systems using dimensionally reduced models. Journal of Hydraulic Engineering. https://doi.org/10.1061/(ASCE)HY.1943-7900.0001553
    10. Becker, B., Guo, B., Bandilla, K., Celia, M. A., Flemisch, B., & Helmig, R. (2018). An adaptive multiphysics model coupling vertical equilibrium and full multidimensions for multiphase flow in porous media. Water Resources Research, 54. https://doi.org/10.1029/2017WR022303
    11. Schneider, M., Gläser, D., Flemisch, B., & Helmig, R. (2018). Comparison of finite-volume schemes for diffusion problems. Oil & Gas Science and Technology-Revue de l’IFP, 73. Retrieved from https://ogst.ifpenergiesnouvelles.fr/articles/ogst/pdf/2018/01/ogst180050.pdf
    12. Köppl, T., Santin, G., Haasdonk, B., & Helmig, R. (2018). Numerical modelling of a peripheral arterial stenosis using dimensionally reduced models and machine learning techniques. International Journal for Numerical Methods in Biomedical Engineering. https://doi.org/10.1002/cnm.3095
    13. Gläser, D., Flemisch, B., Helmig, R., & Class, H. (2018). A hybrid-dimensional discrete fracture model for non-isothermal two-phase flow in fractured porous media.
    14. Koch, T., Heck, K., Schröder, N., Class, H., & Helmig, R. (2018). A new simulation framework for soil-root interaction, evaporation, root growth, and solute transport. Vadose Zone Journal. https://doi.org/10.2136/vzj2017.12.0210
    15. Koch, T., Flemisch, B., Helmig, R., Obrist, D., & Wiest, R. (2018). A multi-scale sub-voxel perfusion model to estimate diffusive capillary wall conductivity in multiple sclerosis lesions from perfusion MRI data. BioRxiv Preprints. https://doi.org/10.1101/507103
    16. Gläser, D., Helmig, R., Flemisch, B., & Class, H. (2017). A discrete fracture model for two-phase flow in fractured porous media. Advances in Water Resources, 110. https://doi.org/10.1016/j.advwatres.2017.10.031
    17. Terzis, A., Roumeli, E., Weishaupt, K., Brack, S., Aslannejad, H., Groß, J., … Weigand, B. (2017). Heat release at the wetting front during capillary filling of cellulosic micro-substrates. Journal of Colloid and Interface Science. https://doi.org/10.1016/j.jcis.2017.06.027
    18. Schneider, M., Flemisch, B., Helmig, R., Terekhov, K., & Tchelepi, H. (2017). Monotone nonlinear finite-volume method for challenging grids. Computational Geosciences. https://doi.org/10.1007/s10596-017-9710-8
    19. Jabbari, M., Shojaee Nasirabadi, P., Jambhekar, V. A., Hattel, J. H., & Helmig, R. (2017). Drying of a tape-cast layer: Numerical investigation of influencing parameters. International Journal of Heat and Mass Transfer, 108. https://doi.org/10.1016/j.ijheatmasstransfer.2017.01.074
    20. Gupta, S., Deusner, C., Haeckel, M., Helmig, R., & Wohlmuth, B. I. (2017). Testing a thermo-chemo-hydro-geomechanical model for gas hydrate bearing sediments using triaxial compression lab experiments. https://doi.org/10.1002/2017GC006901
    21. Becker, B., Guo, B., Bandilla, K., Celia, M. A., Flemisch, B., & Helmig, R. (2017). A pseudo-vertical equilibrium model for slow gravity drainage dynamics. Water Resources Research, 53. https://doi.org/10.1002/2017WR021644
    22. Yang, G., Weigand, B., Terzis, A., Weishaupt, K., & Helmig, R. (2017). Numerical simulation of turbulent flow and heat transfer in a three-dimensional channel coupled with flow through porous structures. Transport in Porous Media, 120. https://doi.org/10.1007/s11242-017-0995-9
    23. Mejri, E., Bouhlila, R., & Helmig, R. (2017). Heterogeneity effects on evaporation-induced halite and gypsum co-precipitation in porous media. Transport in Porous Media. https://doi.org/10.1007/s111242-017-0846-8
    24. Neuweiler, I., & Helmig, R. (2017). Debates - Hypothesis testing in hydrology: a subsurface perspective. Water Resources Research, 53. https://doi.org/1002/2016WR020047
    25. Trautz, A., Illangasekare, T., Rodriguez-Iturbe, I., Heck, K., & Helmig, R. (2017). Development of an experimental approach to study coupled soil-plant-atmosphere processes using plant analogs. Water Resources Research, 53.
    26. Fetzer, T., Vanderborght, J., Mosthaf, K., Smits, K. M., & Helmig, R. (2017). Heat and water transport in soils and across the soil-atmosphere interface: 2. Numerical analysis. Water Resources Research, 53(2). https://doi.org/10.1002/2016WR019983
    27. Vanderborght, J., Fetzer, T., Mosthaf, K., Smits, K. M., & Helmig, R. (2017). Heat and water transport in soils and across the soil-atmosphere interface: 1. Theory and different model concepts. Water Resources Research, 53(2). https://doi.org/10.1002/2016WR019982
    28. Lindner, F., Nuske, P., Weishaupt, K., Helmig, R., Mundt, C., & Pfitzner, M. (2016). Transpiration cooling with local thermal nonequilibrium: Model comparison in multiphase flow in porous media. Journal of Porous Media, 19. https://doi.org/10.1615/JPorMedia.v19.i2.30
    29. Fattahi, E., Waluga, C., Wohlmuth, B. I., Rüde, U., Manhard, M., & Helmig, R. (2016). Lattice Boltzmann methods in porous media simulations: laminar to turbulent flow. Computers and Fluids, 140.
    30. Hommel, J., Ebigbo, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2016). Finding a balance between accuracy and effort for modeling biomineralization. Energy Procedia, 97. https://doi.org/10.1016/j.egypro.2016.10.028
    31. Gupta, S., Wohlmuth, B. I., & Helmig, R. (2016). Multi-rate time stepping schemes for hydro-geomechanical model for subsurface methane hydrate reservoirs. Advances in Water Resources, 91. https://doi.org/10.1016/j.advwatres.2016.02.013
    32. Jambhekar, V. A., Mejri, E., Schröder, N., Helmig, R., & Shokri, N. (2016). Kinetic Approach to Model Reactive Transport and Mixed Salt Precipitation in a Coupled Free-Flow–Porous-Media System. Transport in Porous Media. https://doi.org/10.1007/s11242-016-0665-3
    33. Schneider, M., Flemisch, B., & Helmig, R. (2016). Monotone nonlinear finite-volume method for nonisothermal two-phase two-component flow in porous media. International Journal for Numerical Methods in Fluids, 84(6). https://doi.org/10.1002/fld.4352
    34. Jabbari, M., Jambhekar, V. A., Hattel, J. H., & Helmig, R. (2016). Drying of a tape-cast layer: Numerical modelling of the evaporation process in a graded/layered material. International Journal of Heat and Mass Transfer, 103. https://doi.org/10.1016/j.ijheatmasstransfer.2016.08.073
    35. Helmig, Rainer, Hassanizadeh, S. M., & Dahle, H. K. (2016). Foreword. NUPUS: Porous media research has got a brand name. Transport in Porous Media, 114. https://doi.org/10.1007/s11242-016-0736-5
    36. Szymanska, P., Tisler, W., Schütz, C., Szymkiewicz, A., Neuweiler, I., & Helmig, R. (2016). Experimental and numerical analysis of air trapping in a porous medium with coarse textured inclusions. Acta Geophysica, 64.
    37. Baber, K., Flemisch, B., & Helmig, R. (2016). Modelling drop dynamics at the interface between free and porous-medium flow using the mortar method. International Journal of Heat and Mass Transfer. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/SimTech_Preprint_Baber2014.pdf
    38. Drzisga, D., Köppl, T., Pohl, U., Helmig, R., & Wohlmuth, B. I. (2016). Numerical modeling of compensation mechanisms for peripheral arterial stenoses. Computers in Biology and Medicine, (70).
    39. Hommel, J., Lauchnor, E., Gerlach, R., Cunningham, A. B., Ebigbo, A., Helmig, R., & Class, H. (2016). Investigating the influence of the initial biomass distribution and injection strategies on biofilm-mediated calcite precipitation in porous media. Transport in Porous Media, 114(2). https://doi.org/10.1007/s11242-015-0617-3
    40. Fetzer, T., Smits, K. M., & Helmig, R. (2016). Effect of Turbulence and Roughness on Coupled Porous-Medium/Free-Flow Exchange Processes. Transport in Porous Media, 114(2). https://doi.org/10.1007/s11242-016-0654-6
    41. Hommel, J., Lauchnor, E., Phillips, A., Gerlach, R., Cunningham, A. B., Helmig, R., … Class, H. (2015). A revised model for microbially induced calcite precipitation: Improvements and new insights based on recent experiments. Water Resources Research, 51(5). https://doi.org/10.1002/2014WR016503
    42. Rybak, I., Magiera, J., Helmig, R., & Rohde, C. (2015). Multirate time integration for coupled saturated/unsaturated porous medium and free flow systems. Computational Geosciences. https://doi.org/10.1007/s10596-015-9469-8
    43. Schwenck, N., Flemisch, B., Helmig, R., & Wohlmuth, B. I. (2015). Dimensionally reduced flow models in fractured porous media: crossings and boundaries. Computational Geosciences, 19(6). https://doi.org/10.1007/s10596-015-9536-1
    44. Nuske, P., Ronneberger, O., Karadimitriou, N., Helmig, R., & Hassanizadeh, S. M. (2015). Modelling Multi-Phase Flow in a Micro-Model with Local Thermal Non-Equilibrium on the Darcy Scale. International Journal of Heat and Mass Transfer, 88.
    45. Faigle, B., Elfeel, M. A., Helmig, R., Becker, B., Flemisch, B., & Geiger, S. (2015). Multi-physics modeling of non-isothermal compositional flow on adaptive grids. Computational Methods in Applied Mechanical Engineering, 292. https://doi.org/10.1016/j.cma.2014.11.030
    46. Tatomir, A., Schaffer, M., Kissinger, A., Hommel, J., Nuske, P., Licha, T., … Sauter, M. (2015). Novel approach for modeling kinetic interface-sensitive (KIS) tracers with respect to time-dependent interfacial area change for the optimization of supercritical carbon dioxide injection into deep saline aquifers. International Journal of Greenhouse Gas Control, 33. https://doi.org/10.1016/j.ijggc.2014.11.020
    47. Lindner, F., Nuske, P., Helmig, R., Mundt, C., & Pfitzner, M. (2014). Transpiration Cooling with Local Thermal Non-Equilibrium: Model Comparison in Multiphase Flow in Porous Media. Journal of Porous Media.
    48. Schmid, K. S., Groß, J., & Helmig, R. (2014). Chemical osmosis in two-phase flow and salinity-dependent capillary pressures in rocks with microporosity. Water Resources Research. https://doi.org/10.1002/2013WR013848
    49. Mosthaf, K., Helmig, R., & Or, D. (2014). Modeling and analysis of evaporation processes from porous media on the REV scale. Water Resources Research, 50. https://doi.org/10.1002/2013WR014442
    50. Faigle, B., Helmig, R., Aavatsmark, I., & Flemisch, B. (2014). Efficient multiphysics modelling with adaptive grid-refinement using an MPFA method. Computational Geosciences, 18(5). https://doi.org/10.1007/s10596-014-9407-1
    51. Nuske, P., Joekar-Niasar, V., & Helmig, R. (2014). Non-Equilibrium in Multiphase Multicomponent Flow in Porous Media: An Evaporation Example. International Journal of Heat and Mass Transfer. https://doi.org/10.1016/j.ijheatmasstransfer.2014.03.011
    52. Karadimitriou, N., Nuske, P., Kleingeld, P., Hassanizadeh, S. M., & Helmig, R. (2014). Simultaneous thermal and optical imaging of two-phase flow in a micro-model. https://doi.org/10.1039/c4lc00321g
    53. Szymkiewicz, A., Neuweiler, I., & Helmig, R. (2014). Influence of heterogeneous air entry pressure on large scale unsaturated flow in porous media. Computers in Biology and Medicine, 62. https://doi.org/10.2478/s11600-014-0224-7
    54. Hommel, J., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2013). Numerical Investigation of Microbially Induced Calcite Precipitation as a Leakage Mitigation Technology. Energy Procedia, 40,2013. https://doi.org/10.1016/j.egypro.2013.08.045
    55. Kissinger, A., Helmig, R., Ebigbo, A., Class, H., Lange, T., Sauter, M., … Jahnke, W. (2013). Hydraulic fracturing in unconventional gas reservoirs: risks in the geological system, part 2. Environmental Earth Sciences. https://doi.org/10.1007/s12665-013-2578-6
    56. Helmig, Rainer, Flemisch, B., Wolff, M., Ebigbo, A., & Class, H. (2013). Model coupling for multiphase flow in porous media. Advances in Water Resources, 51. https://doi.org/10.1016/j.advwatres.2012.07.003
    57. Köppl, T., Wohlmuth, B. I., & Helmig, R. (2013). Reduced one-dimensional modelling and numerical simulation for mass transport in fluids. International Journal for Numerical Methods in Fluids, 72. https://doi.org/10.1002/fld.3728
    58. Wolff, M., Flemisch, B., & Helmig, R. (2013). An adaptive multi-scale approach for modeling two-phase flow in porous media including capillary pressure. Water Resources Research, 49(12). Retrieved from https://onlinelibrary.wiley.com/doi/10.1002/2013WR013800/full
    59. Lange, T., Sauter, M., Heitfeld, M., Schetelig, K., Brosig, K., Jahnke, W., … Class, H. (2013). Hydraulic fracturing in unconventional gas reservoirs: risks in the geological system, part 1. Environmental Earth Sciences. https://doi.org/10.1007/s12665-013-2803-3
    60. Stoverud, K. H., Darcis, M., Helmig, R., & Hassanizadeh, S. M. (2012). Modeling concentration distribution and deformation during convection-enhanced drug delivery into brain tissue. Transport in Porous Media, 92(1).
    61. Sauter, M., Helmig, R., & Klünker, J. (2012). Risiken im Geologischen System bei der Fracking-Technologie: Abschätzung der Auswirkungen auf Grundwasservorkmmen. Wasser Und Abfall, Boden, Altlasten, Umweltschutz, 14.
    62. Richter, T., Rudlof, S., Adjibadji, B., Bernlöhr, H., Grüninger, C., Munz, C.-D., … Helmig, R. (2012). ViPLab - A Virtual Programming Laboratory for Mathematics and Engineering. Interactive Technology and Smart Education, 9(4). https://doi.org/10.1108/17415651211284039
    63. Drewes, J., Geist, J., Hegerl, G., Helmig, R., Huber, H., Jekel, M., … Wilderer, P. (2012). Integrierter Ansatz zur Wasserforschung und Technologieentwicklung. Korrespondenz Abwasser, 59.
    64. Wolff, M., Flemisch, B., Helmig, R., & Aavatsmark, I. (2012). Treatment of tensorial relative permeabilities with multipoint flux approximation. International Journal of Numerical Analysis & Modeling, 9(3). Retrieved from https://www.math.ualberta.ca/ijnam/Volume-9-2012/No-3-12/2012-03-14.pdf
    65. Jackson, A. S., Rybak, I., Helmig, R., Gray, W. G., & Miller, C. T. (2012). Thermodynamically constrained averaging theory approach for modeling flow and transport phenomena in porous medium systems: 9. Transition region model. Advances in Water Resources, 42. https://doi.org/10.1016/j.advwatres.2012.01.006
    66. Erbertseder, K., Reichold, J., Helmig, R., Jenny, P., & Flemisch, B. (2012). A coupled discrete / continuum model for describing cancer therapeutic transport in the lung. PloS ONE (Public Library of Science Online Journal), 7(3). Retrieved from https://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0031966
    67. Enzenhöfer, R., Nowak, W., & Helmig, R. (2012). Probabilistic exposure risk assessment with advective-dispersive well vulnerability criteria. Advances in Water Resources, 36. https://doi.org/10.1016/j.advatres.2011.04.018
    68. Baber, K., Mosthaf, K., Flemisch, B., Helmig, R., Müthing, S., & Wohlmuth, B. I. (2012). Numerical scheme for coupling two-phase compositional porous-media flow and one-phase compositional free flow. IMA Journal of Applied Mathematics, 77. https://doi.org/10.1093/imamat/hxs048
    69. Kuhlmann, A., Neuweiler, I., van der Zee, S. E. A. T. M., & Helmig, R. (2012). Influence of soil structure and root water uptake strategy on steady state unsaturated flow in heterogeneous media. Water Resources Research, 48(2). https://doi.org/10.1029/2011WR010651
    70. Cao, Y., Helmig, R., & Wohlmuth, B. I. (2011a). A two-scale operator-splitting method for two-phase flow in porous media. Advances in Water Resources, 34(12). https://doi.org/10.1016/j.advwatres.2011.07.002
    71. Szymkiewicz, A., Helmig, R., & Neuweiler, I. (2011). Upscaling unsaturated flow in binary porous media with air entry pressure effects. Water Resources Research, 48. https://doi.org/10.1029/2011WR010893
    72. Flemisch, B., Darcis, M., Erbertseder, K., Faigle, B., Lauser, A., Mosthaf, K., … Helmig, R. (2011). DUMUX: DUNE for multi-phase, component, scale, physics, ... flow and transport in porous media. Advances in Water Resources, 34(9). https://doi.org/10.1016/j.advwaters.2011.03.007
    73. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011a). A concept for data-driven uncertainty quantification and its application to carbon dioxide storage in geological formations. Advances in Water Resources, 34. https://doi.org/10.1016/j.advwatres.2011.08.005
    74. Lauser, A., Hager, C., Helmig, R., & Wohlmuth, B. I. (2011). A new approach for phase transitions in miscible multi-phase flow in porous media. Advances in Water Resources, 34(8). https://doi.org/10.1016, j.advwaters.2011.04.021
    75. Neuweiler, I., Papafotiou, A., Class, H., & Helmig, R. (2011). Estimation of effective parameters for a two-phase flow problem in non-Gaussian heterogeneous porous media. Journal of Contaminant Hydrology, 120121(1). https://doi.org/10.1016/j.jconhyd.2010.08.001
    76. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011b). An integrative approach to robust design and probabilistic risk assessment for CO2 storage in geological formations. Computational Geosciences, 15(3). https://doi.org/10.1007/s10596-011-9224-8
    77. Fritz, J., Flemisch, B., & Helmig, R. (2011). Decoupled and multiphysics models for non-isothermal compositional two-phase flow in porous media. International Journal of Numerical Analysis & Modeling, 9(1). Retrieved from https://www.math.ualberta.ca/ijnam/Volume-9-2012/No-1-12/2012-01-02.pdf
    78. Tatomir, A., Szymkiewicz, A., Class, H., & Helmig, R. (2011). Modeling two phase flow in large scale fractured porous media with an extended multiple interacting continua method. Computer Modeling in Engineering & Sciences.
    79. Darcis, M., Class, H., Flemisch, B., & Helmig, R. (2011). Sequential model coupling for feasibility studies of CO2 storage in deep saline aquifers. Oil & Gas Science and Technology-Revue de l’IFP, 66(1). https://doi.org/10.2516/ogst/2010037
    80. Ahrenholz, B., Niessner, J., Helmig, R., & Krafczyk, M. (2011). Pore-scale determination of parameters for macro-scale modeling of evaporation processes in porous media. Water Resources Research, 47. https://doi.org/10.1029/2010WR009519
    81. Cao, Y., Helmig, R., & Wohlmuth, B. I. (2011b). Convergence of the multipoint flux approximation L-method for homogeneous media on uniform grids. Numerical Methods for Partial Differential Equations, 27(2). https://doi.org/10.1002/num.20525
    82. Szymkiewicz, A., & Helmig, R. (2011). Comparison of conductivity averaging methods for one-dimensional unsaturated flow in layered soils. Advances in Water Resources, 34(8). https://doi.org/10.1016/j.advwatres.2011.05.011
    83. Walter, L., Oladyshkin, S., Class, H., Darcis, M., & Helmig, R. (2011). A study on pressure evolution in a sand channel system during CO2 injection. Energy Procedia, 4.
    84. Mosthaf, K., Baber, K., Flemisch, B., Helmig, R., Leijnse, T., Rybak, I., & Wohlmuth, B. I. (2011). A coupling concept for two-phase compositional porous-medium and single-phase compositional free flow. Water Resources Research, 47. Retrieved from https://onlinelibrary.wiley.com/doi/10.1029/2011WR010685/abstract
    85. Szymkiewicz, A., Helmig, R., & Kuhnke, H. (2011). Two phase flow in heterogeneous porous media with non-wetting phase trapping. Transport in Porous Media, 86(1). https://doi.org/10.1007/s11242-010-9604-x
    86. van Noorden, T. L., Pop, I. S., Ebigbo, A., & Helmig, R. (2010). An upscaled model for biofilm growth in a thin strip. Water Resources Research, 46. https://doi.org/10.1029/2009WR008217
    87. Papafotiou, A., Sheta, H., & Helmig, R. (2010). Numerical modeling of two-phase hysteresis combined with an interface condition for heterogeneous porous media. Computational Geosciences, 14(2). https://doi.org/10.1007/s10596-009-9151-0
    88. Skjælaaen, I., Ebigbo, A., Espedal, M., & Helmig, R. (2010). A model for transport of hydrogen sulfide in oil- and water-saturated porous media. Computing and Visualization in Science, 13(6). https://doi.org/10.1007/s00791-010-0143-3
    89. Nuske, P., Faigle, B., Helmig, R., Niessner, J., & Neuweiler, I. (2010). Modeling gas-water processes in fractures with fracture flow properties obtained through upscaling. Water Resources Research, 46. https://doi.org/10.1029/2009WR008076
    90. Ochs, S. O., Class, H., Färber, A., & Helmig, R. (2010). Methods for predicting the spreading of steam below the water table during subsurface remediation. Water Resources Research, 46. https://doi.org/10.1029/2007WR006401
    91. Kopp, A., Binning, P. J., Johannsen, K., Helmig, R., & Class, H. (2010). A contribution to risk analysis for leakage through abandoned wells in geological CO2 storage. Advances in Water Resources, 33(8). https://doi.org/10.1016/j.advwatres.2010.05.001
    92. Troldborg, M., Nowak, W., Tuxen, N., Bjerg, P. L., Helmig, R., & Binning, P. J. (2010). Uncertainty evaluation of mass discharge estimates from a contaminated site using a fully Bayesian framework. Water Resources Research, 46(W12552). https://doi.org/10.1029/2010WR009227
    93. Ebigbo, A., Helmig, R., Cunningham, A. B., Class, H., & Gerlach, R. (2010). Modelling biofilm growth in the presence of carbon dioxide and water flow in the subsurface. Advances in Water Resources, 33(7). https://doi.org/10.1016/j.advwatres.2010.04.004
    94. Class, H., Ebigbo, A., Helmig, R., Dahle, H. K., Nordbotten, J. M., Celia, M. A., … Wei, L. (2009). A benchmark study on problems related to CO2 storage in geologic formations: Summary and discussion of the results. Computational Geosciences, 13(4). https://doi.org/10.1007/s10596-009-9146-x
    95. Helmig, Rainer, Weiss, A., & Wohlmuth, B. I. (2009). Variational inequalities for modeling flow in heterogeneous porous media with entry pressure. Computational Geosciences, 13(3). https://doi.org/10.1007/s10596-008-9125-7
    96. Kopp, A., Class, H., & Helmig, R. (2009a). Investigations on CO2 storage capacity in saline aquifers - Part 1: Dimensional analysis of flow processes and reservoir characteristics. International Journal of Greenhouse Gas Control, 3(3). https://doi.org/10.1016/j.ijggc.2008.10.002
    97. Class, H., Dahle, H. K., & Helmig, R. (2009). Preface (to the Special Issue). Computational Geosciences, 13. https://doi.org/10.1007/s10596-009-9160-z
    98. Kopp, A., Probst, P., Class, H., Hurter, S., & Helmig, R. (2009). Estimation of CO2 storage capacity coefficients in geologic formations. Energy Procedia, 1(1). https://doi.org/10.1016/j.egypro.2009.02.060
    99. Geiger, S., Matthäi, S., Niessner, J., & Helmig, R. (2009). Black-oil simulations for three-component - three-phase flow in fractured porous media. SPE Journal, 14(2). https://doi.org/10.2118/107485-PA
    100. Kopp, A., Class, H., & Helmig, R. (2009b). Investigations on CO2 storage capacity in saline aquifers - Part 2: Estimation of storage capacity coefficients. International Journal of Greenhouse Gas Control, 3(3). https://doi.org/10.1016/j.ijggc.2008.10.001
    101. Freiboth, S., Class, H., Helmig, R., Graf, T., Ehlers, W., Schwarz, V., & Vrettos, C. (2009). A model for multiphase flow and transport in porous media including a phenomenological approach to account for deformation - a model concept and its validation within a code intercomparison study. 13(3). https://doi.org/10.1007/s10596-008-9118-6
    102. Haegland, H., Assteerawatt, A., Dahle, H. K., Eigestad, G. T., & Helmig, R. (2009). Comparison of cell- and vertex-centered discretization methods for flow in a two-dimensional discrete-fracture-matrix system. Advances in Water Resources, 32.
    103. Dogan, M. O., Class, H., & Helmig, R. (2009). Different concepts for the coupling of porous-media flow with lower-dimensional pipe flow. Computer Modeling in Engineering & Sciences, 53(3). https://doi.org/10.3970/cmes.2009.053.207
    104. Niessner, J., & Helmig, R. (2009). Multi-physics modeling of flow and transport in porous media using a downscaling approach. Advances in Water Resources, 32(6). https://doi.org/10.1016/j.advwatres.2009.02.007
    105. Cao, Y., Helmig, R., & Wohlmuth, B. I. (2009). Geometrical interpretation of the multipoint flux approximation L-method. International Journal for Numerical Methods in Fluids, 60(11). https://doi.org/10.1002/fld.1926
    106. Kopp, A., Ebigbo, A., Bielinski, A., Class, H., & Helmig, R. (2009). Numerical simulation of temperature changes caused by CO2 injection in geological reservoirs. Carbon Dioxide Sequestration in Geological Media - State of the Science, (59).
    107. Class, H., Helmig, R., & Neuweiler, I. (2008). Sequential coupling of models for contaminant spreading in the vadose zone. Vadose Zone Journal, 7(2). https://doi.org/10.2136/vzj2007.0056
    108. Papafotiou, A., Helmig, R., Schaap, J., Lehmann, P., Kaestner, A., Flühler, H., … Durner, W. (2008). From the pore scale to the lab scale: 3D lab experiment and numerical simulation of drainage in heterogeneous porous media. Advances in Water Resources, 31(9). https://doi.org/10.1016/j.advwatres.2007.09.006
    109. Manthey, S., Hassanizadeh, S. M., Helmig, R., & Hilfer, R. (2008). Dimensional analysis of two-phase flow including a rate-dependent capillary pressure-saturation relationship. Advances in Water Resources, 31(9). https://doi.org/10.1016/j.advwatres.2008.01.021
    110. Vasin, M., Lehmann, P., Kaestner, A., Hassanein, R., Nowak, W., Helmig, R., & Neuweiler, I. (2008). Drainage in heterogeneous sand columns with different geometric structures. Advances in Water Resources, 31(9). https://doi.org/10.1016/j.advwatres.2008.01.004
    111. Eder, M., Kobus, H., & Helmig, R. (2008). Dreidimensionale Modellierung der Hydrodynamik im Bodensee. Wasserwirtschaft, 98,1.
    112. Helmig, Rainer, Weiss, A., & Wohlmuth, B. I. (2007). Dynamic capillary effects in heterogeneous porous media. 11(3). https://doi.org/10.1007/s10596-007-9050-1
    113. van Duijn, C. J., Eichel, H., Helmig, R., & Pop, I. S. (2007). Effective equations for two-phase flow in porous media: the effect of trapping on the microscale. Transport in Porous Media, 69(3). https://doi.org/10.1007/s11242-006-9089-9
    114. Niessner, J., & Helmig, R. (2007). Multi-scale modeling of three-phase--three-component processes in heterogeneous porous media. Advances in Water Resources, 30(11). https://doi.org/10.1016/j.advwatres.2007.05.008
    115. Kobayashi, K., Hinkelmann, R., Helmig, R., Takara, K., & Tamai, N. (2007). A numerical experiment with two-phase and two-phase/three-component models for the methane migration in the subsurface aquifer. 63(2).
    116. Ebigbo, A., Class, H., & Helmig, R. (2007). CO2 leakage through an abandoned well: Problem-oriented benchmarks. 11(2). https://doi.org/10.1007/s10596-006-9033-7
    117. Reichenberger, V., Jakobs, H., Bastian, P., & Helmig, R. (2006). A mixed-dimensional finite volume method for two-phase flow in fractured porous media. Advances in Water Resources, 29(7). https://doi.org/10.1016/j.advwatres.2005.09.001
    118. Acosta, M., Merten, C., Eigenberger, G., Class, H., Helmig, R., Thoben, B., & Müller-Steinhagen, H. (2006). Modeling non-isothermal two-phase multicomponent flow in the cathode of PEM fuel cells. (2). https://doi.org/10.1016/j.jpowsour.2005.12.068
    119. Niessner, J., & Helmig, R. (2006b). Multi-scale modeling of two-phase - two-component processes in heterogeneous porous media. Numerical Linear Algebra with Applications, 13(9). https://doi.org/10.1002/nla.497
    120. Helmig, Rainer, Sheta, H., Meiners, H., & Kunz, E. (2006). Numerische Simulation von Gasströmen im Grubengebäude und im Gebirge. 142(01_02).
    121. Helmig, Rainer, Niessner, J., & Class, H. (2006). Recent advances in finite element methods for multi-phase flow processes in porous media. 20(03_04). https://doi.org/10.1080/00036810600792154
    122. Helmig, Rainer, Schaap, J., Lehmann, P., Kaestner, A., Flühler, H., & Hassanein, R. (2006). Problem identification and sensitivity analysis for a well-controlled 3d lab-scale experiment.
    123. Class, H., Bielinski, A., Helmig, R., Kopp, A., & Ebigbo, A. (2006). Numerische Simulation der Speicherung von CO2 in geologischen Formationen. 78(4).
    124. Niessner, J., Helmig, R., Jakobs, H., & Roberts, J. (2005). Interface condition and linearization schemes in the Newton iterations for two-phase flow in heterogeneous porous media. 28(7). https://doi.org/10.1016/j.advwatres.2005.01.006
    125. Braun, C., Helmig, R., & Manthey, S. (2005). Macro-scale effective constitutive relationships for two-phase flow processes in heterogeneous porous media with emphasis on the relative permeability-saturation-relationship. 76(01_02). https://doi.org/10.1016/j.jconhyd.2004.07.009
    126. Manthey, S., Hassanizadeh, S. M., & Helmig, R. (2005). Macro-scale dynamic effects in homogeneous and heterogeneous porous media. 58(01_02). https://doi.org/10.1007/s11242-004-5472-6
    127. Hilfer, R., & Helmig, R. (2004). Dimensional analysis and upscaling of two-phase flow in porous media with piecewise constant heterogeneities. 27(10). https://doi.org/10.1016/j.advwatres.2004.07.003
    128. Findikatis, A., Helmig, R., Kitanidis, P. K., Nimmo, J., Pruess, K., Rubin, Y., … Tsang, C.-F. (2004). Summary of a panel discussion at the International Groundwater Symposium held onMarch 25-28. 2002 Berkeley, Califorina, USA. 42(03_04).
    129. Hazra, S. B., Class, H., Helmig, R., & Schulz, V. (2004). Forward and inverse problems in modeling of multiphase flow and transport through porous media. 8(1). https://doi.org/10.1023/B:COMG.0000024445.39048.21
    130. Hinkelmann, R., Paul, M., Helmig, R., & Breiting, T. (2004). New media in environmental and water-related engineering education. 13(2).
    131. Class, H., & Helmig, R. (2002). Numerical simulation of nonisothermal multiphase multicomponent processes in porous media - 2. Applications for the injection of steam and air. 25(5). https://doi.org/10.1016/S0309-1708(02)00015-5
    132. Class, H., Helmig, R., & Bastian, P. (2002). Numerical simulation of nonisothermal multiphase multicomponent processes in porous media - 1. An efficient solution technique. 25(5). https://doi.org/10.1016/S0309-1708(02)00014-3
    133. Brevdo, L., Helmig, R., Haragus-Courcelle, M., & Kirchgässner, K. (2001). Permanent fronts in two-phase flows in a porous medium. 44(3). https://doi.org/10.1023/A:1010723604900
    134. Bastian, P., & Helmig, R. (1999). Efficient fully-coupled solution techniques for two phase flow in porous media. Parallel multigrid solution and large scale computations. Advances in Water Resources, 23(3). https://doi.org/10.1016/S0309-1708(99)00014-7
    135. Huber, R. U., & Helmig, R. (1999a). Multiphase flow in heterogeneous porous media: A classical finite element method versus an IMPES-based mixed FE/FV approach. 29(8). https://doi.org/10.1002/(SICI)1097-0363(19990430)29:8<899::AID-FLD715>3.0.CO;2-W
    136. Schulz, V., Bárdossy, A., & Helmig, R. (1999). Conditional statistical inverse modeling in groundwater flow by multigrid methods. 3(1).
    137. Cirpka, O. A., Frind, E. O., & Helmig, R. (1999b). Streamline-oriented grid-generation of transport modelling in two-dimensional domains including wells. 22(7). https://doi.org/10.1016/S0309-1708(98)00050-5
    138. Cirpka, O. A., Frind, E. O., & Helmig, R. (1999a). Numerical simulation of biodegradation controlled by transverse mixing. 40(2). https://doi.org/10.1016/S0169-7722(99)00044-3
    139. Cirpka, O. A., Helmig, R., & Frind, E. O. (1999). Numerical methods for reactive transport on rectangular and streamline-oriented grids. 22(7). https://doi.org/10.1016/S0309-1708(98)00051-7
    140. Helmig, Rainer, & Huber, R. U. (1998b). Comparison of Galerkin-type discretization techniques for two-phase flow in heterogeneous porous media. 21(8). https://doi.org/10.1016/S0309-1708(97)00023-7
    141. Helmig, Rainer, Class, H., Färber, A., & Emmert, M. (1998). Heat transport in the unsaturated zone - comparison of experimental results and numerical simulations. 36(6).
    142. Helmig, Rainer, Bastian, P., Class, H., Ewing, J., Hinkelmann, R., Huber, R. U., … Sheta, H. (1998). Architecture of the Modular Program System MUFTE-UG for Simulating Multiphase Flow and Transport Processes in Heterogeneous Porous Media. 2. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/Geoscien.zip
    143. Helmig, Rainer, & Bastian, P. (1998). Fully-Coupled Solution Techniques for Two Phase Flow in Porous Media. Comparison and Verification.
    144. Cirpka, O. A., Frind, E. O., & Helmig, R. (1998). Streamline-Oriented Grid-Generation of Transport Modelling in Two-Dimensional Domains Including Wells.
    145. Helmig, Rainer, & Zielke, W. (1996). Finite Elemente Simulation von Mehrphasenvorgängen im klüftigen Gestein. 1.
    146. Helmig, Rainer, & Wittum, G. (1995). Vom Grundwassermodell zur Ökosystemmodellierung - Perspektiven der numerischen Hydromechanik-. 6.
    147. Helmig, Rainer, & Braun, C. (1995). Simulation of Two-Phase Flow in Discrete Fracture Systems.
    148. Helmig, Rainer. (1994b). Modelling of Multiphase Flow in Fractured Rock.
  2. book

    1. Helmig, Rainer, & Class, H. (2005). Grundlagen der Hydromechanik. Shaker Verlag.
    2. Dietrich, P., Helmig, R., Sauter, M., Hötzl, H., Köngeter, J., & Teutsch, G. (2005). Flow and transport in fractured porous media. Springer-Verlag.
    3. Helmig, Rainer. (1997b). Multiphase Flow and Transport Processes in the Subsurface: A Contribution to the Modeling of Hydrosystems. Springer-Verlag.
    4. Helmig, Rainer. (1996). Einführung in die Numerischen Methoden der Hydromechanik (Vol. 86). Eigenverlag des Instituts für Wasserbau, Universität Stuttgart.
  3. incollection

    1. Schneider, M., Gläser, D., Flemisch, B., & Helmig, R. (2017). Nonlinear finite-volume scheme for complex flow processes on corner-point grids. In Finite Volumes for Complex Applications VIII - Hyperbolic, Elliptic and Parabolic Problems: FVCA 8, 12.06.2017 - 16.06.2017, Lille. Finite Volumes for Complex Applications VIII - Hyperbolic, Elliptic and Parabolic Problems: FVCA 8, 12.06.2017 - 16.06.2017, Lille. Retrieved from https://link.springer.com/chapter/10.1007/978-3-319-57394-6_44
    2. Ehlers, W., Helmig, R., & Rohde, C. (2014). Journal of Applied Mathematics and Mechanics, Special Issue: Deformation and transport phenomena in porous media,. In Journal of Applied Mathematics and Mechanics / Zeitschrift Für Angewandte Mathematik Und Mechanik: Vol. Vol.94/07_08. Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik.
    3. Wolff, M., Cao, Y., Flemisch, B., Helmig, R., & Wohlmuth, B. I. (2013). Multi-point flux approximation L-method in 3D: Numerical convergence and application to two-phase flow through porous media (By P Bastian, J. Kraus, & M. Scheichl, R. & Wheeler; P Bastian, J. Kraus, & M. Scheichl, R. & Wheeler, Eds.). Retrieved from https://www.degruyter.com/view/product/182024
    4. Troldborg, M., Nowak, W., Binning, P. J., Bjerg, P. L., & Helmig, R. (2010). Uncertainty estimation of the mass discharge from a contaminated site using a fully Bayesian framework. In M. Schirmer & et al. (Eds.), Groundwater Quality 2010, 13.06.2010 - 18.06.2010, Zürich, Schweiz (By M. Schirmer & et al.). IAHS Redbook.
    5. Helmig, Rainer, Niessner, J., Flemisch, B., Wolff, M., & Fritz, J. (2010). Efficient modelling of flow and transport in porous media using multi-physics and multi-scale approaches. In W. Freeden, Z. Nashed, & and T. Sonar (Eds.), Handbook of Geomathematics (By W. Freeden, Z. Nashed, & and T. Sonar). Retrieved from https://www.springer.com/mathematics/applications/book/978-3-642-01545-8
    6. Eichel, H., Helmig, R., Neuweiler, I., & Cirpka, O. A. (2005). Upscaling of Two-Phase Flow Processes in Porous Media. In D. B. & S. M. H. Das (Ed.), Upscaling Multiphase Flow in Porous Media (By D. B. & S. M. H. Das). Springer-Verlag.
    7. Hinkelmann, R., & Helmig, R. (2004). Mehrphasenmodelle für die ungesättigte Bodenzone - neue Modellierungsansätze in der Hydrologie. In Tag Der Hydrologie 2004: Wasser- Und Stofftransport in Heterogenen Einzugsgebieten. Tag der Hydrologie 2004: Wasser- und Stofftransport in heterogenen Einzugsgebieten. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/HinkHel_TagHyd_2004.pdf
    8. Helmig, Rainer, Hinkelmann, R., Class, H., Breiting, T., Kobayashi, K., Bielinski, A., & Sheta, H. (2003). Modellierung des Ausbreitungsverhaltens umwelt- und klimagefährdender Gase im Untergrund. In Simulation Und Visualisierung an Der Universität Stuttgart, Universität Stuttgart. Simulation und Visualisierung an der Universität Stuttgart, Universität Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/simulation_uni.pdf
    9. Ölmann, U., Hinkelmann, R., & Helmig, R. (2002). Parallel Two-Phase Flow Simulations in Porous Media. In E. & W. J. Krause (Ed.), High Performance Computing in Science and Engineering ’02 (By E. & W. J. Krause). Springer-Verlag.
    10. Hinkelmann, R., & Helmig, R. (2002). Numerical Modelling of Transport Processes in the Subsurface. In G. Wefer, D. Billett, D. Hebbelen, B. Jorgensen, & M. & T. van W. Schlüter (Eds.), Ocean Margin Systems (By G. Wefer, D. Billett, D. Hebbelen, B. Jorgensen, & M. & T. van W. Schlüter). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/OMS_HinHel.zip
    11. Hinkelmann, R., Sheta, H., Class, H., Sauter, E. J., Helmig, R., & Schlüter, M. (2002). Numerical Simulation of freshwater, salt water and methane interaction processes in a coastal aquifer. In J. Chadam, A. Cunningham, R. E. Ewing, & P. & M. W. Ortoleva (Eds.), IMA Volumes in Mathematics and its Applications, Volume 131: Resource Recovery, Confinement and Remediation of Environmental Hazards (By J. Chadam, A. Cunningham, R. E. Ewing, & P. & M. W. Ortoleva). Springer-Verlag.
    12. Witte, B., Hinkelmann, R., & Helmig, R. (2002). Development of a Parallel FVM Based Groundwater Flow Model. In M. Breuer & F. & C. Z. Durst (Eds.), 3. International FORTWIHR Conference on High Performance Scientific and Engineering Computing (HPSEC), 12.03.2001 - 14.03.2001, Erlangen (By M. Breuer & F. & C. Z. Durst). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/04.ps.gz
    13. Helmig, Rainer, Class, H., & Hinkelmann, R. (2001). Isothermal and Nonisothermal Multiphase Multicomponent Processes in the Subsurface. In S. Diebels (Ed.), Zur Beschreibung komplexen Materialverhaltens: Beiträge zur Festschrift anläßlich des 50. Geburtstag von Herrn Prof. Dr.-Ing. W. Ehlers (By S. Diebels). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/main.ps.gz
    14. Hinkelmann, R., Sheta, H., Helmig, R., Sauter, E. J., & Schlüter, M. (2000). Numerical Simulation of Water-Gas Flow and Transport Processes in Coastal Aquifers. In K. & Y. I. Sato (Ed.), Groundwater Updates (By K. & Y. I. Sato). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/saitama.ps.gz
    15. Hinkelmann, R., Sheta, H., Class, H., & Helmig, R. (2000). A Comparison of Different Model Concepts for Salt Water Intrusion Processes. In F. Stauffer, W. Kinzelbach, & K. & E. H. Kovar (Eds.), ModelCARE 99: International Conference on Calibration and Reliability in Groundwater Modeling - Coping with uncertainty, 20.09.1999 - 23.09.1999, ETH Zurich, Switzerland (By F. Stauffer, W. Kinzelbach, & K. & E. H. Kovar). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/mc.ps.gz
  4. inproceedings

    1. Fetzer, T., Grüninger, C., Flemisch, B., & Helmig, R. (2017). On the Conditions for Coupling Free Flow and Porous Medium Flow in a Finite Volume Framework. Finite Volumes for Complex Applications VIII - Hyperbolic, Elliptic and Parabolic Problems: FVCA 8, 12.06.2017 - 16.06.2017, Lille. https://doi.org/10.1007/978-3-319-57394-6_37
    2. Hommel, J., Phillips, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2017). Modeling porous medium modification through induced calcite precipitation. 7th GACM Colloquium on Computational Mechanics , 11.10.2017 - 13.10.2017, Stuttgart. Retrieved from https://dx.doi.org/10.18419/opus-9334
    3. Mejri, E., Jambhekar, V. A., Helmig, R., & Rachida, B. (2015). A reactive transport model for the co-precipitation of Halite and Gypsum under evaporation from porous media. 6th International Conference on Approximation Methods and Numerical Modelling in Environment and Natural Resources MAMERN Conference », University of Pau, France. Presented at the Mamern VI 2015, Pau, France.
    4. Köppl, T., Helmig, R., & Wohlmuth, B. I. (2015). A multi-scale model for mass transport in arteries and tissue. 3rd International Workshop on Computational Engineering CE 2014, 06.10.2014 - 10.10.2014, Universität Stuttgart. Springer-Verlag.
    5. Richter, T., Rudlof, S., Adjibadji, B., Bernlöhr, H., Grüninger, C., Munz, C.-D., … Helmig, R. (2012). ViPLab - A Virtual Programming Laboratory for Mathematics and Engineering. 2011 IEEE International Symposium on Multimedia (ISM), 05.12.2011 - 07.12.2011, Dana Point, California USA.
    6. Kissinger, A., Helmig, R., & Ebigbo, A. (2012). Modellierung des Transports von Frack-Fluiden, Lagerstättenwasser und Methan. In W. Frenz & P. K. andAxel Preuße (Eds.), 14. Aachener Altlasten- und Bergschadenkundliches Kolloquium: Unkonventionelle Gasgewinnung in NRW, 03.07.2012, Aachen (By W. Frenz & P. K. andAxel Preuße). GDMB Gesellschaft.
    7. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011c). Data-driven framework for history matching: application to carbon dioxide storage in geological formations. European Geosciences Union (EGU) - General Assembly, 03.04.2011 - 08.04.2011, Vienna, Austria, Vol.13(EGU2011-11).
    8. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2010a). Data-driven robust design and probabilistic risk assessment: application to underground carbon dioxide storage, Abstract H41L-03. AGU Fall Meeting 2010, 13.12.2010 - 17.12.2010, San Francisco, USA.
    9. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2010b). Probabilistic risk assessment for CO2 storage in geological formations: robust design and support for decision making under uncertainty. Geophysical Research Abstracts, Vol.12(EGU2010-3559). E. Schweizerbart’sche Verlagsbuchhandlung.
    10. Enzenhöfer, R., Nowak, W., & Helmig, R. (2010). Using probabilistic well vulnerability criteria for a risk-based preventive drinking water safety concept. In M. Schirmer & et al. (Eds.), Groundwater Quality 2010, 13.06.2010 - 18.06.2010, Zürich, Schweiz (By M. Schirmer & et al.). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/S84REnzenhofer_review.pdf
    11. Enzenhöfer, R., Helmig, R., Nowak, W., & Binning, P. J. (2010). Uncertainty in Model parameter Estimates and Impacts on Risk and Decision Making in the Subsurface, Abstract H42D-05. AGU Fall Meeting 2010, 13.12.2010 - 17.12.2010, San Francisco, USA.
    12. Troldborg, M., Nowak, W., Binning, P. J., Bjerg, P. L., & Helmig, R. (2009). Quantifying uncertainty in mass discharge estimates from contaminated sites using a fully Bayesian framework. ModelCARE: Calibration and Reliability in Groundwater Modeling - Managing Groundwater and the Environment, 20.09.2009 - 23.09.2009, Wuhan, China.
    13. Helmig, Rainer, Class, H., Darcis, M., Niessner, J., Erbertseder, K., Perfahl, H., & Reuss, M. (2008). Transfer of modeling concepts for flow and transport processes in porous media systems to biological tissues. DFG Expertengespräch Medizintechnik, 06.11.2008 - 07.11.2008, Potsdam.
    14. Cao, Y., Helmig, R., & Wohlmuth, B. I. (2008). The influence of the boundary discretization on the multipoint flux approximation L-method. In R. Eymard & J. M. Hérard (Eds.), Finite Volumes for Complex Applications V - Problems and Perspectives, 08.06.2008 - 13.06.2008, Aussois (By R. Eymard & J. M. Hérard). Wiley - VCH Verlag.
    15. Kopp, A., Probst, P., Class, H., Hurter, S., & Helmig, R. (2008). Estimation of CO2 Storage Capacity Coefficients in Geologic Formations. 9th International Conference on Greenhouse Gas Control Technologies (GHGT9), 16.11.2008 - 20.11.2008, Washington DC, USA.
    16. Helmig, Rainer, Darcis, M., & Class, H. (2008). Transfer of modeling concepts for flow and transport processes in porous media from subsurface systems to biological tissues. ASME International Mechanical Engineering Congress and Exposition, 31.10.2008 - 06.11.2008, Boston, 12(WOS:000265081000004). Thema Umwelt - Praktischer Umweltschutz Schweiz.
    17. Flemisch, B., & Helmig, R. (2008). Numerical investigation of a mimetic finite difference method. In R. Eymard & J. M. Hérard (Eds.), Finite volumes for complex applications V - problems and perspectives, 08.06.2008 - 13.06.2008, Aussois, France (By R. Eymard & J. M. Hérard). Retrieved from https://www.iste.co.uk/index.php?p=a&ACTION=View&id=220
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    84. Helmig, Rainer, Emmert, M., & Sheta, H. (1995). Modelling of Multiphase Flow Processes in Heterogeneous Porous Media and Applications. In P. J. & H. W. Pahl (Ed.), Computing in Civil and Building Engineering (By P. J. & H. W. Pahl). A.A. Balkema Publishers.
    85. Croisé, J., Helmig, R., & Sheta, H. (1995a). Numerical Simulation of NAPL-infiltration and redistribution processes in unsaturated heterogeneous porous media, Groundwater Quality: Remediation and Protection (GQ 95). IAHS Publication, 225.
    86. Helmig, Rainer. (1995a). Hydraulische Modellierung: analytische Verfahren und numerische Simulation der Grundwasserströmung und des Stofftransportes. DGG-Seminar Hydrologie Und Geophysik, (SonderbandIII). Deutsche Geophysikalische Gesellschaft e.V.
    87. Lang, U., & Helmig, R. (1995). Numerical Modelling in Fractured Media - Identification of Measured Field Data. IAHS-Symposium on Groundwater Quality: Remediation and Protection, (GQ´95), (255). Ground Water.
    88. Helmig, Rainer. (1995b). Mathematical Modeling and Simulation of Multiphase Processes in Heterogeneous Media with a Finite Element Method. 3. SIAM Conference on Mathematical and Computational Issues in the Geosciences, 08.02.1995 - 10.02.1995, San Antonio, USA.
    89. Croisé, J., Helmig, R., Le Thiez, P., & Schäfer, G. (1995). Multiphase flow in porous media: Comparison of numerical simulators. 12. Congrès Français de Mécanique, 04.09.1995 - 08.09.1995, Strasbourg, France.
    90. Betz, C., Emmert, M., Färber, A., Helmig, R., Kaleris, V., & Kobus, H. (1995). Soil Remediation by Heat Injection: Experiments and Numerical Modelling. TOUGH Workshop Berkeley.
    91. Helmig, Rainer, Kobus, H., & Braun, C. (1994). Simulation and Interpretation of Multiphase Processes in Porous and Fractured-Porous Media. In A. Peters & others (Eds.), Numerical Methods in Water Resources (By A. Peters & others). Kluver Academic Publisher.
    92. Cirpka, O. A., & Helmig, R. (1994). Numerical Simulation of Contaminant Transport and Biodegradation in Porous and Fractured-Porous Media. In A. Peters & others (Eds.), Numerical Methods in Water Resources (By A. Peters & others). Kluver Academic Publisher.
    93. Helmig, Rainer. (1994a). Modelling of Multiphase Flow in Discrete Fracture Systems with the Finite Element Method. In F. Dracos & Stauffer (Ed.), International Symposium on Transport and Reactive Processes in Aquifers (By F. Dracos & Stauffer). A.A. Balkema Publishers.
    94. Helmig, Rainer, Braun, C., & Emmert, M. (1994b). The Application of the Finite Element Method for Modelling Multiphase Flow in Fractured-Porous Media. Journées Numérique de Besançon. Longman Group UK Limited.
    95. Shao, H., Helmig, R., & Zielke, W. (1994). Simulation of Flow and Transport in Fractured-Porous Media with Coupling from FEM and BEM. In A. Peters & others (Eds.), Numerical Methods in Water Resources (By A. Peters & others). Kluver Academic Publisher.
    96. Zielke, W., Helmig, R., Kröhn, K. P., Shao, H., & Wollrath, J. (1991). Discrete Modelling of Transport Processes in Fractured Porous Rock. International Congress on Rock Mechanics.
    97. Zielke, W., & Helmig, R. (1991). Grundwasserströmung und Schadstofftransport. FE-Methoden für klüftiges Gestein. Wissenschaftliche Tagung “‘Finite Elemente -Anwendungen in Der Baupraxis.’” Verlag Ernst & Sohn.
    98. Helmig, Rainer, Kröhn, K. P., & Zielke, W. (1991). Methoden zur Modellierung von Strömungs- und Transportprozessen in Felsaquiferen. 6. Wissenschaftliche Tagung Hydrologie Und Wasserwirtschaft, 18.03.1991 - 20.03.1991, Universität Trier.
  5. phdthesis

    1. Helmig, Rainer. (1997a). Gekoppelte Strömungs- und Transportprozesse im Untergrund: Ein Beitrag zur Hydrosystemmodellierung (PhD dissertation; Vol. 91). Universität Stuttgart, Institut für Wasserbau.
    2. Helmig, Rainer. (1993). Theorie und Numerik der Mehrphasenströmungen in geklüftet-porösen Medien (PhD dissertation). Universität Hannover, Institut für Strömungsmechanik und Elektronisches Rechnen im Bauwesen.
  6. techreport

    1. Grüninger, C., Fetzer, T., Flemisch, B., & Helmig, R. (2017). Coupling DuMuX and DUNE-PDELab to investigate evaporation at the interface between Darcy and Navier-Stokes flow. In Archive of Numerical Software (No. 2017–1). https://doi.org/10.18419/opus-9360
    2. Ebigbo, A., Phillips, A., Gerlach, R., Helmig, R., Cunningham, A. B., Class, H., & Spangler, L. H. (2012). Darcy-scale modeling of microbially induced carbonate mineral precipitation in sand columns. In Water Resources Research (No. W07519). https://doi.org/10.1029/2011WR011714
    3. Ebigbo, A., Class, H., & Helmig, R. (2008). Numerische Untersuchung zur CO2 Sequestrierung in geologischen Formationen - problemorientierte Benchmarks (No. 10_2008; Vol. LH218).
    4. Helmig, Rainer, Paul, M., Zimmer, S., Brückner-Nieder, U., Hoffmann, M., Schumacher, H., & Lemmer, U. (2007). Abschlussbericht zum Projekt SULKA “Qualitätskonzept für internationale Studiengänge an den Universitäten Stuttgart, Ulm und Karlsruhe” (No. 16/2007; Vol. LH217).
    5. Dogan, M. O., Class, H., & Helmig, R. (2007). Numerische Modellierung von Mehrphasenströmungs- und Transportprozessen bei der Sequestrierung von CO2 in geologischen Formationen (No. 09_2007; Vol. LH215). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/co2trap_wissenschaftlicher_bericht.pdf
    6. Kopp, A., Class, H., & Helmig, R. (2007). Treibhausgase in der Bodenfalle (No. 99). Retrieved from UNI-Kurier website: https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/Stuttgarter-UniKurier-Nr99-pg54-Juni2007-Treibhausgase_in_der_Bodenfalle.pdf
    7. Paul, M., Helmig, R., Hoffmann, M., Brückner-Nieder, U., & Zimmer, S. (2006). Zwischenbericht zum Projekt SULKA “Qualitätskonzept für internationale Studiengänge an den Universitäten Stuttgart, Ulm und Karlsruhe” (No. 02_2006; Vol. LH212).
    8. Niessner, J., & Helmig, R. (2006c). Multi-scale modeling of two-phase - two-component processes in heterogeneous porous media (No. 2006/02).
    9. Helmig, Rainer, Class, H., Ölmann, U., & Niessner, J. (2006). Multiphase Processes in Porous Media. In Rainer Helmig & B. Mielke, Alexanderand Wohlmuth (Eds.), Multifield Problems in Solid and Fluid Mechanics (No. 28). Springer-Verlag.
    10. Assteerawatt, A., Bastian, P., Bielinski, A., Breiting, T., Class, H., Ebigbo, A., … Ölmann, U. (2005). MUFTE-UG: Structure, Applications andNumerical Methods. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/IGWMC_newsletter_MUFTE.pdf
    11. Kopp, A., Sheta, H., & Helmig, R. (2005). Parameterstudie zur Abschätzung erzielbarer Methangasmengen aus Gasproduktionsbohrungen mit Hilfe zweidimensionaler Strömungsmodellierung (No. 2005/10; Vol. LH207).
    12. Reichenberger, V., Jakobs, H., Bastian, P., Helmig, R., & Niessner, J. (2004). Complex Gas-Water Processes in Discrete Fracture-Matrix Systems. Upscaling, Mass-Conservative Discretization and Efficient Multilevel Solution and Efficient Multilevel Solution (Vol. 130).
    13. Sheta, H., Breiting, T., Hinkelmann, R., & Helmig, R. (2004). Dreidimensionale Modellierung von Methanmigrationsprozessen im Untergrund (No. 2004/03; Vol. LH202).
    14. Breiting, T., Sheta, H., Kobayashi, K., Hinkelmann, R., & Helmig, R. (2004). Assessment of hazardous gas emission to the surface over former mined areas (No. 2004/11; Vol. LH203).
    15. Neunhäuserer, L., Gebauer, S., Ochs, S. O., Hinkelmann, R., Kornhuber, R., & Helmig, R. (2004). Mehrgittermethoden und adaptive Euler-Lagrange-Verfahren zur Simulation von Strömungs- und Transportvorgängen in Kluftaquifersystemen. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/bericht_dfg_04.pdf
    16. Reichenberger, V., Jakobs, H., Bastian, P., & Helmig, R. (2004). A mixed-dimensional finite volume method for multiphase flow in fractured porous media (No. 2004–19). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/Preprint2004-19.pdf
    17. Niessner, J., Roberts, J., & Helmig, R. (2003). Influence of an Interface Condition and Exact Linearization in the Newton Iterations for Two-Phase Flow in Heterogeneous Porous Media (No. RR-4903). Retrieved from https://www.inria.fr/rrrt/rr-4903.html
    18. Ochs, S. O., Hinkelmann, R., & Helmig, R. (2003). Numerische Simulation von Gaspumpversuchen im Untergrund.
    19. Helmig, Rainer, & Hinkelmann, R. (2003). Plausibilitätsprüfung zur Modellstudie Elbe.
    20. Hazra, S. B., Class, H., Helmig, R., & Schulz, V. (2002). Forward and Inverse Problems in Modeling of Multiphase Flow and Transport Through Porous Media (No. 02_2002).
    21. Akuzun, S., Kobus, H., & Helmig, R. (2001). Parameteridentifikation für Doppelkontinuum-Modelle: Interpretation von Aquifertests in Karstaquiferen anhand synthetischer lokaler Kluftmmodelle (No. 2001/06; Vol. HG281).
    22. Kaleris, V., Lagas, G., Sheta, H., Hinkelmann, R., & Helmig, R. (2001). Task8: Groundwater Flow Modelling. Retrieved from http://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/Finalreport_01.zip
    23. Neunhäuserer, L., Gebauer, S., Ochs, S. O., Hinkelmann, R., Kornhuber, R., & Helmig, R. (2001). Mehrgittermethoden und adaptive Euler-Lagrange-Verfahren zur Simulation von Strömungs- und Transportvorgängen in Kluftaquifersystemen (No. Hi640/1-1undKo1806/2-1). Retrieved from http://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/bericht01.ps.gz
    24. Kaleris, V., Lagas, G., Stroskidu, V., Sheta, H., Hinkelmann, R., & Helmig, R. (2000). Task8: Groundwater Flow Modelling. Retrieved from http://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/TASK8_AR1999.zip
    25. Neunhäuserer, L., Hemminger, A., & Helmig, R. (2000). Festgestein-Aquiferanalog: Experimente und Modellierung, Teilprojekt 3: Einsatz von diskreten Modellansätzen (No. He2531/1-2,He2531/1-3).
    26. Breiting, T., Hinkelmann, R., & Helmig, R. (2000b). Modellierung und Analyse von Mehrphasenprozessen zur Simulation von Methanausgasung im Untergrund. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/dmt_01.ps.gz
    27. Helmig, Rainer, Bastian, P., Jakobs, H., & Reichenberger, V. (2000). Multiphase Multicomponent Processes in Fractured Porous Media. In BMWi - BmBF - Unterauftrag zum Vorhaben 02 E 9027 8.
    28. Kaleris, V., Sachinis, G., Sheta, H., Hinkelmann, R., & Helmig, R. (1999). Task8: Groundwater Flow Modelling. Retrieved from http://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/Task8_99.zip
    29. Sheta, H., Class, H., & Helmig, R. (1998). Numerische Simulation von isothermen/ nichtisothermen Mehrphasenströmungen unter Berücksichtigung der Veränderung der Fluideigenschaften. In PWAB-Statuskolloquium, 17.03.1998 - 18.03.1998, Karlsruhe.
    30. Helmig, Rainer, Färber, A., Class, H., & Emmert, M. (1998). Heat Transport in the Unsaturated Zone - Comparison of Experimental Results and Numerical Simulations (No. 3).
    31. Nanou-Giannarou, K., & Helmig, R. (1998). Simulation of 3D-Groundwater Flow with Free Surface (No. 4). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/bericht4.zip
    32. Neunhäuserer, L., Hemminger, A., & Helmig, R. (1997). Festgestein-Aquiferanalog: Experimente und Modellierung, Teilprojekt 3: Einsatz von diskreten Modellansätzen (No. 1,He2531/1-1).
    33. Huber, R. U., & Helmig, R. (1997). Investigation and Simulation of Three-Phase Flow in Porous Media (No. 2). Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/helmig/bericht2.ps.gz
    34. Helmig, Rainer, & Bastian, P. (1997). Fully-Coupled Solution Techniques for Two Phase Flow in Porous Media. Comparison and Verification.
    35. Emmert, M., Class, H., & Helmig, R. (1997). Numerische Simulation von isothermen/nichtisothermen Mehrphasenprozessen unter Berücksichtigung der Veränderung der Fluideigenschaften (modular aufgebautes Modellsystem) (No. 1997/16; Vol. HG249).
    36. Cirpka, O. A., Helmig, R., & Frind, E. O. (1997). Numerical Methods for Reactive Transport on Rectangular and Streamline-Oriented Grids.
    37. Brevdo, L., Helmig, R., & Kirchgässner, K. (1997). Permanent Fronts in Two-Phase Flows in a Porous Medium.
    38. Huber, R. U., & Helmig, R. (1996). Multiphase Flow in Heterogeneous Porous Media: a Classical Finite Element Method Versus an IMPES-Based Mixed FE/FV Approach.
    39. Lang, U., Rademacher, S., Helmig, R., & Kobus, H. (1996). Parameteridentifikation für Doppelkontinuums-Modelle - Interpretation von Grundwasserständen in Karstaquiferen anhand synthetischer lokaler Kluftmodelle (No. 1996/06; Vol. HG228).
    40. Bastian, P., Helmig, R., Huber, R. U., & Braun, C. (1996). Modelling and efficient solution technique for multiphase flow in porous media.
    41. Helmig, Rainer, & Huber, R. U. (1996). Comparison of Galerkin-Type Discretization Techniques for Two-Phase Flow in Heterogeneous Porous Media (No. 96/11).
    42. Emmert, M., Bächle, W., & Helmig, R. (1996). Numerische Simulation von isothermen / nichtisothermen Mehrphasenprozessen unter Berücksichtigung der Veränderung der Fluideigenschaften (modular aufgebautes Modellsystem) (No. 1996/05; Vol. HG227).
    43. Emmert, M., & Helmig, R. (1995). Numerische Simulation von iso-thermen-/nicht-isothermen Mehrphasenprozessen unter Berücksichtigung der Veränderung der Fluid-eigenschaften (modular aufgebautes Modellsystem) (No. 1995/07; Vol. HG216).
    44. Emmert, M., Pruess, K., & Helmig, R. (1995). Preliminary Studies of Thermally Enhanced Soil Vapor Extraction (No. DE-AC-03-76SF00098).
    45. Croisé, J., Helmig, R., & Sheta, H. (1995b). Numerische Modellierung von NAPL-Infiltrations-vorgängen in Lockergesteinen (No. 1995/01; Vol. HG214).
    46. Braun, C., Helmig, R., & Kobus, H. (1994b). Untersuchung zur Grundwassergefährdung durch die Erweiterung der Kläranlage Tübingen (No. 1994/08; Vol. HG199).
    47. Braun, C., Helmig, R., Kobus, H., & Sheta, H. (1994). Untersuchung zu den Auswirkungen der Erhöhung der Förderleistung der Trinkwasserbrunnen im unteren Neckertal (No. 1994/09; Vol. HG200).
    48. Helmig, Rainer, Braun, C., & Emmert, M. (1994a). MUFTE - A Numerical Model for Simulation of Multiphase Flow Processes in Porous and Fractured-Porous Media (No. 1994/20; Vol. HG208).
    49. Braun, C., Helmig, R., & Kobus, H. (1994a). Grundwassermodell “Rheintal”,zusätzliche Untersuchungen (No. 1994/18; Vol. HG207).
    50. Helmig, Rainer, Moritz, L., & Zielke, W. (1993). Aufbereitung der empirischen Ansätze zur Beschreibung des Kapillardruck-Sättigungs- und des relativen-Permeabilitäts-Sättigungs-Verhaltens in geklüftet-porösen Medien.
    51. Helmig, Rainer, & Meyer, U. (1993). Programmbeschreibung ROCKFLOW-SM2-FO, Strömungsmodell für inkompressible Fluide zur Beschreibung freier und gespannter Verhältnisse (1-D und 2-D) (No. 1993/22; Vol. HG185).
    52. Helmig, Rainer, & Zielke, W. (1991). Mehrphasenprozesse in geklüftet-porösen Medien - Stand der Forschung.

Poster

  1. Lipp, M., & Helmig, R. (2019, March). A locally refined quadtree finite-volume staggered-grid scheme. SFB 1313 Doctoral Workshop, Blaubeuren. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2019/2019_Lipp_Poster_a_locally.pdf
  2. Lipp, M., Helmig, R., Weishaupt, K., & Schneider, M. (2018b, June). Adaptive Staggered 2D Grids for DuMuX - Plans/Ideas. Summer School on DDM, 19.06.2018 - 21.06.2018, Nice, France. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2017/Plakat_NUPUS2017_MelanieLipp.pdf
  3. Lipp, M., Helmig, R., Weishaupt, K., & Schneider, M. (2018a, March). Adaptive Staggered 2D Grids for DuMuX - Plans/Ideas. 2nd International Conference on Simulation Technology (SimTech 2018), 26.03.2018 - 28.03.2018, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2017/Plakat_NUPUS2017_MelanieLipp.pdf
  4. Hommel, J., Phillips, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2018a, March). Modeling field-scale applications of microbially induced calcium carbonate precipitation. 2nd International Conference on Simulation Technology (SimTech 2018), 26.03.2018 - 28.03.2018, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2018/SimTech2018Poster.pdf
  5. Helmig, R., Coltman, E., Fetzer, T., & Heck, K. (2018, July). Coupling free and porous-media flow. Gordon Research Conference on Flow and Transport in Permeable Media, 08.07.2018 - 13.07.2018, Newry, ME, USA.
  6. Illangasekare, T., Trautz, A., Howington, S., Rodriguez-Iturbe, I., Cihan, A., & Helmig, R. (2018, July). Question of test scales in intermediate scale experimentation in problems involving porous media - free flow interfaces. Gordon Research Conference on Flow and Transport in Permeable Media, 08.07.2018 - 13.07.2018, Newry, ME, USA.
  7. Hommel, J., Phillips, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2018b, June). Modeling field-scale applications of microbially induced calcium carbonate precipitation. Computational Methods in Water Resources (CMWR) XXII, 04.06.2018 - 07.06.2018, St. Malo, Frankreich. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2018/CMWR2018Poster.pdf
  8. Lipp, M., Helmig, R., Weishaupt, K., & Schneider, M. (2017, October). Adaptive Staggered 2D Grids for DuMuX - Plans/Ideas. 2nd SRP NUPUS Meeting, 09.10.2017 - 11.10.2017, Mühlhausen Im Täle. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2017/Plakat_NUPUS2017_MelanieLipp.pdf
  9. Becker, B., Guo, B., Bandilla, K., Celia, M. A., Flemisch, B., & Helmig, R. (2017a, September). A pseudo-vertical equilibrium model for slow gravity drainage dynamics. SIAM GS17 Erlangen, 11.09.2017 - 14.09.2017, Erlangen. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2018/2017Siam_Beatrix.pdf
  10. Becker, B., Guo, B., Bandilla, K., Celia, M. A., Flemisch, B., & Helmig, R. (2017b, October). A pseudo-vertical equilibrium model for slow gravity drainage dynamics. SimTech Statusseminar, 04.10.2017 - 06.10.2017, Bad Boll. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2018/2017SimTech_Beatrix.pdf
  11. Köppl, T., Schneider, M., & Helmig, R. (2017, September). Stability of saturation overshoots for two-phase flow in porous media. SIAM GS17 Erlangen, 11.09.2017 - 14.09.2017, Erlangen. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2017/Poster_Tobias_Koeppl_SIAMGS_17_Erlangen.pdf
  12. Fetzer, T., Grüninger, C., Flemisch, B., & Helmig, R. (2017, June). On the Conditions for Coupling Free Flow and Porous-Medium Flow in a Finite Volume Framework. Finite Volumes for Complex Applications VIII - Hyperbolic, Elliptic and Parabolic Problems: FVCA 8, 12.06.2017 - 16.06.2017, Lille.
  13. Seitz, G., Helmig, R., & Class, H. (2017, May). Numerical Model of a Ca(OH)2 / CaO thermochemical heat storage reactor. 9th International Conference on Porous Media & Annual Meeting - InterPore 2017, 08.05.2017 - 11.05.2017, Rotterdam, The Netherlands. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2017/Seitz_IWS_Interpore2017.pdf
  14. Becker, B., Guo, B., Bandilla, K., Celia, M. A., Flemisch, B., & Helmig, R. (2016a, August). Adaptive Coupling of a Full-Dimensional Model with a Vertical Equilibrium Model. Gordon Research Conference on Flow and Transport in Permeable Media, 01.08.2016 - 05.08.2016, Girona, Spanien. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2016/2016_Gordon_Beatrix.pdf
  15. Becker, B., Guo, B., Bandilla, K., Celia, M. A., Flemisch, B., & Helmig, R. (2016b, November). Adaptive Coupling of a Full-Dimensional Model with a Vertical Equilibrium Model. SimTech Statusseminar, 23.11.2016 - 25.11.2016, Bad Boll. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2017/2016_SimTechStatusSeminar_Beatrix.pdf
  16. Hommel, J., Ebigbo, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2016d, October). Finding a balance between accuracy and computational effort for modeling biomineralization. 1st SRP NUPUS Meeting, 05.10.2016 - 07.10.2016, Mühlhausen Im Täle. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2016/Hommel_NUPUS_Poster_2016.pdf
  17. Hommel, J., Ebigbo, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2016b, July). Finding a balance between accuracy and effort for modeling biomineralization. Gordon Research Seminar on Flow and Transport in Permeable Media, 30.07.2016 - 31.07.2016, Girona, Spanien. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2016/Gordon_Hommel_2016.pdf
  18. Fetzer, T., Grüninger, C., Smits, K. M., & Helmig, R. (2016, August). How turbulence and surface properties affect porous-medium / free flow exchange processes. Gordon Research Conference on Flow and Transport in Permeable Media, 01.08.2016 - 05.08.2016, Girona, Spanien. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2016/gordonConferenceFetzer2016.pdf
  19. Hommel, J., Ebigbo, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2016c, August). Finding a balance between accuracy and effort for modeling biomineralization. Gordon Research Conference on Flow and Transport in Permeable Media, 01.08.2016 - 05.08.2016, Girona, Spanien. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2016/Gordon_Hommel_2016.pdf
  20. Hommel, J., Ebigbo, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2016a, April). Finding a balance between accuracy and computational effort for modeling biomineralization. EGU General Assembly 2016, 18.04.2016 - 22.04.2016, Vienna, Austria. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2016/EGU_Hommel_2016.pdf
  21. Becker, B., Guo, B., Celia, M. A., Bandilla, K., Flemisch, B., & Helmig, R. (2015, December). Evaluation of the coupling of a full-dimensional multiphase model to a vertical equilibrium model. 2015 AGU Fall Meeting, 14.12.2015 - 18.12.2015, San Francisco, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/2015_AGU_Beatrixcompressed.pdf
  22. Becker, B., Guo, B., Flemisch, B., & Helmig, R. (2015, May). Developing a coupled numerical model for underground gas storage. SCCER Heat & Electricity Storage Symposium, 05.05.2015, Villigen-PSI Switzerland. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/2015_SCCER_Beatrix-compressed.pdf
  23. Fetzer, T., Smits, K. M., Vanderborght, J., & Helmig, R. (2015, September). Modeling Evaporation Using Coupled RANS/Darcy Models. NUPUS Annual Meeting 2015 , 08.09.2015 - 12.09.2015, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/nupusMeetingFetzer.pdf
  24. Schröder, N., Flemisch, B., Koch, T., Vanderborght, J., & Helmig, R. (2015, September). Soil-Root Interaction Simulation with DuMux. NUPUS Annual Meeting 2015 , 08.09.2015 - 12.09.2015, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/NUPUS2015Schroeder.pdf
  25. Hommel, J., Ebigbo, A., Gerlach, R., Cunningham, A. B., Helmig, R., & Class, H. (2015, September). Finding a balance between accuracy and effort for modeling biomineralization. NUPUS Annual Meeting 2015 , 08.09.2015 - 12.09.2015, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/NUPUS_Hommel_2015.pdf
  26. Beck, M., Seitz, G., Class, H., & Helmig, R. (2015, September). A new phenomenological approach to modelling of shear failure in porous media. NUPUS Annual Meeting 2015 , 08.09.2015 - 12.09.2015, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/NupusPoster_Beck_2015.pdf
  27. Hommel, J., Lauchnor, E., Phillips, A., Gerlach, R., Cunningham, A. B., Helmig, R., … Class, H. (2015, May). A revised model for microbially induced calcite precipitation - improvements and insights. 7th International Conference on Porous Media & Annual Meeting - InterPore 2015, 18.05.2015 - 21.05.2015, Padua, Italy. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/InterPore_Hommel_2015.pdf
  28. Fetzer, T., Grüninger, C., Flemisch, B., Smits, K. M., Vanderborght, J., & Helmig, R. (2015, April). Modeling bare soil evaporation with a turbulent free flow/ Darcy flow coupled model. International Conference On Integrated Hydrosystem Modelling, 07.04.2015 - 10.04.2015, Tübingen. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/ihmConferenceFetzer2015.pdf
  29. Fetzer, T., Grüninger, C., Smits, K. M., Vanderborght, J., & Helmig, R. (2015, March). Analysis of processes and properties at a rough porous-medium free-flow interface. MUSIS Workshop 2015, 10.03.2015 - 12.03.2015, Potsdam. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/MUSIS_Fetzer_2015_Poster.pdf
  30. Mejri, E., Jambhekar, V. A., Schmid, K. S., Bouhlila, R., & Helmig, R. (2014, March). Modeling and Analysis of salt precipitation on evaporation processes in the unsaturated zone. 8th NUPUS Meeting, Freudenstadt, Black Forest, Germany, 16-19, March, 2014.
  31. Becker, B., Guo, B., Schneider, M., & Helmig, R. (2014, December). Development of efficient models accounting for reversible flow at various subsurface energy storage sites. 7. SimTech Statusseminar, 10.12.2014 - 12.12.2014, Bad Boll. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/2014SimTechStatusSeminar_posterBeatrix-compressed.pdf
  32. Becker, B., Faigle, B., Schneider, M., & Helmig, R. (2014, July). Development of a heuristic grid adaptation indicator based on rigorous a posteriori error estimation. Gordon Research Conference on Flow and Transport in Permeable Media 2014, 06.07.2014 - 11.07.2014, Lewiston, Maine, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/2014_Poster_Beatrix_Gordon-compressed.pdf
  33. Hommel, J., Lauchnor, E., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2014b, July). Improvements in Modeling Microbially Induced Calcite Precipitation as a Leakage Mitigation Technology. Gordon Research Seminar on Flow and Transport in Permeable Media 2014, 05.07.2014 - 06.07.2014, Lewiston, Maine, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/Gordon_Hommel_2014.pdf
  34. Mejri, E., Jambhekar, V. A., Helmig, R., & Schmid, K. S. (2014, June). Modelling of Salt Precipitation in Porous Media through Evaporation of Saline Water: effects of permeability-porosity functions and salt types. Computational Methods in Water Resources (CMWR) XX, 10.06.2014 - 13.06.2014, Stuttgart.
  35. Schröder, N., Vanderborght, J., Lazarovitch, N., Helmig, R., Vereecken, H., & Javaux, M. (2014, July). Modeling soil-root interactions: Effect of rhizosphere salinity on transpiration reduction. Gordon Research Conference on Flow and Transport in Permeable Media 2014, 06.07.2014 - 11.07.2014, Lewiston, Maine, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/grc2014Schroeder.pdf
  36. Haas, T., Stork, K., Helmig, R., & Brüggemeier, F.-J. (2014a, November). Gesellschaftliche Konzepte für den Umgang mit Flüssen. Akademientag 2014, 24.11.2014, München. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/Akademientag_Konzeote_Haas_2014.pdf
  37. Haas, T., Stork, K., Helmig, R., & Brüggemeier, F.-J. (2014b, November). Transdisziplinäre Werkzeuge zur Analyse von Konflikten rund um Hochwasserschutzmaßnahmen. Akademientag 2014, 24.11.2014, München. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/Akademientag_Werkzeuge_Haas_2014.pdf
  38. Schwenck, N., Tatomir, A., Köppel, M., Flemisch, B., Helmig, R., & Wohlmuth, B. I. (2014, June). Comparison of Lower- and Equi-Dimensional, Discrete and Embedded Models for Fractured Porous Media Flow. Computational Methods in Water Resources (CMWR) XX, 10.06.2014 - 13.06.2014, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/schwenck_cmwr14.pdf
  39. Fetzer, T., Smits, K. M., Grüninger, C., & Helmig, R. (2014b, July). Coupled porous-medium and free flow under turbulent and rough conditions. Gordon Research Conference on Flow and Transport in Permeable Media 2014, 06.07.2014 - 11.07.2014, Lewiston, Maine, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/gordonFetzer2014.pdf
  40. Beck, M., Darcis, M., Class, H., & Helmig, R. (2014, July). Spatial model coupling - an efficient scheme to combine hydraulic and geomechanic simulations. Gordon Research Conference on Flow and Transport in Permeable Media 2014, 06.07.2014 - 11.07.2014, Lewiston, Maine, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/GordonPosterBeck.pdf
  41. Hommel, J., Lauchnor, E., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2014c, July). Improvements in Modeling Microbially Induced Calcite Precipitation as a Leakage Mitigation Technology. Gordon Research Conference on Flow and Transport in Permeable Media 2014, 06.07.2014 - 11.07.2014, Lewiston, Maine, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/Gordon_Hommel_2014.pdf
  42. Fetzer, T., Smits, K. M., Mosthaf, K., & Helmig, R. (2014, June). Coupling porous-medium and free flow under turbulent and rough conditions. Computational Methods in Water Resources XX. International Conference, 10.06.2014 - 13.06.2014, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/cmwrFetzer2014.pdf
  43. Hommel, J., Lauchnor, E., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2014a, May). Estimation of uncertain parameters to improve modeling of Microbially Induced Calcite Precipitation. European Geoscience Union General Assembly 2014, 28.04.2014 - 02.05.2014, Vienna, Austria. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/EGU_Hommel_2014.pdf
  44. Fetzer, T., Smits, K. M., Grüninger, C., & Helmig, R. (2014a, March). Modeling interactions between turbulent free flow and porous-medium flow. NUPUS Annual Meeting 2014, 16.03.2014 - 19.03.2014, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/nupusMeeting2014_Fetzer_poster.pdf
  45. Hommel, J., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2014, March). Estimation of uncertain parameters of the biomineralization model by inverse modeling. NUPUS Annual Meeting 2014, 16.03.2014 - 19.03.2014, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/Nupus-Meeting_Hommel_2014.pdf
  46. Class, H., Flemisch, B., Helmig, R., Baber, K., Faigle, B., Grüninger, C., … Walter, L. (2014, March). Dumux: Dune for Multi-Phase, Component, Scale, Physics, ... Flow and Transport in Porous Media. NumPor Annual Meeting 2014, 02.03.2014 - 03.03.2014, KAUST, Kingdom of Saudi Arabia.
  47. Schröder, N., Huber, K., Vanderborght, J., Javaux, M., Helmig, R., & Vereecken, H. (2013, October). Modelling Solute Transport Processes in a Plant-Soil System N. NUPUS-Conference, 30.09.2013 - 02.10.2013, Bergen, Norway. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2015/Schroeder_NUPUS_Bergen2013.pdf
  48. Faigle, B., Helmig, R., Aavatsmark, I., & Flemisch, B. (2013, October). Adaptive modelling of multi-phase flow. NUPUS-Conference, 30.09.2013 - 02.10.2013, Bergen, Norway. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/NUPUS_konfNorwegen.pdf
  49. Fetzer, T., Smits, K. M., Vanderborght, J., Jenny, P., & Helmig, R. (2013, September). Modeling evaporation from porous media influenced by a turbulent free flow. NUPUS-Conference, 30.09.2013 - 02.10.2013, Bergen, Norway. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/nupusConference_fetzer_2013.pdf
  50. Baber, K., Flemisch, B., Mosthaf, K., & Helmig, R. (2013, May). Modelling drop formation at the interface between free flow and porous medium. 5th International Conference on Porous Media & Annual Meeting - InterPore 2013, 22.05.2013 - 24.05.2013, Prague, Czech Republic.
  51. Hommel, J., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2013, March). Numerical investigation of microbially induced calcite precipitation as leakage mitigation technology. NUPUS Annual Meeting 17-20 March 2013, 17.03.2013 - 20.03.2013, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/Nupus-Meeting_Hommel_2013.pdf
  52. Hommel, J., Cunningham, A. B., Ebigbo, A., Helmig, R., & Class, H. (2013, October). Numerical investigation of microbially induced calcite precipitation as leakage mitigation technology. NUPUS-Conference, 30.09.2013 - 02.10.2013, Bergen, Norway. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/NUPUS-Conference_Hommel_2013.pdf
  53. Wolff, M., Flemisch, B., & Helmig, R. (2013, June). Adaptive Multi-Scale Modeling of Two-Phase Flow Including Capillary Pressure. SIAM Mathematical and Computational Issues in the Geosciences, 17.06.2013 - 20.06.2013, Padua, Italy.
  54. Mosthaf, K., Flemisch, B., Helmig, R., & Baber, K. (2013, May). Modelling evaporation from porous media influenced by atmospheric processes. 5th International Conference on Porous Media & Annual Meeting - InterPore 2013, 22.05.2013 - 24.05.2013, Prague, Czech Republic.
  55. Fetzer, T., Mosthaf, K., Grüninger, C., Flemisch, B., & Helmig, R. (2013b, April). Modeling evaporation from porous media influenced by a turbulent free flow. EGU General Assembly 2013, 07.04.2013 - 12.04.2013, Wien, Österreich. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/NupusPoster_Fetzer_2013.pdf
  56. Fetzer, T., Mosthaf, K., Grüninger, C., Flemisch, B., & Helmig, R. (2013a, March). Modeling evaporation from porous media influenced by a turbulent free flow. NUPUS Annual Meeting 17-20 March 2013, 17.03.2013 - 20.03.2013, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/NupusMeetingPoster_final.pdf
  57. Nuske, P., Helmig, R., Hassanizadeh, S. M., Or, D., & Groß, J. (2012c, June). Equilibrium Assumptions in Multiphase Flow Revisited. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/PhilippNuskeGordon2012.pdf
  58. Schwenck, N., Flemisch, B., Wohlmuth, B. I., & Helmig, R. (2012, June). An xfem approach for the simulation of fractured porous-media systems. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz.
  59. Gerlach, R., Phillips, A., Lauchnor, E., Ebigbo, A., Connolly, J., Mitchell, A. C., … Cunningham, A. B. (2012, December). Improving control of microbially induced mineral precipitation in flow systems - experiments and modelling. AGU 2012 Fall Meeting, 03.12.2012 - 07.12.2012, San Francisco, USA.
  60. Wolff, M., Flemisch, B., & Helmig, R. (2012, June). Adaptive Multi-Scale Modeling of Two-Phase Flow Including Capillary Pressure. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz.
  61. Nuske, P., Helmig, R., Hassanizadeh, S. M., Or, D., & Groß, J. (2012b, June). Equilibrium Assumptions in Multiphase Flow: Revisited. Fourth International Conference on Porous Media and Its Applications in Science, Engineering and Industry: An ECI Conference Series , 17.06.2012 - 22.06.2012, Potsdam. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/PhilippNuskeECI2012.pdf
  62. Nuske, P., Helmig, R., Hassanizadeh, S. M., Or, D., & Groß, J. (2012a, March). Leaving Equilibrium Assumptions Behind: Challenges. NUPUS Joint Meeting, 12.03.2012 - 13.03.2012, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/NUPUS_PhilippNuske2012.pdf
  63. Nuske, P., Helmig, R., Hassanizadeh, S. M., Or, D., & Groß, J. (2012d, June). Equilibrium Assumptions Revisited. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/PhilippNuskeGordon2012.pdf
  64. Faigle, B., Helmig, R., Flemisch, B., & Aavatsmark, I. (2012, June). Adaptive modelling of multi-phase flow. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz. Retrieved from https://ww.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/gordon2012.pdf
  65. Baber, K., Mosthaf, K., Flemisch, B., Müthing, S., & Helmig, R. (2012, July). Coupling free flow and flow in porous media using mortar elements. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/GordonConferenceBaber_Juni2012.pdf
  66. Mosthaf, K., Baber, K., Flemisch, B., & Helmig, R. (2012b, June). Modeling evaporation from porous media influenced by atmospheric processes. Gordon Research Conference Flow and Transport in Permeable Media, 24.06.2012 - 29.06.2012, Les Diablerets, Schweiz.
  67. Mosthaf, K., Baber, K., Flemisch, B., & Helmig, R. (2012a, April). Modeling evaporation influenced by atmospheric processes. European Geosciences Union (EGU) - General Assembly, 22.04.2012 - 27.04.2012, Wien, Österreich.
  68. Nuske, P., Helmig, R., & Hassanizadeh, S. M. (2011, March). Chemical and Thermal Non-Equilibrium: Kinetic Mass & Energy Transfer. NUPUS Joint Meeting, 13.03.2011 - 16.03.2011, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/NUPUS_PhilippNuske2011.pdf
  69. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011b, December). Efficient Bayesian updating with particle filters based on polynomial chaos expansion for CO2 storage. AGU Fall Meeting 2011, 05.12.2011 - 09.12.2011, San Francisco, USA.
  70. Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011a, June). Modeling of underground carbon dioxide storage: data-driven robust design and probabilistic risk assessment. SimTech 2011 - International Conference on Simulation Technology 2011, 14.06.2011 - 17.06.2011, Stuttgart.
  71. Enzenhöfer, R., Nowak, W., & Helmig, R. (2011b, April). Risk management with probabilistic-dispersive well vulnerability criteria (T. Egloffstein, G. Burkhardt, & K. Czurda, Eds.). European Geosciences Union (EGU) - General Assembly, 03.04.2011 - 08.04.2011, Vienna, Austria.
  72. Enzenhöfer, R., Nowak, W., & Helmig, R. (2011a, March). Probabilistic exposure risk assessment with advective-dispersive well vulnerability criteria. NUPUS Joint Meeting, 13.03.2011 - 16.03.2011, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2011/Nupus_enzenhoefer_09032011.pdf
  73. Enzenhöfer, R., Geiges, A., Nowak, W., & Helmig, R. (2011, June). Optimal risk management support in actively managed well catchments by means of probabilistic vulnerability criteria. SimTech 2011 - International Conference on Simulation Technology 2011, 14.06.2011 - 17.06.2011, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2011/SimTech_enzenhoefer_final.pdf
  74. Wolff, M., Flemisch, B., & Helmig, R. (2011, June). Multi-scale modeling of two-phase flow in porous media. SimTech 2011 - International Conference on Simulation Technology 2011, 14.06.2011 - 17.06.2011, Stuttgart.
  75. Walter, L., Class, H., Oladyshkin, S., Flemisch, B., & Helmig, R. (2011, June). Influence of Dirichlet boundary conditions on risk assessment for CO2 storage in geological formations. SimTech 2011 - International Conference on Simulation Technology 2011, 14.06.2011 - 17.06.2011, Stuttgart.
  76. Baber, K., Helmig, R., Flemisch, B., & Mosthaf, K. (2011, March). Coupling of micro- and macro-models for complex flow and transport processes in biological tissue. 3th International Conference on Porous Media & Annual Meeting - InterPore 2011, 29.03.2011 - 31.03.2011, Bordeaux, France.
  77. Baber, K., Flemisch, B., Helmig, R., & Mosthaf, K. (2011, June). Coupling of micro- and macro-models for complex flow and transport processes in biological tissue. SimTech 2011 - International Conference on Simulation Technology 2011, 14.06.2011 - 17.06.2011, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2011/SimTechKonferenz_PosterBaber_Mai2011.pdf
  78. Mosthaf, K., & Helmig, R. (2011, February). Modeling and analysis of the movement of fluid-fluid interfaces in porous media coupled with free flow. MUSIS Workshop on Interfacial Displacement in Unsaturated Porous Media, 02.02.2011 - 04.02.2011, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/vortraege/Poster_MUSIS-workshop_P7_final.pdf
  79. Nuske, P., Niessner, J., Helmig, R., & Hassanizadeh, S. M. (2010, July). Interfacial Area Based Modelling: CO_2-Storage Simulation & Multiphysics Outlook. Gordon Research Conference Flow and Transport in Permeable Media 2010, 11.07.2010 - 16.07.2010, Bates College, Lewiston ME, USA. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/GordonPhilippNuskeFinal.pdf
  80. Wolff, M., Helmig, R., & Flemisch, B. (2010, July). Upscaling of two-phase flow using full tensor effective permeabilities and treatment with MPFA O-method. Gordon Research Conferences: Flow & Transport In Permeable Media, 11.07.2010 - 16.07.2010, Bates College, Lewiston, ME, USA.
  81. Baber, K., Flemisch, B., Helmig, R., & Mosthaf, K. (2010, July). Coupling of micro- and macro-models for complex flow and transport processes in biological tissue. Gordon Research Conference Flow and Transport in Permeable Media 2010, 11.07.2010 - 16.07.2010, Bates College, Lewiston ME, USA.
  82. Walter, L., Oladyshkin, S., Class, H., Darcis, M., & Helmig, R. (2010, September). A study on pressure evolution in a sand channel system during CO2 injection. Greenhouse Gas Control Technologies (GHGT10), 19.09.2010 - 23.09.2010, Amsterdam, The Netherlands.
  83. Mosthaf, K., Baber, K., Flemisch, B., Helmig, R., Leijnse, T., Rybak, I., & Wohlmuth, B. I. (2010, May). Modeling and analysis of evaporation from porous media coupled with free flow. European Geosciences Union (EGU) - General Assembly, 02.05.2010 - 07.05.2010, Vienna, Austria.
  84. Erbertseder, K., Helmig, R., Reichold, J., & Jenny, P. (2010, July). Modeling of the Spatial and Temporal Distribution of Therapeutic Agents in Pulmonary Tumors. Gordon Research Conference Flow and Transport in Permeable Media 2010, 11.07.2010 - 16.07.2010, Bates College, Lewiston ME, USA.
  85. Mosthaf, K., Baber, K., Flemisch, B., & Helmig, R. (2010, July). A new coupling concept for the modeling of evaporation influenced by wind and radiation. Gordon Research Conference Flow and Transport in Permeable Media 2010, 11.07.2010 - 16.07.2010, Bates College, Lewiston ME, USA.
  86. Enzenhöfer, R., Nowak, W., & Helmig, R. (2010, May). Quantification of Uncertainty for Transport-Based Well Vulnerability Criteria. NUPUS Joint Meeting, 09.05.2010 - 12.05.2010, Freudenstadt. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/vortraege/NUPUS_poster_vers3.pdf
  87. Nuske, P., Faigle, B., Niessner, J., & Helmig, R. (2009, October). Interfacial Area Based Simulation in Fractured Porous Media: Microscale Determination. International Conference on Non-Linearities and Upscaling in Porous Media (NUPUS), 05.10.2009 - 07.10.2009, Stuttgart. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2013/PosterIAWorkshopFinal.pdf
  88. Nuske, P., Niessner, J., & Helmig, R. (2009, July). Interfacial Area Based Simulation in Fractured Porous Media: Microscale Determination. Summer School on the Role of Interfacial Areas in Two-Phase Flow and Transport in Porous Media, 20.07.2009 - 24.07.2009, Utrecht, The Netherlands. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2012/PosterIAWorkshopFinal.pdf
  89. Wolff, M., Flemisch, B., & Helmig, R. (2009, October). Comparison of mathematical and numerical models for two-phase flow in porous media. International Conference on Non-Linearities and Upscaling in Porous Media (NUPUS), 05.10.2009 - 07.10.2009, Stuttgart.
  90. Mosthaf, K., Class, H., Flemisch, B., Helmig, R., Leijnse, T., & Rybak, I. (2009, April). Multi-component modeling of porous-media flow coupled with free flow. European Geosciences Union (EGU) - General Assembly, 20.04.2009 - 24.04.2009, Wien, Österreich.
  91. Erbertseder, K., & Helmig, R. (2009, June). Modelling of the Spatial and Temporal Distribution of Therapeutic Agents in Tumours - A Double-Continuum Approach. Transatlantic Summer School on Cancer Systems Biology - Molecular Mechanisms and Mathematical Modelling, 07.06.2009 - 11.06.2009, Rostock.
  92. Oladyshkin, S., Nowak, W., & Helmig, R. (2009, October). Joint design and probabilistic risk assessment for CO2 storage by integral probabilistic collocation method. International Conference on Non-Linearities and Upscaling in Porous Media (NUPUS), 05.10.2009 - 07.10.2009, Stuttgart.
  93. Stadler, L., Hinkelmann, R., Germer, K., Braun, J., & Helmig, R. (2007, October). Simulation of the rainwater infiltration via macropores into natural slopes. Young Scientists Workshop “Data Assimilation, Dealing with Uncertainties, and the Prediction Capabilities of Models in Water Research” of the DFG -Senate Commission on Water Research (KoWa).
  94. Winkler, A., Class, H., & Helmig, R. (2002, March). An Efficient Solution Technique for the Numerical Simulation of Thermally Enhanced Soil Vapour Extraction. International Groundwater Symposium: “Bridging the Gap between Measurement and Modeling in Heterogeneous Media”, 25.03.2002 - 28.03.2002, Berkeley, USA.
  95. Neunhäuserer, L., Gebauer, S., Ochs, S. O., Hinkelmann, R., Kornhuber, R., & Helmig, R. (2002, June). Equidimensional Modelling of Flow and Transport Processes in Fractured Porous Systems II (S. . Hassanizadeh, R. . Schotting, & W. G. & G. F. P. Gray, Eds.). 14. International Conference on Computational Methods in Water Resources, 23.06.2002 - 28.06.2002, Delft, The Netherlands. Retrieved from https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/delft02.ps.gz

Vorträge

  1. Helmig, R. (2018b, July). Simulationen: die Welt besser verstehen? Strömung und Transport in porösen Medien. Mintnight, Dietrich-Bonhoeffer-Gymnasium, 20.07.2018, Filderstadt.
  2. Helmig, R. (2018a, June). Grundwasser im Spannungsfeld konkurrierender Nutzungen des Untergrundes. Ringvorlesung IZKT: Wasser: Lebensraum, Sehnsuchtsort, Ressource, 11.06.2018, Stuttgart.
  3. Helmig, R. (2018c, November). Vom Gehirn zum Energiespeicher: Poröse Medien sind überall. VHS Stuttgart: Fragen an Die Wissenschaft, 13.11.2018, Stuttgart.
  4. Becker, B., Schneider, M., Class, H., Flemisch, B., & Helmig, R. (2018, June). Multi-physics models accounting for subsurface energy storage. International Workshop on Geothermal Energy, 19.06.2018, Manchester, UK.
  5. Becker, B., Schneider, M., Flemisch, B., Wolff, M., Faigle, B., & Helmig, R. (2017, May). Multi-scale and multi-physics modelling: IMPESC formulation. Seminar, IFP Énergies Nouvelles, 16.05.2017, Rueil Malmaison.
  6. Helmig, R. (2017b, May). Energiespeicherung, Herausforderung der Zukunft - Was Simulationen beitragen. Im Digitalen Labor - Durch Computersimulationen Die Welt Verstehen. Wissenschaftsausstellung Des Exzellenzclusters SimTech Und Des Sonderforschungsbereiches 716 Der Universität Stuttgart, 09.05.2017 - 30.07.2017, Stuttgart.
  7. Becker, B., Schneider, M., Class, H., Flemisch, B., & Helmig, R. (2017b, December). Numerical models for evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater. IAHR-BW 2017: Water as a Key Factor for Sustainable Development Goals, 01.12.2017, Stuttgart.
  8. Helmig, R. (2017a, March). Modeling and analysis of soil-moisture processes in the subsurface: the influence of evaporation and salt precipitation in groundwater. World Water Day 2017 Colloquium, 22.03.2017, Hohenheim.
  9. Fetzer, T., Weishaupt, K., Jambhekar, V. A., Mejri, E., & Helmig, R. (2017, May). Modelling and analysis of soil-moisture processes in the subsurface: the influence of evaporation and salt precipitation in groundwater. NUPUS Day, 12.05.2017, Delft University of Technology, Delft, The Netherlands.
  10. Becker, B., Schneider, M., Class, H., Flemisch, B., & Helmig, R. (2017a, October). Model concepts for coupled geo-thermal flow and transport processes in subsurface systems. 5th European Geothermal Workshop, 12.10.2017 - 13.10.2017, Karlsruhe.
  11. Helmig, R. (2016c, October). Numerical models for evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater. GeoSim/SFB1114/NatRisk Annual Workshop 2016, 05.10.2016 - 07.10.2016, Potsdam.
  12. Helmig, R. (2016d, December). Flow and transport in porous media: from environmental via technical to biological applications. 1st German National Chapter Meeting InterPore, 05.12.2016 - 06.12.2016, Leipzig.
  13. Helmig, R., & Class, H. (2016, April). Kann Wasser den Berg hoch fließen? Kinderuni Weil Der Stadt, 14.04.2016, Weil Der Stadt.
  14. Fetzer, T., Flemisch, B., & Helmig, R. (2016, May). Coupling free and porous-medium flow via an interface including surface roughness. 8th International Conference on Porous Media & Annual Meeting- InterPore 2016, 09.05.2016 - 12.05.2016, Cincinnati, Ohio, USA.
  15. Helmig, R. (2016a, January). Der Weg zum Wassernetzwerk Baden-Württemberg. Auftaktveranstaltung Des Netzwerks Wasserforschung Baden-Württemberg, 14.01.2016, Stuttgart.
  16. Helmig, R. (2016b, February). Numerical models for evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater. Lions Club Herrenberg, 15.02.2016, Herrenberg.
  17. Helmig, R. (2015c, June). Darcy Lecture Series in Groundwater Science 2015: Modeling and analysis of soil-moisture processes in the subsurface: the influence of evaporation and salt precipitation in groundwater. Ohio Groundwater Forum, 24.06.2015, Westerville, Ohio, USA.
  18. Helmig, R. (2015d, June). Darcy Lecture Series in Groundwater Science 2015: Numerical models for evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater. 2015 Modflow and More, 31.05.2015 - 03.06.2015, Golden, Colorado, USA.
  19. Helmig, R. (2015e, December). Evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater. 2015 AGU Fall Meeting, 14.12.2015 - 18.12.2015, San Francisco, USA.
  20. Helmig, R., Becker, B., Class, H., Flemisch, B., & Schneider, M. (2015, July). Konkurrierende Nutzung des Untergrunds diskutiert am Beispiel der Energiespeicherung: Ist Mathematik hier notwendig? Tag Der Erlanger Mathematik 2015, 17.07.2015, Erlangen.
  21. Helmig, R., & Fetzer, T. (2015, July). Coupling two-phase compositional porous-medium and free flow. Institutskolloquium Technische Thermodynamik, Deutsches Zentrum Für Luft- Und Raumfahrt, 14.07.2015, Stuttgart.
  22. Helmig, R. (2015a, January). Darcy Lecture Series in Groundwater Science 2015: Modeling and analysis of soil-moisture processes in the subsurface: the influence of evaporation and salt precipitation in groundwater. Geoökologisches Kolloquium, TU Braunschweig, 22.01.2015, Braunschweig.
  23. Helmig, R. (2015b, January). Darcy Lecture Series in Groundwater Science 2015: Numerical models for evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater. Vortragsreihe Grundwasser, Hochschule Heilbronn, 14.01.2015, Heilbronn.
  24. Helmig, R., & Class, H. (2014, January). Konkurrierende Nutzung des Untergrunds - Risiken und Chancen, erklärt am Beispiel der CO2-Speicherung. Wissenschaftsforum Rathaus - Samstags-Uni, 25.01.2014, Stuttgart.
  25. Becker, B., Flemisch, B., Helmig, R., & Schneider, M. (2014, December). Roads to success in porous media research: A workshop for future research leaders in the UK. Roads to Success in Porous Media Research: A Workshop for Future Research Leader, 11.12.2014 - 12.12.2014, Edinburgh.
  26. Mosthaf, K., Fetzer, T., Flemisch, B., & Helmig, R. (2014, February). Modeling and analysis of the movement of fluid-fluid interfaces in porous media coupled with free flow. International Seminar: Dynamic Processes in Capillary Fringes, 24.02.2014 - 25.02.2014, Karlsruhe.
  27. Helmig, R., Faigle, B., Flemisch, B., & Wolff, M. (2013, February). A decoupled model for compositional multiphase flow in porous media and multi-physics, multi-scale approaches for two-phase flow. Shell Lecture Series, Rice University, Computational and Applied Mathematics, 18.02.2013, Houston, Texas, USA. Retrieved from https://www.sciencedirect.com/science/article/pii/S0045782514004630
  28. Helmig, R., Faigle, B., & Nuske, P. (2013, March). Gas-water flow and transport processes in fractured porous systems. Forschungsseminar AG Ingenieurgeologie, ETH Zürich, 12.03.2013, Zürich.
  29. Helmig, R., Baber, K., Mosthaf, K., Flemisch, B., Wohlmuth, B. I., & Leijnse, T. (2013, January). Modeling of compositional flow in coupled porous media-free flow domains. CIW-Fakultätskolloquium, KIT, 08.01.2013, Karlsruhe.
  30. Helmig, R. (2013, July). Strömungs- und Transportvorgänge in porösen Medien - vom Grundwasser bis zur Brennstoffzelle. Klassensitzung, Math.-Naturwiss. Klasse, Heidelberger Akademie d. Wissenschaften, 19.07.2013, Heidelberg.
  31. Helmig, R., Baber, K., Flemisch, B., & Wohlmuth, B. I. (2012, October). Compositional multi-phase flow in coupled porous-media and free-flow domains. Oberseminar Numerische Mathematik / Scientific Computing, FU Berlin, 22.10.2012, Berlin.
  32. Helmig, R. (2012, May). Klimawandel und CO2 - kann CO2-Speicherung im Untergrund den Klimawandel abmildern? HIN-Kolloquium, Audi AG, 24.05.2012, Neckarsulm.
  33. Walter, L., Kissinger, A., Class, H., Oladyshkin, S., & Helmig, R. (2012, May). Methods for evaluating competitive use of the subsurface - for example, the influence of CCS in groundwater. Exploratory Workshop: An Integrated Approach to Water Research and Technology Development, 03.05.2012 - 04.05.2012, TU München.
  34. Cao, Y., Espedal, M., Helmig, R., & Wohlmuth, B. I. (2011, March). A new corrected operator splitting method combining streamline approach for two-phase flow with gravity. SIAM Conference on Mathematical & Computational Issues in the Geosciences, 21.03.2011 - 24.03.2011, Long Beach, California, USA.
  35. Ebigbo, A., Class, H., & Helmig, R. (2011, March). Modelling of biofilm growth and its influence on CO2 and water (two-phase) flow in porous media. SIAM Conference on Mathematical & Computational Issues in the Geosciences, 21.03.2011 - 24.03.2011, Long Beach, California, USA.
  36. Helmig, R. (2011, December). Modelling of complex porous media systems - from CO2 sequestration to evaporation at the soil-atmosphere interface. Town Hall Meeting: Dynamic Earth - German Research Opportunities in Geosciences, 06.12.2011, San Francisco, USA.
  37. Helmig, R., Baber, K., Mosthaf, K., Flemisch, B., Wohlmuth, B. I., & Leijnse, T. (2011, July). Modeling of compositional flow in coupled porous-media - �free-flow domains. GeoEnviron Seminar, Zentrum Für Angewandte Geowissenschaften, 01.07.2011, Universität Tübingen.
  38. Helmig, R., Faigle, B., Flemisch, B., & Fritz, J. (2011, July). Efficient modelling of multi-phase flow and transport in porous media using multi-physics and multi-scale approaches. MAC Summer Workshop 2011: Munich Multiphysics Meeting, 13.07.2011, TU München.
  39. Helmig, R., Faigle, B., Flemisch, B., & Wolff, M. (2011, November). Efficient modeling of flow and transport in porous media using multiphysics and multiscale approaches. Journées Scientifiques Du GNR MoMaS, CIRM Marseille, 02.11.2011 - 04.11.2011, Marseille.
  40. Mosthaf, K., Baber, K., Flemisch, B., Helmig, R., & Wohlmuth, B. I. (2011, November). Coupling two-phase compositional porous-medium and free flow. , 30.11.2011, Rice University, Houston, USA.
  41. Helmig, R., Faigle, B., Flemisch, B., Fritz, J., & Niessner, J. (2011, February). Efficient modelling of multi-phase flow and transport in porous media using multi-physics and multi-scale approaches. MATCH Workshop on Analytical and Numerical Methods for Multiscale Systems, 14.02.2011 - 17.02.2011, Heidelberg.
  42. Helmig, R., Class, H., Flemisch, B., Ebigbo, A., & Darcis, M. (2010, June). Simulation of CO2 storaging in the subsurface hydrosystem. , 30.06.2010, Montanuniversität Leoben.
  43. Helmig, R., Baber, K., Flemisch, B., Mosthaf, K., & Wohlmuth, B. I. (2010, October). Modeling of compositional flow in coupled porous-media - �free-flow domains. Coupling Dynamics of Multiphase Flows, Kick-Off-Treffen Des IGSSE-Projekts, 22.10.2010, TU München.
  44. Cao, Y., Espedal, M., Helmig, R., & Wohlmuth, B. I. (2010, January). Corrected operator splitting combining streamline approach for porous media flow with gravity - Memorial Lecture dedicated to Magne Espedal. 2th International Conference on Porous Media & Annual Meeting - InterPore 2010, 14.03.2010 - 17.03.2010, Texas A&M University.
  45. Class, H., Helmig, R., Kopp, A., Ebigbo, A., Darcis, M., & Walter, L. (2010, January). Simulation of CO2 storaging in the subsurface hydro-system. Frontiers in Shallow Subsurface Technology, 20.01.2010 - 22.01.2010, Delft, The Netherlands.
  46. Helmig, R. (2010, June). Klimawandel und CO2: Kann CO2-Speicherung im Untergrund den Klimawandel abmildern? Tag Der Wissenschaft, 26.06.2010, Universität Stuttgart.
  47. Helmig, R., Class, H., Niessner, J., & Flemisch, B. (2010, November). Porous media flow and transport processes: Bridging the gap between geo-, technical and bio- porous media systems. Relevant processes and methods. Neues Aus Der Umwelttechnik Und Infrastrukturplanung: IWAR-Vortragsreihe Der TU Darmstadt, 22.11.2010, Darmstadt.
  48. Helmig, R., Mosthaf, K., Baber, K., Flemisch, B., Rybak, I., Leijnse, T., & Wohlmuth, B. I. (2010, September). New coupling concept for multi-phase multi-component porous media and free flow. Academy Colloquium: Multi-Scale Problems in Sustainable Resource Management, 06.09.2010 - 09.09.2010, Amsterdam, The Netherlands.
  49. Helmig, R., Flemisch, B., Leijnse, T., Mosthaf, K., Rybak, I., & Wohlmuth, B. I. (2010, July). Modeling of compositional flow in coupled porous media - free-flow domains. Workshop on Interfaces in Multiphase Flow, 01.07.2010 - 02.07.2010, Universität Stuttgart, Institut Für Angewandte Analysis Und Numerische Simulation.
  50. Assteerawatt, A., Helmig, R., Haegland, H., Bárdossy, A., & Dahle, H. K. (2009, June). Simulation of flow and transport processes in a discrete fracture matrix system. Geostatistical generation of fractures on an aquifer analogue scale. SIAM Conference on Mathematical and Computational Issues in the Geosciences, 15.06.2009 - 18.06.2009, Leipzig.
  51. Helmig, R., Neuweiler, I., & Niessner, J. (2009, June). Complex gas-water processes in discrete fracture-matrix systems. SIAM Conference on Mathematical and Computational Issues in the Geosciences, 15.06.2009 - 18.06.2009, Leipzig.
  52. Helmig, R., Flemisch, B., Fritz, J., Niessner, J., & Wolff, M. (2009, July). A new multiscale approach for the simulation of multiphase flow processes in porous media. ICP-Kolloquium, Institut Für Computerphysik, 09.07.2009, Stuttgart.
  53. Class, H., Kopp, A., Ebigbo, A., Darcis, M., & Helmig, R. (2009, March). Carbon capture and hydrology in the GCC and in the EU. The Sultan Qaboos Academic Chair Seminar: Quantitative Water Management - Relevant Contributions to Society and Science, 02.03.2009 - 02.03.2009, Utrecht, The Netherlands.
  54. Class, H., Erbertseder, K., Flemisch, B., Helmig, R., Niessner, J., & Wolff, M. (2009, March). Porous media flow and transport processes. Bridging the gap between geo-, technical- and bio-porous media systems, relevant processes, methods. 1th International Conference on Porous Media & Annual Meeting - InterPore 2009, 11.03.2009 - 14.03.2009, Kaiserslautern.
  55. Helmig, R., & Neuweiler, I. (2009, November). Skalen und Skalierungen in der Wasserforschung. Plenumssitzung Der Interdisziplin&auml;Ren Arbeitsgruppe “Globaler Wandel - Regionale Entwicklung” Der Berlin-Brandenburgischen Akademie Der Wissenschaften, 05.11.2009, Berlin.
  56. Helmig, R. (2009, April). Multi-scale multi-physics methods for flow and transport in porous media - towards an accurate and efficient modelling framework. Kolloquium Des Goethe-Zentrums Für Wissenschaftliches Rechnen, Goethe-Universität Frankfurt.
  57. Helmig, R., Flemisch, B., Leijnse, T., Mosthaf, K., Rybak, I., & Wohlmuth, B. I. (2009, November). A new coupling concept for multi-phase, multi-component porous media flow and free flow. Minisymposium “Two-Phase Flow in Porous Media”, 09.11.2009, Utrecht, The Netherlands.
  58. Helmig, R., Baber, K., & Erbertseder, K. (2009, November). 40 Jahre DGMP - Festsymposium zum 40jährigen Jubiläum der Deutschen Gesellschaft für Medizinische Physik e.V. 40 Jahre DGMP - Festsymposium Zum 40jährigen Jubiläum Der Deutschen Gesellschaft Für Medizinische Physik e.V., 06.11.2009, Berlin.
  59. Class, H., Darcis, M., Erbertseder, K., & Helmig, R. (2008, July). Transfer of modeling concepts for flow and transport processes in porous media from subsurface systems to biological tissues. Systems Biology Seminar, Center Systems Biology Stuttgart.
  60. Helmig, R., Class, H., Kopp, A., Ebigbo, A., & Darcis, M. (2008, June). Simulation of CO2 storaging in the subsurface hydrosystem. IAHR International Groundwater Symposium: Flow and Transport in Heterogeneous Subsurface Formations: Theory, Modelling and Applications, 18.06.2008 - 20.06.2008, Istanbul.
  61. Helmig, R., Class, H., Darcis, M., Niessner, J., Flemisch, B., & Fritz, J. (2008, February). Multiphase flow and transport processes in porous media - from CO2 storaging to convection-enhanced delivery of therapeutic agents into brain tumors. ASIM-Workshop: Grundlagen Und Methoden Der Modellbildung Und Simulation, 18.02.2008 - 20.02.2008, Erlangen.
  62. Helmig, R., Jakobs, H., & Neuweiler, I. (2008, June). Degassing processes in fractured matrix systems. EUROMECH Colloquium 499: Nonlinear Mechanics of Multiphase Flow in Porous Media: Phase Transitions, Instability, Non-Equilibrium, Modelling, 09.06.2008 - 12.06.2008, Nancy.
  63. Helmig, R., Niessner, J., Flemisch, B., & Fritz, J. (2007, July). A new multiscale approach for the simulation of multiphase flow processes in porous media. Inaugural Conference on Computational Methods in Energy and Environmental Research, 09.07.2007 - 12.07.2007, Beijing, China.
  64. Helmig, R. (2007, May). Underground hydrosystems - groundwater sources, seawater intrusion and CO2 sequestration. First Annual Doha Conference on Applied Mathematics and Computational Science, 20.05.2007 - 22.05.2007, Quatar.
  65. Ochs, S. O., Class, H., & Helmig, R. (2007, November). Flow and transport in porous media: modelling and simulation. Water management in polymer electrolyte membrane fuel cells. Marie Curie Workshop on Flow and Transport in Industrial Porous Media, 12.11.2007 - 16.11.2007, Utrecht, The Netherlands.
  66. Helmig, R., Flemisch, B., Fritz, J., & Niessner, J. (2007, November). Multiphysics concept for multiphase flow and transport processes in porous media. Numerical Discretization and Upscaling Methods, 01.11.2007 - 02.11.2007, Princeton, U.S.A.
  67. Helmig, R. (2005a, January). Die Tsunami-Welle - eine wissenschaftliche Analyse. Treffen Lions Club Und Rotary Club Herrenberg, 17.01.2005, Herrenberg.
  68. Helmig, R. (2005b, May). Entstehung und Ausbreitung von Tsunami-Wellen. Stuttgarter Physikalisches Kolloquium, 24.05.2005, Stuttgart.
  69. Helmig, R., Eichel, H., Manthey, S., Niessner, J., & Papafotiou, A. (2005, July). Upscaling of two-phase flow processes in heterogeneous porous media considering small-scale and dynamic effects. Upscaling Flow and Transport Processes in Porous Media, 11.07.2005 - 13.07.2005, Utrecht, The Netherlands.
  70. Helmig, R. (2005e, July). Unser Klima im Blick - Wie kann man Treibhausgase nutzen und speichern? Überreichung Der Diplom- Und Doktorurkunden, Fakultät 2, 01.07.2005, Universität Stuttgart.
  71. Helmig, R. (2005d, June). Recent advances in numerical methods for multiphase flow processes in porous media. 10. International Conference Mathematical Modelling and Analysis, 01.06.2005 - 05.06.2005, Trakai, Litauen.
  72. Helmig, R. (2005c, May). Upscaling of two-phase flow processes in highly heterogeneous porous media including interfaces on different scales. Mini-Workshop: Numerical Upscaling: Theory and Applications, 01.05.2005 - 07.05.2005, Oberwolfach.
  73. Helmig, R. (2004c, September). Simulation des Verhaltens klimarelevanter Gase im Untergrund. Ausstellung ,,Virtuelle Und Digitale Welten - Engineering von Morgen" Im Rahmen Des Wissenschaftssommers 2004, 25.09.2004 - 01.10.2004, Universität Stuttgart.
  74. Helmig, R. (2004e, December). Unser Klima im Blick - Wie kann man Treibhausgase nutzen und speichern? Reihe ,,Stuttgart Zu Gast in Der Universität - Sonntagsmatinee", Universität Stuttgart.
  75. Helmig, R. (2004b, September). Scale-dependent modelling of multiphase flow processes in porous media. Abschlusskolloquium SFB 359, 29.09.2004 - 01.10.2004, Heidelberg.
  76. Helmig, R. (2004d, November). Scale-dependent gas-water processes in strongly heterogeneous porous media. ICA-Kolloquium, Universität Stuttgart.
  77. Helmig, R. (2004a, June). Skalenabhängigkeit von Mehrphasenprozessen in porösen Medien - Problemstellung und Lösungsansätze. Eröffnung Des Interdisziplinären Zentrums ,,Efficient Mathematical Modelling", 18.06.2004, Freie Universität Berlin.
  78. Helmig, R. (2003g, August). Numerical simulation of non-isothermal multiphase multicomponent processes in porous media. Applications for the injection of steam and air.
  79. Helmig, R. (2003h, November). Hydrosystemmodellierung - von der Hydromechanik zur Hydroinformatik.
  80. Helmig, R. (2003a, February). Multiphase and Multicomponent Flow in Porous Media in Industrial and Environmental Applications. Postgraduate Course ,,Water Resources Science and Technology", 12.02.2003, National Technical University of Athens.
  81. Helmig, R. (2003i, November). Large Modelling and Simulation of Environmental Water Problems in the Subsurface. 6. Porous Media Workshop (Journées Milieux Poreux - JMP2003), 12.11.2003 - 13.11.2003, Toulouse, France.
  82. Helmig, R. (2003f, July). Adaptive hierarchical upscaling to the field scale. CNRS-DFG Workshop, Research Group: ,,Modelling and Simulation of Liquid-Vapour Flows", 15.07.2003 - 17.07.2003, Kirchzarten.
  83. Helmig, R. (2003d, March). Modelling Gas-Water Processes in Fractured-Porous Media. SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS 03), 17.03.2003 - 20.03.2003, Austin, Texas, USA.
  84. Helmig, R. (2003b, March). Compositional Multiphase Flow and Transport in Heterogeneous Porous Media. SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS 03), 17.03.2003 - 20.03.2003, Austin, Texas, USA.
  85. Helmig, R. (2003e, June). Upscaling of two-phase flow processes in porous media. European Science Foundation (ESF) Exploratory Workshop: “Recent Advances in Multiphase Flow and Transport in Porous Media”, 23.06.2003 - 25.06.2003, Delft University of Technology, Delft, The Netherlands.
  86. Helmig, R. (2003c, March). Mathematical and numerical modelling of multiphase and multicomponent flow in heterogeneous porous media.
  87. Helmig, R. (2002a, February). Multiphase flow and transport processes in porous media.
  88. Helmig, R., Class, H., & Jakobs, H. (2002, June). Mathematical and Numerical Modelling of Multiphase and Multicomponent Flow in Heterogeneous Porous Media. 14. International Conference on Computational Methods in Water Resources, 23.06.2002 - 28.06.2002, Delft, The Netherlands.
  89. Helmig, R. (2002e, November). Influences of heterogeneities on multiphase flow in porous media. Eindhoven Applied Analysis Seminar, 19.11.2002, Eindhoven University of Technology.
  90. Helmig, R. (2002d, November). Determination of constitutive relationships for two-phase flow processes in heterogeneous porous media with emphasis on the relative permeability-saturation relationship. MACSI-Net Working Group 14: “Filtration Problems in Porous Media and Paper Manufacturing” (Workshop 2002), 22.11.2002 - 23.11.2002, Fraunhofer ITWM, Kaiserslautern.
  91. Helmig, R. (2002b, June). Limitations and possibilities of the simulation of flow and transport processes in complex porous-media structures. 1. National Scientific Soil Symposium, 05.06.2002 - 06.06.2002, Zeist, The Netherlands.
  92. Helmig, R. (2002c, June). Upscaling of two-phase flow processes in porous media. 4. International Conference on Calibration and Reliability in Groundwater Modelling (ModelCARE 2002), 17.06.2002 - 20.06.2002, Prague, Czech Republic.
  93. Helmig, R. (2001e, October). Numerische Simulation von Mehrphasenströmungen. Kompaktkurs: Numerische Prozess-Simulation in Porösen Medien, DFG-Graduiertenkolleg “Interaktion von Modellbildung, Numerik Und Softwarekonzepten Für Techn.-Wissenschaftl. Fragestellungen”, 09.10.2001, Universität Hannover.
  94. Helmig, R. (2001c, June). Upscaling techniques for two-phase flow processes in porous media. AMS-IMS-SIAM Summer Research Conferences: Fluid Flow and Transport in Porous Media: Mathematical and Numerical Treatment, 17.06.2001 - 21.06.2001, South Hadley, MA, USA.
  95. Helmig, R. (2001a, January). Hydrosystemmodellierung am Beispiel gekoppelter Strömungs- und Transportprozesse im Untergrund. Karlsruher Vortragsreihe: Forschung Und Praxis in Wasserbau Und Wasserwirtschaft, Universität Karlsruhe (TH).
  96. Helmig, R. (2001g, December). Prozessadaptive Substitutionsregeln zur Modellierung von Mehrphasenvorgängen in porösen Medien. Statuskolloquium, SFB 404 Mehrfeldprobleme in Der Kontinuumsmechanik, 13.12.2001, Universität Stuttgart.
  97. Helmig, R. (2001d, October). Numerische Simulation von Mehrphasen-Mehrkomponenten-Systemen: Effiziente Algorithmen, Möglichkeiten und Probleme. VEGAS Statuskolloquium, 12.10.2001, Universität Stuttgart.
  98. Helmig, R. (2001f, November). Von der Hydromechanik zur Hydrosystemmodellierung.
  99. Helmig, R. (2001b, June). Upscaling methods for multiphase processes. 6. SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS 01), 11.06.2001 - 14.06.2001, Boulder, Colorado, USA.
  100. Helmig, R. (2000, October). Upscaling techniques for two-phase flow processes in porous media. International Workshop and Tutorial Lectures on Subsurface Flow and Transport Phenomena, 23.10.2000 - 27.10.2000, Delft University of Technology, Delft, The Netherlands.

betreute studentische Arbeiten

  1. 2012

    1. Flow in unsaturated porous media: Numerical and experimental evaluation of the two-phase model and the Richards equation. (2012).
  2. 2011

    1. Two phase flow in homogeneous porous media - The role of dynamic capillary pressure in modeling gravity driven fingering. (2011). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
  3. 2010

    1. Modeling of infiltration processes in the unsaturated zone - switching of boundary condition from Neumann to Dirichlet -. (2010).
    2. Modelling biofilm distribution and its effect on two-phase flow in porous media. (2010). (Studienarbeit). Universität Stuttgart, Institut für Wasserbau.
  4. 2009

    1. Numerical solution of Philip’s redistribution problem. (2009). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
  5. 2008

    1. Implementation and Application of a Hysteresis Model for Multiphase Flow and Transport in Porous Media. (2008). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
    2. A double-continuum approach for two-phase flow in macroporous media: Parameter study and applications. (2008). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau, Lehrstuhl für Hydromechanik und Hydrosystemmodellierung.
    3. Beschreibung und Quantifizierung der Wechselwirkungen zwischen Grundwasserkörper, Baggersee und Drainagegräben im Rahmen einer 3D Strömungs- und Transportmodellierung. (2008). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
  6. 2007

    1. Implementation of a Stochastic Wind Model into the Virtual WaterWay (VWW) Program. (2007).
    2. Numerical Investigations of Flow through Fractured Porous Media. (2007).
    3. Simulation der Wasserqualität im Bodensee mit Hilfe eines dreidimensionalen Modells. (2007). (Diplomarbeit). Stuttgart, Institut für Wasserbau, Lehrstuhl für Hydromechanik und Hydrosystemmodellierung.
    4. The development of a single phase multicomponent model with sorption for the analysis of methane migration from subsurface coal seams. (2007).
    5. The influende on mixing in a lake of an internal boundary layer for the wind. (2007).
  7. 2005

    1. Experimental and numerical investigations on steam injection in saturated soils. (2005).
  8. 2004

    1. Modeling of Mine Gas Repositories. (2004).
    2. Modeling of Natural Attenuation: Evaluation of Available Codes. (2004).
  9. 2003

    1. Influence of the Interface Condition and Exact Linearization in the Newton Iterations for Two-Phase Flow in Heterogeneous Porous Media. (2003). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau, Lehrstuhl für Hydromechanik und Hydrosystemmodellierung.
  10. 2001

    1. Assessment of technical, ecological and economic implications for the use of ethanol instead of Methyl tert-Butyl Ether (MTBE) as oxygenate and octane booster in gasoline. (2001).
  11. 2000

    1. Predictive modeling of a field scale DNAPL remediation by steam injection. (2000).
  12. 1997

    1. Numerische Untersuchungen zum Gas-Wasser-Verhalten in einem Stollen mit Verschlußbauwerk. (1997). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
  13. 1995

    1. Kopplung von FE-/FV-Methoden zur numerischen Simulation von Zweiphasenströmungen in heterogenen, porösen Medien. (1995). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
  14. 1993

    1. Simulation von Zweiphasenströmungen im Untergrund mit Hilfe einer adaptiven Finite-Element-Formulierung. (1993). (Diplomarbeit). Universität Stuttgart, Institut für Wasserbau.
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