This image shows Rainer Helmig

Rainer Helmig

Prof. Dr.-Ing. Dr.-Ing. h.c.

Emeritus
Institute for Modelling Hydraulic and Environmental Systems
Department of Hydromechanics and Modelling of Hydrosystems

Contact

+49 711 685 64741
+49 711 685 60430

Business card (VCF)

Pfaffenwaldring 61
70569 Stuttgart
Germany
Room: 1.015

Career

Since 2024: Emeritus, Institute for Modelling Hydraulic and Environmental Systems, University of Stuttgart
2000-2024: Full Professor, Institute for Modelling Hydraulic and Environmental Systems, University of Stuttgart
1998-2020: Full Professor, Institute of Computer Applications in Civil Engineering, TU Braunschweig
1997-1998: Acting Professor, Institute of Computer Applications in Civil Engeneering, TU Braunschweig
1993-1997: Research Assistant, Institute of Hydraulic Engineering, University of Stuttgart
1988-1992: Research Assistant, Institute of Fluid Mechanics, University of Hannover
1986-1988: Ingenieur, Land Nordrhein-Westfalen

Academic Degrees

1996: Habilitation degree (Dr.-Ing. habil.), University of Stuttgart
1993: Doctoral degree (Dr.-Ing.), University of Hannover
1986: Graduation in Civil Engeneering (Dipl.-Ing.), University of Hannover
1981: Graduation in Civil Engineering (Dipl.-Ing. (FH)), University of Applied Sciences, Münster

print-version of CV

 

1995: Dresden Prize for Groundwater Research
2008: Teaching award for lectures in Hydromechanics, University of Stuttgart
since 2010: Elected member of the Heidelberg Academy of Sciences and Humanities
2012: NOW-von Humboldt Stiftung award
2013: Shell lecture 2013, Rice University, Houston, USA
2013: InterPore-Rosette, International Society for Porous Media
2015: Henry Darcy Distinguished Lecturer, National Groundwater Association (NGWA)
since 2017: Elected member of the German Academy of Science and Engineering
2019: Honorary Lifetime Membership Award, International Society for Porous Media (InterPore)
2019 – 2022: Magne Espedal Honorary Professor at the University of Bergen, Norway
2020: AGU Fellow 2020, American Geophysical Union
2021 – 2024: Research Professorship, University of Stuttgart
2022: Honorary Degree of Doctor of Engineering, Heriot-Watt University, United Kingdom
2022: Elected member of the Academia Europaea, The Academy of Europe
2024: Kimberly-Clark Distinguished Lecturer 2025, International Society for Porous Media

since 1999: Member of the Editorial Board of "Advances in Water Research"
since 2007: Member of the Editorial Board of "Computational Geosciences"
since 2009: Course Coordinator of the study program "Simulation Technology" at the University of Stuttgart
2018-2021: Member of the Executive Board of the Cluster of Excellence EXC 2075 “Data-integrated Simulation Science” (Simtech) at the University of Stuttgart
2018-2023: Spokesperson of the Collaborative Research Centre (SFB) 1313 “Interface-Driven Multi-Field Processes in Porous Media: Flow, Transport and Deformation”, University of Stuttgart
since 2018: Principal investigator of the Cluster of Excellence EXC 2075 “Data-integrated Simulation Science” (Simtech) at the University of Stuttgart
since 2018: Principal Investigator of the Collaborative Research Centre (SFB) 1313 “Interface-Driven Multi-Field Processes in Porous Media: Flow, Transport and Deformation”, University of Stuttgart

Publications

  1. (Journal-) Articles

    1. Veyskarami, M., Michalkowski, C., Bringedal, C., & Helmig, R. (2023). Droplet Formation, Growth and Detachment at the Interface of a Coupled Free-FLow--Porous Medium System: A New Model Development and Comparison. Transport in Porous Media, 149, 389–419. https://doi.org/10.1007/s11242-023-01944-2
    2. Wu, H., Veyskarami, M., Schneider, M., & Helmig, R. (2023). A New Fully Implicit Two-Phase Pore-Network Model by Utilizing Regularization Strategies. Transport in Porous Media. https://doi.org/10.1007/s11242-023-02031-2
    3. Ackermann, S., Fest-Santini, S., Veyskarami, M., Helmig, R., & Santini, M. (2023). Experimental validation of a coupling concept for drop formation and growth onto porous materials by high-resolution X-ray imaging technique. International Journal of Multiphase Flow, 160. https://doi.org/10.1016/j.ijmultiphaseflow.2022.104371
    4. Boon, W. M., Gläser, D., Helmig, R., & Yotov, I. (2023). Flux-mortar mixed finite element methods with multipoint flux approximation. Computer Methods in Applied Mechanics and Engineering, 405, 115870. https://doi.org/10.1016/j.cma.2022.115870
    5. Bringedal, C., Schollenberger, T., Pieters, G. J. M., van Duijn, C. J., & Helmig, R. (2022). Evaporation-Driven Density Instabilities in Saturated Porous Media. Transport in Porous Media, 143(2), Article 2. https://doi.org/10.1007/s11242-022-01772-w
    6. Michalkowski, C., Weishaupt, K., Schleper, V., & Helmig, R. (2022). Modeling of Two Phase Flow in a Hydrophobic Porous Medium Interacting with a Hydrophilic Structure. Transport in Porous Media, 144(2), Article 2. https://doi.org/10.1007/s11242-022-01816-1
    7. Boon, W. M., Gläser, D., Helmig, R., & Yotov, I. (2022). Flux-Mortar Mixed Finite Element Methods on NonMatching Grids. SIAM Journal on Numerical Analysis, 60(3), Article 3. https://doi.org/10.1137/20M1361407
    8. Younes, A., Hoteit, H., Helmig, R., & Fahs, M. (2022). A robust upwind mixed hybrid finite element method  for transport in variably saturated porous media. Hydrology and Earth System Sciences, 26(20), Article 20. https://doi.org/10.5194/hess-26-5227-2022
    9. Tsinober, A., Rosenzweig, R., Class, H., Helmig, R., & Shavit, U. (2022). The Role of Mixed Convection and Hydrodynamic Dispersion During CO2 Dissolution in Saline Aquifers: A Numerical Study. Water Resources Research, 58(3), Article 3. https://doi.org/10.1029/2021WR030494
    10. Wang, W., Lozano-Durán, A., Helmig, R., & Chu, X. (2022). Spatial and spectral characteristics of information flux between turbulent boundary layers and porous media. Journal of Fluid Mechanics, 949. https://doi.org/10.1017/jfm.2022.770
    11. Becker, B., Guo, B., Buntic, I., Flemisch, B., & Helmig, R. (2022). An Adaptive Hybrid Vertical Equilibrium/Full-Dimensional Model for Compositional Multiphase Flow. Water Resources Research, 58(1), Article 1. https://doi.org/10.1029/2021WR030990
    12. Younes, A., Hoteit, H., Helmig, R., & Fahs, M. (2022). A robust fully mixed finite element model for flow and transport in unsaturated fractured porous media. Advances in Water Resources, 166, 104259. https://doi.org/10.1016/j.advwatres.2022.104259
    13. Michalkowski, C., Veyskarami, M., Bringedal, C., Helmig, R., & Schleper, V. (2022). Two-phase Flow Dynamics at the Interface Between GDL and Gas Distributor Channel Using a Pore-Network Model. Transport in Porous Media, 144(2), Article 2. https://doi.org/10.1007/s11242-022-01813-4
    14. Eller, J., Sauerborn, T., Becker, B., Buntic, I., Gross, J., & Helmig, R. (2022). Modeling Subsurface Hydrogen Storage With Transport Properties From Entropy Scaling Using the PC-SAFT Equation of State. Water Resources Research, 58(4), Article 4. https://doi.org/10.1029/2021WR030885
    15. Weishaupt, K., Koch, T., & Helmig, R. (2022). A fully implicit coupled pore-network/free-flow model for the pore-scale simulation of drying processes. Drying Technology, 40(4), Article 4. https://doi.org/10.1080/07373937.2021.1955706
    16. Kurgyis, K., Hommel, J., Flemisch, B., Helmig, R., & Ott, H. (2021). Explicit continuum scale modeling of low-salinity mechanisms. Journal of Petroleum Science and Engineering, 199, 108336. https://doi.org/10.1016/j.petrol.2020.108336
    17. Weishaupt, K., Koch, T., & Helmig, R. (2021). A fully implicit coupled pore-network/free-flow model for the pore-scale simulation of drying processes. Drying Technology, 0(0), Article 0. https://doi.org/10.1080/07373937.2021.1955706
    18. Wang, W. (王文康), Yang, G. (杨光), Evrim, C., Terzis, A., Helmig, R., & Chu, X. (初旭). (2021). An assessment of turbulence transportation near regular and random permeable interfaces. Physics of Fluids, 33(11), Article 11. https://doi.org/10.1063/5.0069311
    19. Schneider, J., Groh, J., Pütz, T., Helmig, R., Rothfuss, Y., Vereecken, H., & Vanderborght, J. (2021). Prediction of soil evaporation measured with weighable lysimeters using the FAO Penman–Monteith method in combination with Richards’ equation. Vadose Zone Journal, 20(1), Article 1. https://doi.org/10.1002/vzj2.20102
    20. Ackermann, S., Bringedal, C., & Helmig, R. (2021). Multi-scale three-domain approach for coupling free flow and flow in porous media including droplet-related interface processes. Journal of Computational Physics, 429, 109993. https://doi.org/10.1016/j.jcp.2020.109993
    21. Gao, B., Coltman, E., Farnsworth, J., Helmig, R., & Smits, K. M. (2021). Determination of Vapor and Momentum Roughness Lengths Above an Undulating Soil Surface Based on PIV-Measured Velocity Profiles. Water Resources Research, 57(7), Article 7. https://doi.org/10.1029/2021WR029578
    22. Chu, X., Wang, W., Yang, G., Terzis, A., Helmig, R., & Weigand, B. (2021). Transport of Turbulence Across Permeable Interface in a Turbulent Channel Flow: Interface-Resolved Direct Numerical Simulation. Transport in Porous Media, 136(1), Article 1. https://doi.org/10.1007/s11242-020-01506-w
    23. Wang, W., Chu, X., Lozano-Durán, A., Helmig, R., & Weigand, B. (2021). Information transfer between turbulent boundary layers and porous media. Journal of Fluid Mechanics, 920, A21. https://doi.org/10.1017/jfm.2021.445
    24. Koch, T., Weishaupt, K., Müller, J., Weigand, B., & Helmig, R. (2021). A (Dual) Network Model for Heat Transfer in Porous Media. Transport in Porous Media, 140(1), Article 1. https://doi.org/10.1007/s11242-021-01602-5
    25. Ahmadi, N., Heck, K., Rolle, M., Helmig, R., & Mosthaf, K. (2021). On multicomponent gas diffusion and coupling concepts for porous media and free flow: a benchmark study. Computational Geosciences, 25(5), Article 5. https://doi.org/10.1007/s10596-021-10057-y
    26. de Winter, M., Weishaupt, K., Scheller, S., Frey, S., Raoof, A., Hassanizadeh, M., & Helmig, R. (2020). The Complexity of Porous Media Flow Characterized in a Microfluidic Model Based on Confocal Laser Scanning Microscopy and Micro-PIV. Transport in Porous Media. https://doi.org/10.1007/s11242-020-01515-9
    27. Schneider, M., Weishaupt, K., Gläser, D., Boon, W. M., & Helmig, R. (2020). Coupling staggered-grid and MPFA finite volume methods for free flow/porous-medium flow problems. Journal of Computational Physics, 401. https://doi.org/10.1016/j.jcp.2019.109012
    28. Seitz, G., Helmig, R., & Class, H. (2020). A numerical modeling study on the influence of porosity changes during thermochemical heat storage. Applied Energy, 259, 114152. https://doi.org/10.1016/j.apenergy.2019.114152
    29. Ghosh, T., Bringedal, C., Helmig, R., & Sekhar, G. P. R. (2020). Upscaled equations for two-phase flow in highly heterogeneous porous media: Varying permeability and porosity. Advances in Water Resources, 145, 103716. https://doi.org/10.1016/j.advwatres.2020.103716
    30. Heck, K., Coltman, E., Schneider, J., & Helmig, R. (2020). Influence of Radiation on Evaporation Rates: A Numerical Analysis. Water Resources Research, 56(10), Article 10. https://doi.org/10.1029/2020WR027332
    31. Koch, T., Flemisch, B., Helmig, R., Wiest, R., & Obrist, D. (2020). A multi-scale sub-voxel perfusion model to estimate diffusive capillary wall conductivity in multiple sclerosis lesions from perfusion MRI data. International Journal for Numerical Methods in Biomedical Engineering, 36(2), Article 2. https://doi.org/10.1002/cnm.3298
    32. Koch, T., Helmig, R., & Schneider, M. (2020). A new and consistent well model for one-phase flow in anisotropic porous media using a distributed source model. Journal of Computational Physics, 410, 109369. https://doi.org/10.1016/j.jcp.2020.109369
    33. Koch, T., Schneider, M., Helmig, R., & Jenny, P. (2020). Modeling tissue perfusion in terms of 1d-3d embedded mixed-dimension coupled problems with distributed sources. Journal of Computational Physics, 410, 109370. https://doi.org/10.1016/j.jcp.2020.109370
    34. Weishaupt, K., Terzis, A., Zarikos, I., Yang, G., Flemisch, B., de Winter, D. A. M., & Helmig, R. (2020). A Hybrid-Dimensional Coupled Pore-Network/Free-Flow Model Including Pore-Scale Slip and Its Application to a Micromodel Experiment. Transport in Porous Media, 135(1), Article 1. https://doi.org/10.1007/s11242-020-01477-y
    35. Coltman, E., Lipp, M., Vescovini, A., & Helmig, R. (2020). Obstacles, Interfacial Forms, and Turbulence: A Numerical Analysis of Soil-Water Evaporation Across Different Interfaces. Transport in Porous Media, 134(2), Article 2. https://doi.org/10.1007/s11242-020-01445-6
    36. Shokri-Kuehni, S. M. S., Raaijmakers, B., Kurz, T., Or, D., Helmig, R., & Shokri, N. (2020). Water Table Depth and Soil Salinization: From Pore-Scale Processes to Field-Scale Responses. Water Resources Research, 56(2), Article 2. https://doi.org/10.1029/2019WR026707
    37. Gläser, D., Flemisch, B., Class, H., & Helmig, R. (2020). Frackit: a framework for stochastic fracture network generation and analysis. Journal of Open Source Software, 5. https://doi.org/10.21105/joss.02291
    38. Bahlmann, L. M., Smits, K. M., Heck, K., Coltman, E., Helmig, R., & Neuweiler, I. (2020). Gas Component Transport Across the Soil-Atmosphere Interface for Gases of Different Density: Experiments and Modeling. Water Resources Research, 56(9), Article 9. https://doi.org/10.1029/2020WR027600
    39. 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, 100011. https://doi.org/10.1016/j.jcpx.2019.100011
    40. Yang, G., Terzis, A., Zarikos, I., Hassanizadeh, S. M., Weigand, B., & Helmig, R. (2019). Internal flow patterns of a droplet pinned to the hydrophobic surfaces of a confined microchannel using micro-PIV and VOF simulations. Chemical Engineering Journal, 370, 444–454. https://doi.org/10.1016/j.cej.2019.03.191
    41. Bilke, L., Flemisch, B., Kalbacher, T., Kolditz, O., Helmig, R., & Nagel, T. (2019). Development of Open-Source Porous Media Simulators: Principles and Experiences. Transport in Porous Media, 130(1), Article 1. https://doi.org/10.1007/s11242-019-01310-1
    42. Gläser, D., Flemisch, B., Helmig, R., & Class, H. (2019). A hybrid-dimensional discrete fracture model for non-isothermal two-phase flow in fractured porous media. GEM - International Journal on Geomathematics, 10(1), Article 1. https://doi.org/10.1007/s13137-019-0116-8
    43. 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
    44. Zhuang, L., Hassanizadeh, S. M., van Duijn, C. J., Zimmermann, S., Zizina, I., & Helmig, R. (2019). Experimental and Numerical Studies of Saturation Overshoot during Infiltration into a Dry Soil. Vadose Zone Journal, 18(1), Article 1. https://doi.org/10.2136/vzj2018.09.0167
    45. Mitra, K., Köppl, T., Duijn, H. van, Pop, I. S., & Helmig, R. (2019). Fronts in two-phase porous media flow problems: the effects of hysteresis and dynamic capillarity. Studies in Applied Mathematics, 1906.08134. https://research.tue.nl/en/publications/fronts-in-two-phase-porous-media-flow-problems-the-effects-of-hys
    46. Vidotto, Ettore., Koch, Timo., Köppl, Tobias., Helmig, Rainer., & Wohlmuth, Barbara. (2019). Hybrid Models for Simulating Blood Flow in Microvascular Networks. Multiscale Modeling & Simulation, 17(3), Article 3. https://doi.org/10.1137/18M1228712
    47. 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
    48. Terzis, A., Zarikos, I., Weishaupt, K., Yang, G., Chu, X., Helmig, R., & Weigand, B. (2019). Microscopic velocity field measurements inside a regular porous medium adjacent to a low Reynolds number channel flow. Physics of Fluids, 31(4), Article 4. https://doi.org/10.1063/1.5092169
    49. 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
    50. Vidotto, E., Helmig, R., Schneider, M., & Wohlmuth, B. (2018). Streamline method for resolving sharp fronts for complex two-phase flow in porous media. Computational Geosciences, 22(6), Article 6. https://doi.org/10.1007/s10596-018-9767-z
    51. Schneider, M., Flemisch, B., Helmig, R., Terekhov, K., & Tchelepi, H. (2018). Monotone nonlinear finite-volume method for challenging grids. Computational Geosciences. https://doi.org/10.1007/s10596-017-9710-8
    52. Schneider, M., Gläser, D., Flemisch, B., & Helmig, R. (2018). Comparison of finite-volume schemes for diffusion problems. Oil & Gas Science and Technology – Revue d’IFP Energies Nouvelles, 73. https://ogst.ifpenergiesnouvelles.fr/articles/ogst/pdf/2018/01/ogst180050.pdf
    53. 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), Article 3. https://doi.org/10.1007/s11242-017-0977-y
    54. 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
    55. 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
    56. 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
    57. 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
    58. 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
    59. 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
    60. Terzis, A., Roumeli, E., Weishaupt, K., Brack, S., Aslannejad, H., Groß, J., Hassanizadeh, S. M., Helmig, R., & 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
    61. 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
    62. 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
    63. 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
    64. 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
    65. 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
    66. Neuweiler, I., & Helmig, R. (2017). Debates - Hypothesis testing in hydrology: a subsurface perspective. Water Resources Research, 53. https://doi.org/1002/2016WR020047
    67. 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), Article 2. https://doi.org/10.1002/2016WR019983
    68. 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.
    69. 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), Article 2. https://doi.org/10.1002/2016WR019982
    70. Schneider, M., Flemisch, B., & Helmig, R. (2017). Monotone nonlinear finite-volume method for nonisothermal two-phase two-component flow in porous media. International Journal for Numerical Methods in Fluids, 84(6), Article 6. https://doi.org/10.1002/fld.4352
    71. Gläser, D., Dell’Oca, A., Tatomir, A., Bensabat, J., Class, H., Guadagnini, A., Helmig, R., McDermott, C., Riva, M., & Sauter, M. (2016). An Approach Towards a FEP-based Model for Risk Assessment for Hydraulic Fracturing Operations. Energy Procedia, 97, 387--394. https://doi.org/10.1016/j.egypro.2016.10.030
    72. 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
    73. 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
    74. 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.
    75. 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
    76. 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
    77. 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. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/2014/SimTech_Preprint_Baber2014.pdf
    78. 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), Article 2. https://doi.org/10.1007/s11242-015-0617-3
    79. 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, Article 70.
    80. 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
    81. Helmig, R., 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
    82. 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.
    83. 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), Article 2. https://doi.org/10.1007/s11242-016-0654-6
    84. Hommel, J., Lauchnor, E., Phillips, A., Gerlach, R., Cunningham, A. B., Helmig, R., Ebigbo, A., & Class, H. (2015). A revised model for microbially induced calcite precipitation: Improvements and new insights based on recent experiments. Water Resources Research, 51(5), Article 5. https://doi.org/10.1002/2014WR016503
    85. 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
    86. 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), Article 6. https://doi.org/10.1007/s10596-015-9536-1
    87. 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.
    88. 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
    89. Tatomir, A., Schaffer, M., Kissinger, A., Hommel, J., Nuske, P., Licha, T., Helmig, R., & 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
    90. 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.
    91. 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
    92. 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
    93. Faigle, B., Helmig, R., Aavatsmark, I., & Flemisch, B. (2014). Efficient multiphysics modelling with adaptive grid-refinement using an MPFA method. Computational Geosciences, 18(5), Article 5. https://doi.org/10.1007/s10596-014-9407-1
    94. 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
    95. 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
    96. 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
    97. Helmig, R., 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
    98. 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
    99. Kissinger, A., Helmig, R., Ebigbo, A., Class, H., Lange, T., Sauter, M., Heitfeld, M., Klünker, J., & 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
    100. 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

Talks

  1. R. Helmig, “Vom Gehirn zum Energiespeicher: Poröse Medien sind überall,” VHS Stuttgart: Fragen an die Wissenschaft, 13.11.2018, Stuttgart. in VHS Stuttgart: Fragen an die Wissenschaft, 13.11.2018, Stuttgart. Nov. 2018.
  2. B. Becker, M. Schneider, H. Class, B. Flemisch, and R. Helmig, “Multi-physics models accounting for subsurface energy storage,” International Workshop on Geothermal Energy, 19.06.2018, Manchester, UK. in International Workshop on Geothermal Energy, 19.06.2018, Manchester, UK. Jun. 2018.
  3. R. Helmig, “Simulationen: die Welt besser verstehen? Strömung und Transport in porösen Medien,” Mintnight, Dietrich-Bonhoeffer-Gymnasium, 20.07.2018, Filderstadt. in Mintnight, Dietrich-Bonhoeffer-Gymnasium, 20.07.2018, Filderstadt. Jul. 2018.
  4. R. Helmig, “Grundwasser im Spannungsfeld konkurrierender Nutzungen des Untergrundes,” Ringvorlesung IZKT: Wasser: Lebensraum, Sehnsuchtsort, Ressource, 11.06.2018, Stuttgart. in Ringvorlesung IZKT: Wasser: Lebensraum, Sehnsuchtsort, Ressource, 11.06.2018, Stuttgart. Jun. 2018.
  5. R. Helmig, “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. in 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. May 2017.
  6. R. Helmig, “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. in World Water Day 2017 Colloquium, 22.03.2017, Hohenheim. Mar. 2017.
  7. T. Fetzer, K. Weishaupt, V. A. Jambhekar, E. Mejri, and R. Helmig, “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. in NUPUS Day, 12.05.2017, Delft University of Technology, Delft, The Netherlands. May 2017.
  8. B. Becker, M. Schneider, B. Flemisch, M. Wolff, B. Faigle, and R. Helmig, “Multi-scale and multi-physics modelling: IMPESC formulation,” Seminar, IFP Énergies nouvelles, 16.05.2017, Rueil Malmaison. in Seminar, IFP Énergies nouvelles, 16.05.2017, Rueil Malmaison. May 2017.
  9. B. Becker, M. Schneider, H. Class, B. Flemisch, and R. Helmig, “Model concepts for coupled geo-thermal flow and transport processes in subsurface systems,” 5th European Geothermal Workshop, 12.10.2017 - 13.10.2017, Karlsruhe. in 5th European Geothermal Workshop, 12.10.2017 - 13.10.2017, Karlsruhe. Oct. 2017.
  10. B. Becker, M. Schneider, H. Class, B. Flemisch, and R. Helmig, “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. in IAHR-BW 2017: Water as a key factor for sustainable development goals, 01.12.2017, Stuttgart. Dec. 2017.
  11. T. Fetzer, B. Flemisch, and R. Helmig, “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. in 8th International Conference on Porous Media & Annual Meeting- InterPore 2016, 09.05.2016 - 12.05.2016, Cincinnati, Ohio, USA. May 2016.
  12. R. Helmig and H. Class, “Kann Wasser den Berg hoch fließen?,” Kinderuni Weil der Stadt, 14.04.2016, Weil der Stadt. in Kinderuni Weil der Stadt, 14.04.2016, Weil der Stadt. Apr. 2016.
  13. R. Helmig, “Numerical models for evaluating the competitive use of the subsurface: the influence of energy storage and production in groundwater,” Seminar, Graduiertenkolleg “Wasser - Menschen - Landwirtschaft”, 23.05.2016, Universität Hohenheim. in Seminar, Graduiertenkolleg “Wasser - Menschen - Landwirtschaft”, 23.05.2016, Universität Hohenheim. May 2016.
  14. R. Helmig, “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. in Lions Club Herrenberg, 15.02.2016, Herrenberg. Feb. 2016.
  15. R. Helmig, “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. in GeoSim/SFB1114/NatRisk Annual Workshop 2016, 05.10.2016 - 07.10.2016, Potsdam. Oct. 2016.
  16. R. Helmig, “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. in 1st German National Chapter Meeting InterPore, 05.12.2016 - 06.12.2016, Leipzig. Dec. 2016.
  17. R. Helmig, “Der Weg zum Wassernetzwerk Baden-Württemberg,” Auftaktveranstaltung des Netzwerks Wasserforschung Baden-Württemberg, 14.01.2016, Stuttgart. in Auftaktveranstaltung des Netzwerks Wasserforschung Baden-Württemberg, 14.01.2016, Stuttgart. Jan. 2016.
  18. R. Helmig, “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,” Journées MOMAS Multiphasiques 2015, 05.10.2015 - 07.10.2015, Nice, France. in Journées MOMAS Multiphasiques 2015, 05.10.2015 - 07.10.2015, Nice, France. Oct. 2015.
  19. R. Helmig, “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,” 2015 NGWA Groundwater Expo and Annual Meeting, 14.12.2015 - 18.12.2015, Las Vegas, NV, USA. in 2015 NGWA Groundwater Expo and Annual Meeting, 14.12.2015 - 18.12.2015, Las Vegas, NV, USA. Dec. 2015.
  20. R. Helmig, “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,” AQUA 2015 - 42nd IAH Congress, 13.09.2015 - 18.09.2015, Rom. in AQUA 2015 - 42nd IAH Congress, 13.09.2015 - 18.09.2015, Rom. Sep. 2015.
  21. R. Helmig, “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,” Opening Ceremony: DFG Research Training Group Urban Water Interfaces, TU Berlin, 08.09.2015, Berlin. in Opening Ceremony: DFG Research Training Group Urban Water Interfaces, TU Berlin, 08.09.2015, Berlin. Sep. 2015.
  22. R. Helmig, “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,” King Abdullah University of Science and Technology, 15.02.2015, Thuwal. in King Abdullah University of Science and Technology, 15.02.2015, Thuwal. Feb. 2015.
  23. R. Helmig, “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. in Geoökologisches Kolloquium, TU Braunschweig, 22.01.2015, Braunschweig. Jan. 2015.
  24. R. Helmig, “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,” University of British Columbia, 22.05.2015, Vancouver, Canada. in University of British Columbia, 22.05.2015, Vancouver, Canada. May 2015.
  25. R. Helmig, “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,” Seminar, EAWAG, 07.05.2015, Dübendorf, Schweiz. in Seminar, EAWAG, 07.05.2015, Dübendorf, Schweiz. May 2015.
  26. R. Helmig, “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,” Los Alamos National Laboratory, 23.03.2015, Los Alamos, USA. in Los Alamos National Laboratory, 23.03.2015, Los Alamos, USA. Mar. 2015.
  27. R. Helmig, “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,” Baylor University, 19.03.2015, Waco, USA. in Baylor University, 19.03.2015, Waco, USA. Mar. 2015.
  28. R. Helmig, “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,” Universitat Politècnica di València, 28.09.2015, Valencia. in Universitat Politècnica di València, 28.09.2015, Valencia. Sep. 2015.
  29. R. Helmig, “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,” Southwest Research Institute, 18.03.2015, San Antonio, USA. in Southwest Research Institute, 18.03.2015, San Antonio, USA. Mar. 2015.
  30. R. Helmig, “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,” Geological Survey of Ireland, 01.12.2015, Dublin. in Geological Survey of Ireland, 01.12.2015, Dublin. Dec. 2015.
  31. R. Helmig, “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,” Stanford University, 03.11.2015, Stanford, California, USA. in Stanford University, 03.11.2015, Stanford, California, USA. Nov. 2015.
  32. R. Helmig, “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,” Delft Advanced Reservoir Simulation Lunch & Learn, TU Delft, 25.09.2015, Delft, The Netherlands. in Delft Advanced Reservoir Simulation Lunch & Learn, TU Delft, 25.09.2015, Delft, The Netherlands. Sep. 2015.
  33. R. Helmig, “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,” Seminar, Politecnico di Torino, 03.03.2015, Torino. in Seminar, Politecnico di Torino, 03.03.2015, Torino. Mar. 2015.
  34. R. Helmig, “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,” International Association of Hydrologists, Melbourne, 13.08.2015, Melbourne. in International Association of Hydrologists, Melbourne, 13.08.2015, Melbourne. Aug. 2015.
  35. R. Helmig, “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,” University of Kansas, 20.05.2015, Lawrence, Kansas, USA. in University of Kansas, 20.05.2015, Lawrence, Kansas, USA. May 2015.
  36. R. Helmig, “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,” University of Illinois, 18.05.2015, Urbana-Champaign, USA. in University of Illinois, 18.05.2015, Urbana-Champaign, USA. May 2015.
  37. R. Helmig, “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 Clemson Hydrogeology Symposium, 26.03.2015, Clemson University, USA. in 2015 Clemson Hydrogeology Symposium, 26.03.2015, Clemson University, USA. Mar. 2015.
  38. R. Helmig, “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,” Seminar, Politecnico di Torino, 03.03.2015, Torino. in Seminar, Politecnico di Torino, 03.03.2015, Torino. Mar. 2015.
  39. R. Helmig, B. Becker, H. Class, B. Flemisch, and M. Schneider, “Konkurrierende Nutzung des Untergrunds diskutiert am Beispiel der Energiespeicherung: Ist Mathematik hier notwendig?,” Tag der Erlanger Mathematik 2015, 17.07.2015, Erlangen. in Tag der Erlanger Mathematik 2015, 17.07.2015, Erlangen. Jul. 2015.
  40. R. Helmig, “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,” International Association of Hydrologists, New South Wales, 10.08.2015, Sydney. in International Association of Hydrologists, New South Wales, 10.08.2015, Sydney. Aug. 2015.
  41. R. Helmig, “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,” Montana State University, 04.06.2015, Bozeman, Montana, USA. in Montana State University, 04.06.2015, Bozeman, Montana, USA. Jun. 2015.
  42. R. Helmig, “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,” University of California, 28.05.2015, Santa Barbara, California. in University of California, 28.05.2015, Santa Barbara, California. May 2015.
  43. R. Helmig, “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,” International Association of Hydrologists, Northern Territory, 20.08.2015, Darwin. in International Association of Hydrologists, Northern Territory, 20.08.2015, Darwin. Aug. 2015.
  44. R. Helmig, “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,” NCGRT, Flinders University, Adelaide, 18.08.2015, Adelaide. in NCGRT, Flinders University, Adelaide, 18.08.2015, Adelaide. Aug. 2015.
  45. R. Helmig, “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. in Vortragsreihe Grundwasser, Hochschule Heilbronn, 14.01.2015, Heilbronn. Jan. 2015.
  46. R. Helmig, “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,” Portland State University, 26.05.2015, Portland, USA. in Portland State University, 26.05.2015, Portland, USA. May 2015.
  47. R. Helmig, “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,” Eindhoven Multiscale Institute Colloquium, 22.04.2015, Eindhoven University of Technology. in Eindhoven Multiscale Institute Colloquium, 22.04.2015, Eindhoven University of Technology. Apr. 2015.
  48. R. Helmig, “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,” University of North Carolina at Chapel Hill, 24.03.2015, Chapel Hill, North Carolina, USA. in University of North Carolina at Chapel Hill, 24.03.2015, Chapel Hill, North Carolina, USA. Mar. 2015.
  49. R. Helmig, “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,” Geological Society of London, 05.10.2015, London, UK. in Geological Society of London, 05.10.2015, London, UK. Oct. 2015.
  50. R. Helmig, “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,” IWR-Kolloquium, 01.07.2015, Heidelberg. in IWR-Kolloquium, 01.07.2015, Heidelberg. Jul. 2015.
  51. R. Helmig, “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. in 2015 Modflow and More, 31.05.2015 - 03.06.2015, Golden, Colorado, USA. Jun. 2015.
  52. R. Helmig, “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,” Geological Survey of Ireland, 01.12.2015, Dublin. in Geological Survey of Ireland, 01.12.2015, Dublin. Dec. 2015.
  53. R. Helmig, “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,” Universität Potsdam, 16.11.2015, Potsdam. in Universität Potsdam, 16.11.2015, Potsdam. Nov. 2015.
  54. R. Helmig, “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,” GeoEnviron-Seminar, Universität Tübingen, 13.11.2015, Tübingen. in GeoEnviron-Seminar, Universität Tübingen, 13.11.2015, Tübingen. Nov. 2015.
  55. R. Helmig, “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,” New Mexico Institute of Mining and Technology, 05.11.2015, Socorro, NM, USA. in New Mexico Institute of Mining and Technology, 05.11.2015, Socorro, NM, USA. Nov. 2015.
  56. R. Helmig, “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,” University of Vermont, 23.10.2015, Burlington, VT, USA. in University of Vermont, 23.10.2015, Burlington, VT, USA. Oct. 2015.
  57. R. Helmig, “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,” Karlsruhe Institut für Technologie, 23.11.2015, Karlsruhe. in Karlsruhe Institut für Technologie, 23.11.2015, Karlsruhe. Nov. 2015.
  58. R. Helmig, “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. in 2015 AGU Fall Meeting, 14.12.2015 - 18.12.2015, San Francisco, USA. Dec. 2015.
  59. R. Helmig, “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,” University of Western Ontario, 27.10.2015, London, ON, Canada. in University of Western Ontario, 27.10.2015, London, ON, Canada. Oct. 2015.
  60. R. Helmig, “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,” University of Waterloo, 29.10.2015, Waterloo, Canada. in University of Waterloo, 29.10.2015, Waterloo, Canada. Oct. 2015.
  61. R. Helmig, “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,” International Association of Hydrologists, Western Australia, 19.08.2015, Perth. in International Association of Hydrologists, Western Australia, 19.08.2015, Perth. Aug. 2015.
  62. R. Helmig, “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,” International Association of Hydrologists, Canberra, 11.08.2015, Canberra. in International Association of Hydrologists, Canberra, 11.08.2015, Canberra. Aug. 2015.
  63. R. Helmig, “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,” Seminar, Université de Neuchatel, 08.05.2015, Neuchatel. in Seminar, Université de Neuchatel, 08.05.2015, Neuchatel. May 2015.
  64. R. Helmig, “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,” Seminar, IFP Energies nouvelles, 16.04.2015, Rueil Malmaison. in Seminar, IFP Energies nouvelles, 16.04.2015, Rueil Malmaison. Apr. 2015.
  65. R. Helmig, “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,” Seminar, Heriot Watt University, 10.04.2015, Edinburgh. in Seminar, Heriot Watt University, 10.04.2015, Edinburgh. Apr. 2015.
  66. R. Helmig, “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,” Spring 2015 Geological Sciences Seminar, 30.03.2015, Gainesville, USA. in Spring 2015 Geological Sciences Seminar, 30.03.2015, Gainesville, USA. Mar. 2015.
  67. R. Helmig, “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 NGWA Groundwater Summit, 16.03.2015 - 18.03.2015, San Antonio, USA. in 2015 NGWA Groundwater Summit, 16.03.2015 - 18.03.2015, San Antonio, USA. Mar. 2015.
  68. R. Helmig and T. Fetzer, “Coupling two-phase compositional porous-medium and free flow,” Institutskolloquium Technische Thermodynamik, Deutsches Zentrum für Luft- und Raumfahrt, 14.07.2015, Stuttgart. in Institutskolloquium Technische Thermodynamik, Deutsches Zentrum für Luft- und Raumfahrt, 14.07.2015, Stuttgart. Jul. 2015.
  69. R. Helmig, “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,” Oregon State University, 27.05.2015, Corvallis, USA. in Oregon State University, 27.05.2015, Corvallis, USA. May 2015.
  70. R. Helmig, “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,” Universität Göttingen, 17.06.2015, Göttingen. in Universität Göttingen, 17.06.2015, Göttingen. Jun. 2015.
  71. R. Helmig, “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,” Distinguished Scientist Seminar Series, LBNL, 11.12.2015, Berkeley, USA. in Distinguished Scientist Seminar Series, LBNL, 11.12.2015, Berkeley, USA. Dec. 2015.
  72. R. Helmig, “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,” Universität Potsdam, 16.11.2015, Potsdam. in Universität Potsdam, 16.11.2015, Potsdam. Nov. 2015.
  73. R. Helmig, “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,” IAH-CNC 2015 Waterloo Conference, 27.10.2015 - 30.10.2015, Waterloo, Canada. in IAH-CNC 2015 Waterloo Conference, 27.10.2015 - 30.10.2015, Waterloo, Canada. Oct. 2015.
  74. R. Helmig, “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,” GSA 2015 Annual Meeting & Exposition, 01.11.2015 - 04.11.2015, Baltimore. in GSA 2015 Annual Meeting & Exposition, 01.11.2015 - 04.11.2015, Baltimore. Nov. 2015.
  75. R. Helmig, “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,” International Association of Hydrologists, Queensland, 25.08.2015, Brisbane. in International Association of Hydrologists, Queensland, 25.08.2015, Brisbane. Aug. 2015.
  76. R. Helmig, “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,” International Association of Hydrologists, Tasmania, 17.08.2015, Hobart. in International Association of Hydrologists, Tasmania, 17.08.2015, Hobart. Aug. 2015.
  77. R. Helmig, “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,” Seminar, Université de Rennes, 25.02.2015, Rennes, Frankreich. in Seminar, Université de Rennes, 25.02.2015, Rennes, Frankreich. Feb. 2015.
  78. R. Helmig, “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,” University of Bergen, 11.05.2015, Bergen, Norway. in University of Bergen, 11.05.2015, Bergen, Norway. May 2015.
  79. R. Helmig, “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,” Seminar, Université de Lausanne, 20.04.2015, Lausanne, Switzerland. in Seminar, Université de Lausanne, 20.04.2015, Lausanne, Switzerland. Apr. 2015.
  80. R. Helmig, “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,” Seminar, Princeton University, 31.03.2015, Princeton, U.S.A. in Seminar, Princeton University, 31.03.2015, Princeton, U.S.A. Mar. 2015.
  81. R. Helmig, “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. in Ohio Groundwater Forum, 24.06.2015, Westerville, Ohio, USA. Jun. 2015.
  82. B. Becker, B. Flemisch, R. Helmig, and M. Schneider, “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. in Roads to success in porous media research: A workshop for future research leader, 11.12.2014 - 12.12.2014, Edinburgh. Dec. 2014.
  83. R. Helmig and H. Class, “Konkurrierende Nutzung des Untergrunds - Risiken und Chancen, erklärt am Beispiel der CO2-Speicherung,” Wissenschaftsforum Rathaus - Samstags-Uni, 25.01.2014, Stuttgart. in Wissenschaftsforum Rathaus - Samstags-Uni, 25.01.2014, Stuttgart. Jan. 2014.
  84. K. Mosthaf, T. Fetzer, B. Flemisch, and R. Helmig, “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. in International seminar: Dynamic processes in capillary fringes, 24.02.2014 - 25.02.2014, Karlsruhe. Feb. 2014.
  85. R. Helmig, B. Faigle, and P. Nuske, “Gas-water flow and transport processes in fractured porous systems,” Forschungsseminar AG Ingenieurgeologie, ETH Zürich, 12.03.2013, Zürich. in Forschungsseminar AG Ingenieurgeologie, ETH Zürich, 12.03.2013, Zürich. Mar. 2013.
  86. R. Helmig, K. Baber, K. Mosthaf, B. Flemisch, B. I. Wohlmuth, and T. Leijnse, “Modeling of compositional flow in coupled porous media-free flow domains,” CIW-Fakultätskolloquium, KIT, 08.01.2013, Karlsruhe. in CIW-Fakultätskolloquium, KIT, 08.01.2013, Karlsruhe. Jan. 2013.
  87. R. Helmig, B. Faigle, B. Flemisch, and M. Wolff, “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. in Shell Lecture Series, Rice University, Computational and Applied Mathematics, 18.02.2013, Houston, Texas, USA. Feb. 2013. [Online]. Available: https://www.sciencedirect.com/science/article/pii/S0045782514004630
  88. R. Helmig, “Strömungs- und Transportvorgänge in porösen Medien - vom Grundwasser bis zur Brennstoffzelle,” Klassensitzung, math.-naturwiss. Klasse, Heidelberger Akademie d. Wissenschaften, 19.07.2013, Heidelberg. in Klassensitzung, math.-naturwiss. Klasse, Heidelberger Akademie d. Wissenschaften, 19.07.2013, Heidelberg. Jul. 2013.
  89. R. Helmig, “Klimawandel und CO2 - kann CO2-Speicherung im Untergrund den Klimawandel abmildern?,” HIN-Kolloquium, Audi AG, 24.05.2012, Neckarsulm. in HIN-Kolloquium, Audi AG, 24.05.2012, Neckarsulm. May 2012.
  90. L. Walter, A. Kissinger, H. Class, S. Oladyshkin, and R. Helmig, “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. in Exploratory Workshop: An integrated approach to water research and technology development, 03.05.2012 - 04.05.2012, TU München. May 2012.
  91. R. Helmig, K. Baber, B. Flemisch, and B. I. Wohlmuth, “Compositional multi-phase flow in coupled porous-media and free-flow domains,” Oberseminar Numerische Mathematik / Scientific Computing, FU Berlin, 22.10.2012, Berlin. in Oberseminar Numerische Mathematik / Scientific Computing, FU Berlin, 22.10.2012, Berlin. Oct. 2012.
  92. A. Ebigbo, H. Class, and R. Helmig, “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. in SIAM Conference on Mathematical & Computational Issues in the Geosciences, 21.03.2011 - 24.03.2011, Long Beach, California, USA. Mar. 2011.
  93. R. Helmig, B. Faigle, B. Flemisch, and J. Fritz, “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. in MAC Summer Workshop 2011: Munich Multiphysics Meeting, 13.07.2011, TU München. Jul. 2011.
  94. R. Helmig, B. Faigle, B. Flemisch, J. Fritz, and J. Niessner, “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. in MATCH Workshop on Analytical and Numerical Methods for Multiscale Systems, 14.02.2011 - 17.02.2011, Heidelberg. Feb. 2011.
  95. R. Helmig, “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. in Town Hall Meeting: Dynamic Earth - German Research Opportunities in Geosciences, 06.12.2011, San Francisco, USA. Dec. 2011.
  96. K. Mosthaf, K. Baber, B. Flemisch, R. Helmig, and B. I. Wohlmuth, “Coupling two-phase compositional porous-medium and free flow,” , 30.11.2011, Rice University, Houston, USA. in , 30.11.2011, Rice University, Houston, USA. Nov. 2011.
  97. R. Helmig, B. Faigle, B. Flemisch, and M. Wolff, “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. in Journées Scientifiques du GNR MoMaS, CIRM Marseille, 02.11.2011 - 04.11.2011, Marseille. Nov. 2011.
  98. R. Helmig, K. Baber, K. Mosthaf, B. Flemisch, B. I. Wohlmuth, and T. Leijnse, “Modeling of compositional flow in coupled porous-media - �free-flow domains,” GeoEnviron Seminar, Zentrum für Angewandte Geowissenschaften, 01.07.2011, Universität Tübingen. in GeoEnviron Seminar, Zentrum für Angewandte Geowissenschaften, 01.07.2011, Universität Tübingen. Jul. 2011.
  99. R. Helmig, K. Baber, K. Mosthaf, B. Flemisch, B. I. Wohlmuth, and T. Leijnse, “Modeling of compositional flow in coupled porous-media - �free-flow domains,” Seminar am Fraunhofer Institut für Techno- und Wirtschaftsmathematik, Kaiserslautern, 28.01.2011, Kaiserslautern. in Seminar am Fraunhofer Institut für Techno- und Wirtschaftsmathematik, Kaiserslautern, 28.01.2011, Kaiserslautern. Jan. 2011.
  100. Y. Cao, M. Espedal, R. Helmig, and B. I. Wohlmuth, “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. in SIAM Conference on Mathematical & Computational Issues in the Geosciences, 21.03.2011 - 24.03.2011, Long Beach, California, USA. Mar. 2011.

Current research projects

To the top of the page