Contact
+49 711 685 64741
+4971168560430
Email
Business card (VCF)
Pfaffenwaldring 61
70569 Stuttgart
Germany
Room: 1.015
Office Hours
During summer term 2023 the weekly office hours take place every Monday from 1:00pm to 2:00pm. The office hours are offered on site or via webex. If you need any advice or discussions, please feel free to get in touch via e-mail. Then we will arrange an exact time and a place for the meeting.
- Multiphase Modelling in Porous Media (Lecture with Exercises)
- Fluidmechanik II (Lecture with Exercises)
- Numerische Methoden der Fluidmechanik (Lecture with Exercises)
- Ringvorlesung Simulationstechnologien (Lecture)
- Einführung in die Modellierung (Lecture)
- Simulationstechnik A (Lecture with Exercises)
Career
Since 2000: 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
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
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
since 2018: Principal investigator of the Cluster of Excellence EXC 2075 “Data-integrated Simulation Science” (Simtech) at the University of Stuttgart
since 2018: Spokesperson and 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
(Journal-) Articles
- 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), 297--341. https://doi.org/10.1007/s11242-022-01772-w
- 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), 115103. https://doi.org/10.1063/5.0069311
- 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), e20102. https://doi.org/10.1002/vzj2.20102
- 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
- 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), 1--22. https://doi.org/10.1080/07373937.2021.1955706
- 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
- 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
- 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
- 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
- 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
- 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), 337--361. https://doi.org/10.1007/s11242-019-01310-1
- 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
- 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), 5. https://doi.org/10.1007/s13137-019-0116-8
- 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
- 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
- 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), 1487--1502. https://doi.org/10.1007/s10596-018-9767-z
- 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
- 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
- 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
- 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
- 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
- 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
- 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.
- 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
- 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
- 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
- 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
- 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
- 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.
- 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
- 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
- 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
- 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), Article 1.
- 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), Article 1. https://www.math.ualberta.ca/ijnam/Volume-9-2012/No-1-12/2012-01-02.pdf
- Flemisch, B., Darcis, M., Erbertseder, K., Faigle, B., Lauser, A., Mosthaf, K., Müthing, S., Nuske, P., Tatomir, A., Wolff, M., & Helmig, R. (2011). DUMUX: DUNE for multi-phase, component, scale, physics, ... flow and transport in porous media. Advances in Water Resources, 34(9), Article 9. https://doi.org/10.1016/j.advwaters.2011.03.007
- 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
- Cao, Y., Helmig, R., & Wohlmuth, B. I. (2011). A two-scale operator-splitting method for two-phase flow in porous media. Advances in Water Resources, 34(12), Article 12. https://doi.org/10.1016/j.advwatres.2011.07.002
- 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), Article 8. https://doi.org/10.1016, j.advwaters.2011.04.021
- Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011). 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
- Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2011). An integrative approach to robust design and probabilistic risk assessment for CO2 storage in geological formations. Computational Geosciences, 15(3), Article 3. https://doi.org/10.1007/s10596-011-9224-8
- 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
- Helmig, R., Weiss, A., & Wohlmuth, B. I. (2009). Variational inequalities for modeling flow in heterogeneous porous media with entry pressure. Computational Geosciences, 13(3), Article 3. https://doi.org/10.1007/s10596-008-9125-7
- Kopp, A., Class, H., & Helmig, R. (2009). 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), Article 3. https://doi.org/10.1016/j.ijggc.2008.10.002
- Class, H., Ebigbo, A., Helmig, R., Dahle, H. K., Nordbotten, J. M., Celia, M. A., Audigane, P., Darcis, M., Ennis-King, J., Fan, Y., Flemisch, B., Gasda, S. E., Jin, M., Krug, S., Labregere, D., Naderi Beni, A., Pawar, R. J., Sbai, A., Thomas, S. G., … 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), Article 4. https://doi.org/10.1007/s10596-009-9146-x
- 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, Article 59.
- Papafotiou, A., Helmig, R., Schaap, J., Lehmann, P., Kaestner, A., Flühler, H., Neuweiler, I., Hassanein, R., Ahrenholz, B., Tölke, J., Peters, A., & 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), Article 9. https://doi.org/10.1016/j.advwatres.2007.09.006
- 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), Article 9. https://doi.org/10.1016/j.advwatres.2008.01.021
- Class, H., Helmig, R., & Neuweiler, I. (2008). Sequential coupling of models for contaminant spreading in the vadose zone. Vadose Zone Journal, 7(2), Article 2. https://doi.org/10.2136/vzj2007.0056
- Niessner, J., & Helmig, R. (2007). Multi-scale modeling of three-phase--three-component processes in heterogeneous porous media. Advances in Water Resources, 30(11), Article 11. https://doi.org/10.1016/j.advwatres.2007.05.008
- 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), Article 7. https://doi.org/10.1016/j.advwatres.2005.09.001
- 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 (01_02). 76(01_02), Article 01_02. https://doi.org/10.1016/j.jconhyd.2004.07.009
- 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 (No. 7). 28(7), Article 7. https://doi.org/10.1016/j.advwatres.2005.01.006
- Hilfer, R., & Helmig, R. (2004). Dimensional analysis and upscaling of two-phase flow in porous media with piecewise constant heterogeneities (No. 10). 27(10), Article 10. https://doi.org/10.1016/j.advwatres.2004.07.003
- Class, H., & Helmig, R. (2002). Numerical simulation of nonisothermal multiphase multicomponent processes in porous media - 2. Applications for the injection of steam and air (No. 5). 25(5), Article 5. https://doi.org/10.1016/S0309-1708(02)00015-5
- Helmig, R., & Huber, R. U. (1998). Comparison of Galerkin-type discretization techniques for two-phase flow in heterogeneous porous media (No. 8). 21(8), Article 8. https://doi.org/10.1016/S0309-1708(97)00023-7
- Helmig, R., & Zielke, W. (1996). Finite Elemente Simulation von Mehrphasenvorgängen im klüftigen Gestein. 1.
Monograhs
- Helmig, R., & Class, H. (2005). Grundlagen der Hydromechanik. Shaker Verlag.
Contributions to anthologies
- 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. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/HinkHel_TagHyd_2004.pdf
- 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. Springer-Verlag.
- 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. Springer-Verlag. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/saitama.ps.gz
Conference papers
- Köppl, T., Helmig, R., & Wohlmuth, B. I. (2015, October). 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.
- 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 (Vol. 99). GDMB Gesellschaft.
- Richter, T., Rudlof, S., Adjibadji, B., Bernlöhr, H., Grüninger, C., Munz, C.-D., Rohde, C., & Helmig, R. (2012, January). 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.
- 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. IAHS Redbook. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/S84REnzenhofer_review.pdf
- Oladyshkin, S., Class, H., Helmig, R., & Nowak, W. (2010). 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), Article EGU2010-3559.
- Troldborg, M., Nowak, W., Binning, P. J., Bjerg, P. L., & Helmig, R. (2009, September). 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.
- Helmig, R., Class, H., Darcis, M., Niessner, J., Erbertseder, K., Perfahl, H., & Reuss, M. (2008, November). 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.
- Flemisch, B., Fritz, J., Helmig, R., Niessner, J., & Wohlmuth, B. I. (2007). DUMUX: a multi-scale multi-physics toolbox for flow and transport processes in porous media. In A. Ibrahimbegovic & F. Dias (Eds.), ECCOMAS Thematic Conference on Multi-scale Computational Methods for Solids and Fluids, 28.11.2007 - 30.11.2007, Paris, France. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/cachan_flemisch.pdf
- Ochs, S. O., Class, H., & Helmig, R. (2006). Fortschritte bei der Entwicklung eines prognosefähigen numerischen Modells zur Simulation der Dampfinjektion in die gesättigte Bodenzone. In J. Braun & H.-P. & M. S. Koschitzky (Eds.), VEGAS - Statuskolloquium 2006, 28.09.2006 - 28.09.2006, Stuttgart (09_2006; Issue 09_2006).
- Helmig, R., Miller, C. T., Jakobs, H., Class, H., Hilpert, M., Kees, C. E., & Niessner, J. (2006, June). Multiphase Flow and Transport Modeling in Heterogeneous Porous Media. Progress in Industrial Mathematics at ECMI 2004, 21.06.2004 - 25.06.2004, Eindhoven University of Technology.
- Manthey, S., Oung, O., Hassanizadeh, S. M., & Helmig, R. (2004). Dynamic capillary pressure effects in two-phase flow in heterogeneous porous media. In C. T. Miller, W. F. Farthing, & W. G. & G. F. P. Gray (Eds.), 15. International Conference on Computational Methods in Water Resources, 13.06.2004 - 17.06.2004, Chapel Hill, North Carolina, USA (Vol. 1). Elsevier Science Publishers B.V.
- Hölzemann, S., Class, H., & Helmig, R. (2004). A New Concept for the Numerical Simulation and Parameter Identification of Multiphase Flow and Transport Processes in Cohesive Soils. In T. Schanz (Ed.), Unsaturated Soils: Numerical and Theoretical Approaches - Proceedings of the International Conference “From Experimental Evidence towards Numerical Modelling of Unsaturated Soils”, 18.09.2003 - 19.09.2003, Bauhaus-Universität Weimar. Springer-Verlag.
- Kobayashi, K., Hinkelmann, R., & Helmig, R. (2003). Comparison of different model concepts for gas-water processes in the subsurface. In J. & P. P. Ganoulis (Ed.), 30. IAHR Congress: Water Engineering and Research in a Learning Society, 24.08.2003 - 29.08.2003, Thessaloniki, Greece. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/Ken_IAHR_03.zip
- Sheta, H., Helmig, R., & Hinkelmann, R. (2003). Dreidimensionale numerische Simulation von Methangasmigrationen im Untergrund. Oberhausener Grubengas-Tage 2003 “CMM Technologie” Erfahrungen Und Aussichten in Deutschland Und International, 20.03.2003 - 21.03.2003, Oberhausen, 44, Article 44. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/sheta_oberhausen_2003.pdf
- Gebauer, S., Neunhäuserer, L., Kornhuber, R., Ochs, S. O., Hinkelmann, R., & Helmig, R. (2002). Equidimensional Modelling of Flow and Transport Processes in Fractured Porous Systems I. In S. M. Hassanizadeh, R. J. 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 (Vol. 1). Elsevier Science Publishers B.V. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/delft01.ps
- Class, H., Bielinski, A., & Helmig, R. (2002, October). CO2-Injektion in geologische Formationen - numerische Berechnungen und erste Überlegungen für großskalige Experimente in VEGAS. VEGAS Statuskolloquium, 12.10.2001, Universität Stuttgart.
- Paul, M., Stauffer, F., Hinkelmann, R., & Helmig, R. (2000). Calibration of a Water-Gas Flow Model for Dike Systems. In L. R. Bentley & W. C. G. & G. F. P. J.F. Sykes, C.A. Brebbia (Eds.), 13. International Conference on Computational Methods in Water Resources, 25.06.2000 - 29.06.2000, Calgary, Canada (Vol. 1). A.A. Balkema Publishers. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/cmwr00.ps.gz
- Helmig, R., Jakobs, H., Bastian, P., & Reichenberger, V. (2000, December). Gas Water Flow and Transport Processes in Fractured Porous Media. BMWi - BmBF - Unterauftrag Zum Vorhaben 02 E 9027 8.
- Bastian, P., Chen, Z., Ewing, R. E., Helmig, R., Jakobs, H., & Reichenberger, V. (2000). Numerical Simulation of Multiphase Flow in Fractured Porous Media. In Z. Chen & Z.-C. Ewing, R.E. & Shi (Eds.), International Workshop “Numerical Treatment of Multiphase Flows in Porous Media”, 02.08.1999 - 06.08.1999, Beijing, China. Springer-Verlag.
- Breiting, T., Hinkelmann, R., Manthey, S., & Helmig, R. (2000, October). Methanausbreitung im Untergrund. Beitrag Zum Darmstädter Wasserbauliches Kolloquium 99, 14.10.1999 - 15.10.1999, Technische Universität Darmstadt. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/dawako.ps.gz
- Helmig, R., Hinkelmann, R., & Menzel, K. (1999, December). Numerische Methoden und Informationsverarbeitung am Beispiel der Hydrosystemmodellierung. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/hinkelmann/MitBI.ps.gz
- Emmert, M., Helmig, R., & Bächle, W. (1997). Numerical Modelling of Steam Injection in a Vertical Sand-Filled Column. In J. Holly & et al. M. Forrest (Eds.), 27. IAHR Congress: Water for a Changing Global Community, 10.08.1997 - 15.08.1997, San Francisco, USA. ASCE.
- Schäfer, G., Helmig, R., & Le Thiez, P. (1996, December). Vergleich numerischer Methoden zur Simulation von LNAPL-Infiltrationsvorgängen in porösen Medien. Tagungsband ASIM ’96.
- Helmig, R., 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 (Vol. 2). A.A. Balkema Publishers.
- Helmig, R., 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 (Vol. 2). Kluver Academic Publisher.
- Zielke, W., Helmig, R., Kröhn, K. P., Shao, H., & Wollrath, J. (1991, December). Discrete Modelling of Transport Processes in Fractured Porous Rock. International Congress on Rock Mechanics.
Research Reports
- 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; Archive of Numerical Software, Issues 2017–1). https://doi.org/10.18419/opus-9360
- Kopp, A., Class, H., & Helmig, R. (2007). Treibhausgase in der Bodenfalle: Vol. 01_07 (Bericht No. 99; Issue 99). UNI-Kurier. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/Stuttgarter-UniKurier-Nr99-pg54-Juni2007-Treibhausgase_in_der_Bodenfalle.pdf
- Dogan, M. O., Class, H., & Helmig, R. (2007). Numerische Modellierung von Mehrphasenströmungs- und Transportprozessen bei der Sequestrierung von CO2 in geologischen Formationen (Bericht 09_2007; Vol. LH215, Issue 09_2007). https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/co2trap_wissenschaftlicher_bericht.pdf
- Helmig, R., 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” (Bericht 16/2007; Vol. LH217, Issue 16/2007).
- Kopp, A., Sheta, H., & Helmig, R. (2005). Parameterstudie zur Abschätzung erzielbarer Methangasmengen aus Gasproduktionsbohrungen mit Hilfe zweidimensionaler Strömungsmodellierung (Bericht 2005/10; Vol. LH207, Issue 2005/10).
- Assteerawatt, A., Bastian, P., Bielinski, A., Breiting, T., Class, H., Ebigbo, A., Eichel, H., Freiboth, S., Helmig, R., Kopp, A., Niessner, J., Ochs, S. O., Papafotiou, A., Paul, M., Sheta, H., & Ölmann, U. (2005). MUFTE-UG: Structure, Applications andNumerical Methods [Bericht]. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/IGWMC_newsletter_MUFTE.pdf
- 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 [Bericht]. https://www.iws.uni-stuttgart.de/publikationen/hydrosys/paper/bericht_dfg_04.pdf
- Breiting, T., Sheta, H., Kobayashi, K., Hinkelmann, R., & Helmig, R. (2004). Assessment of hazardous gas emission to the surface over former mined areas (Bericht 2004/11; Vol. LH203, Issue 2004/11).
- Sheta, H., Breiting, T., Hinkelmann, R., & Helmig, R. (2004). Dreidimensionale Modellierung von Methanmigrationsprozessen im Untergrund (Bericht 2004/03; Vol. LH202, Issue 2004/03).
- Ochs, S. O., Hinkelmann, R., & Helmig, R. (2003). Numerische Simulation von Gaspumpversuchen im Untergrund [Bericht].
- 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 (Bericht RR-4903; Issue RR-4903). https://www.inria.fr/rrrt/rr-4903.html
- Akuzun, S., Kobus, H., & Helmig, R. (2001). Parameteridentifikation für Doppelkontinuum-Modelle: Interpretation von Aquifertests in Karstaquiferen anhand synthetischer lokaler Kluftmmodelle (Bericht 2001/06; Vol. HG281, Issue 2001/06).
- Neunhäuserer, L., Hemminger, A., & Helmig, R. (1997). Festgestein-Aquiferanalog: Experimente und Modellierung, Teilprojekt 3: Einsatz von diskreten Modellansätzen (Bericht 1,He2531/1-1; Issues 1,He2531/1-1).
- Braun, C., Helmig, R., & Kobus, H. (1994). Untersuchung zur Grundwassergefährdung durch die Erweiterung der Kläranlage Tübingen (Bericht 1994/08; Vol. HG199, Issue 1994/08).
Talks
- R. Helmig, “Vom Gehirn zum Energiespeicher: Poröse Medien sind überall,” VHS Stuttgart: Fragen an die Wissenschaft, 13.11.2018, Stuttgart. Nov. 2018.
- R. Helmig, “Simulationen: die Welt besser verstehen? Strömung und Transport in porösen Medien,” Mintnight, Dietrich-Bonhoeffer-Gymnasium, 20.07.2018, Filderstadt. Jul. 2018.
- R. Helmig, “Grundwasser im Spannungsfeld konkurrierender Nutzungen des Untergrundes,” Ringvorlesung IZKT: Wasser: Lebensraum, Sehnsuchtsort, Ressource, 11.06.2018, Stuttgart. Jun. 2018.
- 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. Jun. 2018.
- 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. Dec. 2017.
- 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. Oct. 2017.
- 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. May 2017.
- 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. May 2017.
- 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. May 2017.
- 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. Mar. 2017.
- R. Helmig, “Der Weg zum Wassernetzwerk Baden-Württemberg,” Auftaktveranstaltung des Netzwerks Wasserforschung Baden-Württemberg, 14.01.2016, Stuttgart. Jan. 2016.
- 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. Dec. 2016.
- 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. Oct. 2016.
- 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. May 2016.
- 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. May 2016.
- R. Helmig and H. Class, “Kann Wasser den Berg hoch fließen?,” Kinderuni Weil der Stadt, 14.04.2016, Weil der Stadt. Apr. 2016.
- 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. Feb. 2016.
- 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. Jan. 2015.
- 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. Jan. 2015.
- 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. Feb. 2015.
- 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. Feb. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Mar. 2015.
- 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. Apr. 2015.
- 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. Apr. 2015.
- 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. Apr. 2015.
- 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. Apr. 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. May 2015.
- 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. Jun. 2015.
- 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. Jun. 2015.
- 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. Jun. 2015.
- 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. Jun. 2015.
- 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. Jul. 2015.
- 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. Jul. 2015.
- 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. Jul. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Aug. 2015.
- 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. Sep. 2015.
- 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. Sep. 2015.
- 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. Sep. 2015.
- 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. Sep. 2015.
- 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. Oct. 2015.
- 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. Oct. 2015.
- 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. Oct. 2015.
- 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. Oct. 2015.
- 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. Oct. 2015.
- 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. Oct. 2015.
- 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. Nov. 2015.
- 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. Nov. 2015.
- 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. Nov. 2015.
- 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. Nov. 2015.
- 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. Nov. 2015.
- 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. Nov. 2015.
- 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. Nov. 2015.
- 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. Dec. 2015.
- 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. Dec. 2015.
- 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. Dec. 2015.
- 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. Dec. 2015.
- 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. Dec. 2015.
- 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. Dec. 2014.
- 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. Feb. 2014.
- 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. Jan. 2014.
- 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. Jul. 2013.
- 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. Mar. 2013.
- 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. Feb. 2013. [Online]. Available: https://www.sciencedirect.com/science/article/pii/S0045782514004630
- 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. Jan. 2013.
- 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. Oct. 2012.
- R. Helmig, “Klimawandel und CO2 - kann CO2-Speicherung im Untergrund den Klimawandel abmildern?,” HIN-Kolloquium, Audi AG, 24.05.2012, Neckarsulm. May 2012.
- 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. May 2012.
- 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. Dec. 2011.
- 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. Nov. 2011.
- 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. Nov. 2011.
- 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. Jul. 2011.
- 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. Jul. 2011.
- 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. Feb. 2011.
- 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. Mar. 2011.
- 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. Mar. 2011.
- 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. Jan. 2011.
Current research projects
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TrinkXtrem: Adaptation strategies of public drinking water supply to extreme events
Duration: 02/2022 - 01/2025
Department: LH2
Leader: Rainer Helmig, Holger Class
Funding: BMBF -
EXC 2075: A data-integrated simulation approach for the cooling effect of leaves during urban heat waves
Duration: 10/2021 - 12/2023
Department: LH2
Leader: Rainer Helmig
Funding: DFG -
EXC 2075: Coupled flow, transport, and geochemical processes in fractures/fissures with a focus on geothermal and karstic systems
Duration: 10/2021 - 12/2024
Department: LH2
Leader: Rainer Helmig, Holger Class, Bernd Flemisch
Funding: DFG -
EXC 2075, PN 1-5: Dispersion concept for interface closures in the context of coupling free-flow and porous-media multiphase flow on the REV scale
Duration: 01/2020 - 06/2023
Department: LH2
Leaders: Rainer Helmig, Martin Schneider
Funding: DFG -
SFB1313, C02: Upscaling of pore-scale processes involving microstructural evolution
Duration: 01/2018 - 12/2025
Departments: LH2 und IANS
Leaders: Rainer Helmig, Christian Rohde, luliu Sorin Pop
Funding: DFG -
SFB 1313, A02: Advanced modelling concepts for coupling free flow with porous-media flow
Duration: 01/2018 - 12/2025
Departments: LH2 and ITLR
Leaders: Rainer Helmig, Bernhard Weigand
Funding: DFG -
GRK 2160 Dropit: Upscaling of coupled free-flow and porous-media-flow processes
Duration: 10/2016 - 09/2025
Department: LH2
Leader: Rainer Helmig, Carina Bringedal
Funding: DFG