Dr.-Ing. Christoph Lehmann
Research Interests
- Automated simulation workflows for safety assessments of potential nuclear waste repositories
- Development of the finite element code OpenGeoSys
- Finite element methods for coupled thermo-hydro-mechanical-chemical processes
Current Projects
- OpenWorkFlow
- SUTOGS
Publications (
ORCiD)
Index:
You could use our publication index for further requests.
2025 (6)
- Bilke, L., Naumov, D., Fischer, T., Wang, W., Mollaali, M., Buchwald, J., Jäschke, M., Lehmann, C., Berger, F., Grunwald, N., Meisel, T., Zill, F., Stehling, T.D., Vehling, F., Nagel, T., Silbermann, C., Selzer, P., Shukla, D., Kiszkurno, F.K., Tecklenburg, J. (2025):
OpenGeoSys
Version: 6.5.6 Zenodo 10.5281/zenodo.17162299 - Bilke, L., Naumov, D., Wang, W., Fischer, T., Kiszkurno, F.K., Lehmann, C., Jäschke, M., Zill, F., Buchwald, J., Grunwald, N., Kessler, K., Aubry, L., Dörnbrack, M., Nagel, T., Ahrendt, L., Kaiser, S., Meisel, T. (2025):
OpenGeoSys
Version: 6.5.4 Zenodo 10.5281/zenodo.13685289 - Heinze, J., Lehmann, C., Meisel, T., Rink, K., Kreye, P., Renz, A., Zeunert, S., Rühaak, W. (2025):
Combining FEFLOW and OpenGeoSys for interoperable workflows in environmental geotechnics
Environ. Earth Sci. 84 (16), art. 457 10.1007/s12665-025-12380-4 - Lehmann, C., Bilke, L., Graebling, N., Heinze, J., Meisel, T., Naumov, D., Sen, Ö.O., Kolditz, O. (2025):
Software products from the OpenWorkFlow project
EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025
EGUsphere
Copernicus Publications, EGU25-15544 10.5194/egusphere-egu25-15544 - Naumov, D., Bilke, L., Buchwald, J., Wang, W., Jäschke, M., Fischer, T., Meisel, T., Lehmann, C., Shao, H., Kiszkurno, F.K., Zill, F., Kessler, K., You, T., Mollaali, M., Selzer, P., Sheng, H., Thiedau, J. (2025):
OpenGeoSys
Version: 6.5.5 Zenodo 10.5281/zenodo.15496721 - Zill, F., Bilke, L., Meisel, T., Heinze, J., Kiszkurno, F.K., Kern, D., Jäschke, M., Lehmann, C. (2025):
OGSTools
Version: 0.7.0 Zenodo 10.5281/zenodo.15804988
2024 (6)
- Bilke, L., Naumov, D., Wang, W., Fischer, T., Lehmann, C., Buchwald, J., Shao, H., Kiszkurno, F.K., Heinze, J., Chen, C., Silbermann, C., Radeisen, E., Zill, F., Loer, F., Kessler, K., Ghasebeh, M. (2024):
OpenGeoSys
Version: 6.5.1 Zenodo 10.5281/zenodo.10890088 - Lehmann, C., Bilke, L., Buchwald, J., Graebling, N., Grunwald, N., Heinze, J., Meisel, T., Lu, R., Naumov, D., Rink, K., Sen, Ö.O., Selzer, P., Shao, H., Wang, W., Zill, F., Nagel, T., Kolditz, O. (2024):
OpenWorkFlow — Development of an open-source synthesis-platform for safety investigations in the site selection process
Grundwasser 29 (1), 31 - 47 10.1007/s00767-024-00566-9 - Naumov, D., Bilke, L., Lehmann, C., Fischer, T., Wang, W., Shao, H., Buchwald, J., Rink, K., Chen, C., Mollaali, M., Kessler, K., Jäschke, M. (2024):
OpenGeoSys
Version: 6.5.3 Zenodo 10.5281/zenodo.13685289 - Naumov, D., Bilke, L., Lehmann, C., Fischer, T., Wang, W., Silbermann, C., Thiedau, J., Selzer, P. (2024):
OpenGeoSys
Version: 6.5.2 Zenodo 10.5281/zenodo.11652195 - Selzer, P., Shao, H., Behrens, C., Lehmann, C., Seydewitz, R., Lu, R., Kreye, P., Rühaak, W., Kolditz, O. (2024):
The value of simplified models of radionuclide transport for the safety assessment of nuclear waste repositories: A benchmark study
J. Contam. Hydrol. 267 , art. 104417 10.1016/j.jconhyd.2024.104417 - Shao, H., Selzer, P., Behrens, C., Lehmann, C., Kreye, P., Rühaak, W., Kolditz, O. (2024):
Validation and benchmarking of simplified reactive transport models of radionuclides for the assessment of nuclear waste repositories
EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024
EGUsphere
Copernicus Publications, EGU24-6036 10.5194/egusphere-egu24-6036
2023 (4)
- Bilke, L., Dominik, K., Lehmann, C. (2023):
OGSTools
Version: 0.0.3 10.5281/zenodo.10912874 - Bilke, L., Lehmann, C., Naumov, D., Fischer, T., Wang, W., Buchwald, J., Rink, K., Grunwald, N., Zill, F., Kiszkurno, F.K., Mollaali, M., Nagel, T., Thiedau, J., Gerasimov, T., Ziaei-Rad, V., Kurgyis, K., Lu, R., Silbermann, C., Heinze, J., Vehling, F., Meng, B., Yoshioka, K., You, T., Chaudrhy, A., Shao, H., Günther, L., Kantzenbach, M., Kolditz, O., Meisel, T. (2023):
OpenGeoSys
Version: 6.4.4 Zenodo 10.5281/zenodo.7716938 - Naumov, D., Bilke, L., Fischer, T., Lehmann, C., Wang, W., Heinze, J., Chen, C., Silbermann, C., Kiszkurno, F.K., Buchwald, J., Rink, K., Nagel, T., Meisel, T., Gerasimov, T., Loer, F., Mollaali, M., You, T., Shil, J.B., Chen, S., Selzer, P., Shao, H., Kessler, K., Ghasebeh, M. (2023):
OpenGeoSys
Version: 6.5.0 Zenodo 10.5281/zenodo.2600042 - Rink, K., Graebling, N., Bilke, L., Buchwald, J., Fischer, T., Lehmann, C., Meisel, T., Naumov, D., Wang, W., Yoshioka, K., Kolditz, O. (2023):
Hydro-mechanical effects and cracking in Opalinus clay
In: Kolditz, O., Yoshioka, K., Cajuhi, T., Günther, R.-M., Steeb, H., Wuttke, F., Nagel, T. (eds.)
GeomInt - Discontinuities in geosystems from lab to field scale
SpringerBriefs in Earth System Sciences
Springer International Publishing, Cham, p. 77 - 89 10.1007/978-3-031-26493-1_5
2022 (3)
- Bilke, L., Fischer, T., Naumov, D., Lehmann, C., Lu, R., Meng, B., Rink, K., Grunwald, N., Buchwald, J., Silbermann, C., Habel, R., Günther, L., Mollaali, M., Randow, J., Meisel, T., Einspänner, S., Shao, H., Garibay-Rodriguez, J., Kurgyis, K., Kolditz, O. (2022):
OpenGeoSys
Version: 6.4.3 Zenodo 10.5281/zenodo.7092676 - Bilke, L., Fischer, T., Naumov, D., Wang, W., Lehmann, C., Lu, R., Grunwald, N., Meng, B., Buchwald, J., Zill, F., Silbermann, C., Rink, K., Bathmann, J., Kern, D., Yoshioka, K., Kiszkurno, F.K., Garibay-Rodriguez, J., You, T., Randow, J., Meisel, T., Chaudrhy, A., Pitz, M., Chen, S., Nagel, T. (2022):
ufz/ogs: 6.4.2
Version: 6.4.2 Zenodo 10.5281/zenodo.6405711 - Grunwald, N., Lehmann, C., Maßmann, J., Naumov, D., Kolditz, O., Nagel, T. (2022):
Non-isothermal two-phase flow in deformable porous media: systematic open-source implementation and verification procedure
Geomech. Geophys. Geo-Energy Geo-Resour. 8 (3), art. 107 10.1007/s40948-022-00394-2
2020 (1)
- Parisio, F., Lehmann, C., Nagel, T. (2020):
A model of failure and localization of basalt at temperature and pressure conditions spanning the brittle‐ductile transition
J. Geophys. Res.-Solid Earth 125 (11), e2020JB020539 10.1029/2020JB020539
2019 (1)
- Lehmann, C., Kolditz, O., Nagel, T. (2019):
Modelling sorption equilibria and kinetics in numerical simulations of dynamic sorption experiments in packed beds of salt/zeolite composites for thermochemical energy storage
Int. J. Heat Mass Transf. 128 , 1102 - 1113 10.1016/j.ijheatmasstransfer.2018.09.042
2018 (1)
- Lehmann, C., Kolditz, O., Nagel, T. (2018):
Models of thermochemical heat storage
SpringerBriefs in Energy
Springer, XVII, 89 pp. 10.1007/978-3-319-71523-0
2017 (4)
- Lehmann, C., Beckert, S., Gläser, R., Kolditz, O., Nagel, T. (2017):
Assessment of adsorbate density models for numerical simulations of zeolite-based heat storage applications
Appl. Energy 185 (Part 2), 1965 - 1970 10.1016/j.apenergy.2015.10.126 - Lehmann, C., Beckert, S., Nonnen, T., Gläser, R., Kolditz, O., Nagel, T. (2017):
Water loading lift and heat storage density prediction of adsorption heat storage systems using Dubinin-Polanyi theory—Comparison with experimental results
Appl. Energy 207 , 274 - 282 10.1016/j.apenergy.2017.07.008 - Lehmann, C., Beckert, S., Nonnen, T., Möllmer, J., Gläser, R., Kolditz, O., Nagel, T. (2017):
A comparison of heat storage densities of zeolite granulates predicted by the Dubinin-Polanyi theory to experimental measurements
Energy Procedia 105 , 4334 - 4339 10.1016/j.egypro.2017.03.909 - Semprini, S., Lehmann, C., Beckert, S., Kolditz, O., Gläser, R., Kerskes, H., Nagel, T. (2017):
Numerical modelling of water sorption isotherms of zeolite 13XBF based on sparse experimental data sets for heat storage applications
Energy Conv. Manag. 150 , 392 - 402 10.1016/j.enconman.2017.08.033
2016 (3)
- Lehmann, C., Nagel, T. (2016):
THC processes in energy systems
In: Kolditz, O., Görke, U.-J., Shao, H., Wang, W., Bauer, S. (eds.)
Thermo-hydro-mechanical-chemical processes in fractured porous media: Modelling and benchmarking. Benchmarking initiatives
Terrestrial Environmental Sciences
Springer Nature, Cham, p. 211 - 217 10.1007/978-3-319-29224-3_12 - Nagel, T., Beckert, S., Lehmann, C., Gläser, R., Kolditz, O. (2016):
Multi-physical continuum models of thermochemical heat storage and transformation in porous media and powder beds—a review
Appl. Energy 178 , 323 - 345 10.1016/j.apenergy.2016.06.051 - Naumov, D., Bilke, L., Fischer, T., Lehmann, C., Rink, K., Walther, M., Wang, W., Watanabe, N. (2016):
Appendix B : ogs6 overview
In: Kolditz, O., Görke, U.-J., Shao, H., Wang, W., Bauer, S. (eds.)
Thermo-hydro-mechanical-chemical processes in fractured porous media: Modelling and benchmarking. Benchmarking initiatives
Terrestrial Environmental Sciences
Springer Nature, Cham, p. 223 - 227 10.1007/978-3-319-29224-3