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DFG Research Unit FG 581: Sub-Project TP2 Numerical Simulation of Two-phase Flow Processes in the Subsurface during the Movement of Natural Slopes

Project head
Prof. Dr.-Ing. R. Hinkelmann Prof. Dr.-Ing. R. Helmig (Institut für Wasserbau, Universität Stuttgart)
Scientific assistant
Dipl.-Ing. L. Stadler
Project period
01.01.09 - 31.12.11
Funding
DFG - Deutsche Forschungsgemeinschaft
Project partner
Institut für Wasserbau, Universität Stuttgart

Poster

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The aim of this sub-project is to further develop model concepts for the simulation of flow and transport processes in macro-porous soils on different scales. The concepts will be validated with experiments from the laboratory and field (Heumoes slope). The transfer to larger scales is first planned bottom-up increasing the complexity of the geometry and the parameter fields. A special emphasis will be put on the transferability of the exchange parameters from SP 4 (laboratory) to larger scales in combination with the methods from SP 1 (geostatistical macropore generation) and SP 5 (geophysical estimation of parameter fields). Furthermore, the enhancement of the surface run-off model and the coupling between the surface run-off, infiltration, subsurface flow and deformation models is planed in a close cooperation with the central sub-project and SP3 to simulate the whole process chain. Finally, bottom-up and top-down approaches will be combined to an optimal model complexity with its necessary data requirement to apply a model of optimal complexity for practical engineering purposes.

Further information are found at: http://www.grosshang.de/

Vergleich der Infiltrationsfront Experiment (links) und Modell (rechts) nach 10 Minuten (Halbtonnenexperiment Q375 TP 4)
Lupe
Lösung der Flachwassergleichung für trocken fallende und wieder benetzte Gebiete
Lupe
study of infiltration at a section of a slope
Lupe

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