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DTSTAMP:20190311T155308
UID:62021d2c-440d-11e9-a578-000e0c3db68b
SUMMARY:Mixed Finite Elements and Operator Splitting For Flow and Transport Around a Deep Nuclear Repository
DESCRIPTION:"The aim of my thesis is to model and develop numerical tools adapted to study underground water flow and the propagation of pollutants in a porous medium. The main motivation of this work is a benchmark from GDR Momas and Andra to simulate the 3-D propagation of radionuclides around a deep disposal of nuclear waste. Firstly, we construct a new mixed  finite elements method suitable for general hexahedral meshes. Convergence of the method is proved and shown in numerical experiments. Secondly, we present a method of time dicretisation for the advection equation which allows for the use of different time steps in different subdomains in order to take into account of strong heterogeneities. Finally a numerical method for the calculation of the transport of contaminants is proposed. The techniques above were implemented in a 3-D code and simulation results are shown on the 3-D far field benchmark from GDR Momas and Andra." 
DTSTART;TZID=Europe/Berlin:20071030T160000
DTEND;TZID=Europe/Berlin:20071030T173000
LOCATION:Pfaffenwaldring 61, Raum U1.003 (MML), Universität Stuttgart, , , , 
URL;VALUE=URI:https://www.iws.uni-stuttgart.de/institut/aktuelles/veranstaltung/Mixed-Finite-Elements-and-Operator-Splitting-For-Flow-and-Transport-Around-a-Deep-Nuclear-Repository/
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