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Gas phase appearance and disappearance as a problem with complementarity constraints
Ibtihel Ben Gharbia 1, Jérôme Jaffré 1
(2011-11)

The modeling of migration of hydrogen produced by the corrosion of the nuclear waste packages in an underground storage including the dissolution of hydrogen involves a set of nonlinear partial differential equations with nonlinear complementarity constraints. This article shows how to apply a modern and efficient solution strategy, the Newton-min method, to this geoscience problem and investigates its applicability and efficiency. In particular, numerical experiments show that the Newton-min method is quadratically convergent for this problem.
1:  ESTIME (INRIA Paris-Rocquencourt)
INRIA
Estime
Computer Science/Modeling and Simulation

Mathematics/Analysis of PDEs

Mathematics/Numerical Analysis

Environmental Sciences
Porous media – two-phase flow – dissolution – nuclear waste underground storage – nonlinear complementarity problem – non-smooth function – Newton-min
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