Study of a finite volume - finite element scheme for a nuclear transport model

Details Study of a finite volume - finite element scheme for a nuclear transport model Study of a finite volume - finite element scheme for a nuclear transport model

2007-04-10

arxiv.org/abs/0704.1286v1

Mathematics

Numerical Analysis

preprint; 26 pages; no figures

Scientific paper

We consider a problem of nuclear waste contamination. It takes into account the thermal effects. The temperature and the contaminant's concentration fulfill convection-diffusion-reaction equations. The velocity and the pressure in the flow satisfy the Darcy equation, with a viscosity depending on both concentration and temperature. The equations are nonlinear and strongly coupled. Using both finite volume and nonconforming finite element methods, we introduce a scheme adapted to this problem. We prove the stability and convergence of this scheme and give some error estimates.

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