Parallel simulation of underground flow in porous and fractured media

Anthony Beaudoin (1) , Jean-Raynald de Dreuzy (2) , Jocelyne Erhel (1) , H. Mustapha (1)

1 SAGE - Simulations and Algorithms on Grids for Environment
2 GR - Géosciences Rennes

In this paper, we present a parallel software for solving linear flow equations in two kinds of subsurface media, a 2D highly heterogeneous porous medium and a 3D fracture network. Parallel computing allows us to solve very large linear systems improving the realism of simulations. For these two applications, we perform a scalability analysis of two parallel solvers : HYPRE and PSPASES. HYPRE is a parallel iterative solver based on a V-cycle multi-grid algorithm. PSPASES is a parallel direct solver based on the Cholesky factorization.

Domaines: Modélisation et simulation; Hydrologie; Milieux et Changements globaux

Anthony Beaudoin, Jean-Raynald de Dreuzy, Jocelyne Erhel, H. Mustapha. Parallel simulation of underground flow in porous and fractured media. Parallel Computing 2005, Sep 2005, Avignon, France. 8 p. ⟨hal-00114267⟩