Simulation of a Compressible Flow by the Finite Element Method Using a General Parallel Computing Approach

Chambarel, André; Bolvin, Hervé

doi:10.1007/3-540-46043-8_93

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2005

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“…As the global mass matrix is diagonal, its inversion is an easy process. The size of the global vector of unknowns is optimized by the use of an expert multigrid system called AMS (see [7] and [8]). On the whole, a high performance level is obtained both in terms of CPU and storage costs.…”

Section: Structure Of the Codementioning

confidence: 99%

Simulation of Transient Mechanical Wave Propagation in Heterogeneous Soils

Mesgouez

Lefeuve-Mesgouez

Chambarel

2005

Lecture Notes in Computer Science

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A Finite Element Method using a C++ code is developed to study the mechanical wave propagation in saturated porous soils. The modelization uses the complete Biot theory including the couplings between the solid and fluid phases. A matrix-free algorithm and a selection data technique are implemented in the code. Researches are focused on homogeneous and heterogeneous semi-infinite media in the case of transient regimes. The time domain results present the displacements over and within the half-space. In particular, we will see that the fluid wave front is strongly dependent on the proportion of heterogeneities in the ground.

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Section: Structure Of the Codementioning

confidence: 99%