Implementation of a Sparse Matrix Solver for the VAST Finite Element Program

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Authors
  1. Jiang, L.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
This report describes implementation of a sparse direct matrix solver, which was recently developed at DREA, into the VAST finite element program for linear and nonlinear static analyses. The procedures utilized and the new developments required in this implementation are presented in detail. Extensive numerical verifications have bneen conducted using test problems of various sizes. The numerical results indicated that the sparse solver produced identical finite element solutions as the skyline based direct solver, but required significiantly less computation time. These benchmark problems and results are documented in this report.

Il y a un résumé en français ici.

Keywords
Direct solvers;Sparse solvers;Matrix factorisation
Report Number
DREA-CR-2002-026 — Contractor Report
Date of publication
01 Mar 2002
Number of Pages
34
DSTKIM No
CA021486
CANDIS No
518206
Format(s):
CD ROM

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