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Application of a Parallel Equation Solver to Static FEM Problems


Goehlich, D.; Komzsik, L.; Fulton, R.E. (1989) Computers and Structures, Vol. 31, No. 2, 121-129.


Mathematical Techniques, Finite Element Method, Computer Programming - Applications, Stresses - Analysis, Computer Software, Computer Systems, Digital - Parallel Processing, Static Stress Analysis, Software Package Msc/Nastran, Parallel Equation Solver, Triangular Decomposition Approach


This paper reports on a study carried out on the development, evaluation, and implementation of a parallel equation solver for finite element problems. A triangular decomposition approach was used and good parallel processing performance was obtained on a FLEX/32 multicomputer using up to seven processors. The parallel program was incorporated in MSC/NASTRAN and tested for several static stress analysis demonstration problems on CRAY X-MP, IBM 3090 and ALLIANT computers with up to four processors. It was shown that a parallel processing approach can significantly reduce execution time for large scale finite element problems.