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Multifrontal vs frontal techniques for chemical process simulation on supercomputers

delete1996-06-01
delete16
PRE
AI
S
Stephen E. Zitney
J
Jayarama U. Mallya
T
Timothy A. Davis
S
Stadtherr, MA
DOI：10.1016/0098-1354(95)00198-0delete
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Abstract

Abstract

En 中文
A critical computational step in large-scale process simulation using rigorous equation-based models is the solution of a sparse linear equation system. Traditional sparse solvers based on indirect addressing are not effective on supercomputers because they do not vectorize well. By relying on vectorized dense matrix kernels, the multifrontal and frontal methods provide much better performance, as demonstrated using several examples. These examples are also used to compare the performance of frontal and multifrontal solvers. On problems with good initial matrix orderings the frontal method is most effective, while without a good initial ordering the multifrontal method is attractive.
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Journal

C
Computers and Chemical Engineering
IF:
3.9
Papers:
8.1K
Citations:
1.7W

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