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Vectorized poisson solvers for the Navier–Stokes equations

✍ Scribed by S. W. Armfield

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
854 KB
Volume
17
Category
Article
ISSN
0271-2091

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✦ Synopsis

The advent of vector and massively parallel computers offers researchers the possibility of enormous gains in execution time for scientific and engineering programs. From the numerical point of view, such programs are frequently based on the inversion of sparse, diagonally banded matrices. Conventional scalar solvers often perform poorly on vector machines due to short effective vector lengths, and thus appropriate methods must be chosen for use with vector machines. In this paper a number of commonly used solvers are tested for the Navier-Stokes equations, in both scalar and vector form, on two vector architecture machines. A new method is presented which performs well in both vector and scalar form on a range of vector architectures.

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