High performance solution of linear systems arising from conforming spectral approximations for non-conforming domain decompositions
Source1st International Workshop on Numerical Analysis and its Applications, WNAA 1996
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We apply a conforming spectral collocation technique to nonconforming domain decompositions. The resulting global matrices have a particular block structure. We study the performance of various direct methods of solution of the resulting linear system on a RS6000 workstation, a SGI Power Challenge and a Cray J-916 supercomputer. © Springer-Verlag Berlin Heidelberg 1997.