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Parallel Extrapolation Methods and Their Application in Chemical Engineering

Please always quote using this URN: urn:nbn:de:0297-zib-3387
  • We study the parallelization of linearly--implicit extrapolation methods for the solution of large scale systems of differential algebraic equations arising in a method of lines (MOL ) treatment of partial differential equations. In our approach we combine a slightly overlapping domain decomposi tion together with a polynomial block Neumann preconditioner. Through the explicit computation of the matrix products of the pre conditioner and the system matrix a significant gain in overall efficiency is achieved for medium--sized problems. The parallel algorithm exhibits a good scalability up to 32 proces sors on a Cray T3E. Preliminary results for computations on a workstation cluster are reported.

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Metadaten
Author:Ulrich Nowak, Rainald Ehrig, Lars Oeverdieck
Document Type:ZIB-Report
Date of first Publication:1997/12/19
Series (Serial Number):ZIB-Report (SC-97-69)
ZIB-Reportnumber:SC-97-69
Published in:Appeared in: High-Performance Computing and networking. Lecture Notes in Computer Science 1401, P. Sloot, M. Bubak, B. Hertzberger eds., 1998, 419-428
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