This paper describes a new parallel algorithm for solving multiphysics problems. These kind of problems are very demanding in terms of CPU time and memory space, which are typically not available on a single processor. Using domain decomposition techniques it is possible to divide the original computational domain into subdomains, which need less memory and may be distributed onto the processors of a parallel computer. In this work, we introduce a hybrid domain decomposition, which uses nonoverlapping as well as overlapping partitions. The solution algorithm is a combination of the alternating Schwarz method and a block Gauss - Seidel scheme. This algorithm has been used to parallelize a Finite Element program able to calculate coupled thermomechanical problems, using a staggered solution strategy. Tests of the parallel algorithm with a realistic example show a rather good speed up. © Springer-Verlag Berlin Heidelberg 2003.
CITATION STYLE
Adamidis, P. A., & Resch, M. M. (2003). Parallel coupled thermomechanical simulation using hybrid domain decomposition. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2667, 472–482. https://doi.org/10.1007/3-540-44839-x_51
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