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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 38
Edited by: B.H.V. Topping
Paper VII.5

Load Balancing in Parallel Adaptive Finite Element Computations

L. Laemmer and U. Meissner

Technical University of Darmstadt, Darmstadt, Germany

Full Bibliographic Reference for this paper
L. Laemmer, U. Meissner, "Load Balancing in Parallel Adaptive Finite Element Computations", in B.H.V. Topping, (Editor), "Advances in Computational Structures Technology", Civil-Comp Press, Edinburgh, UK, pp 265-271, 1996. doi:10.4203/ccp.38.7.5
The application of the non-overlapping domain decomposition method to finite element problems involves the partitioning of the complex geometry into an appropriate number of disjoint subdomains and the solution of the local and the global problem. In terms of finite element discretisation the partitioning is based on an element distribution. Automatic domain partitioning ensures a balanced distribution according to the expected computational effort spent in the assembly and solution steps of the finite element procedure. The load balance is destroyed in adaptive finite element computations with a-posteriori error estimation and local mesh refinement procedures. A dynamic load balancing method was implemented based on the multistage diffusion method. The parallelization of the finite element method is described with emphasise on the adaptive load balancing and an example is given.

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