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Vývoj efektivního paralelního BDDC řešiče pro úlohy lineární pružnosti
Šístek, Jakub ; Čertíková, Marta ; Burda, P. ; Neumanová, E. ; Pták, Svatopluk ; Novotný, Jaroslav ; Damašek, Alexandr
Our goal is to develop an efficient implementation of the BDDC method, which could be used fo solution of large problems of today's computational mechanics and structural analysis. A parallel approach is necessary for the usage of powerfull computer resources. We present results of computations of practical problems in 3D elasticty.
Aplikace metody dekompozice domén BDDC na výpočet napětí v konstrukcích
Šístek, Jakub ; Čertíková, Marta ; Novotný, Jaroslav ; Burda, P. ; Damašek, Alexandr
We deal with the Balancing domain decomposition with constraints method (BDDC) applied to 3D elasticity. Theoretical framework is recalled in the first part. The second part describes implementation of the method on parallel computers. Several numerical results of practical problems of structural analysis are presented.
Aplikace metody BDDC v úlohách lineární elasticity
Burda, P. ; Čertíková, M. ; Damašek, Alexandr ; Neumanová, E. ; Novotný, Jaroslav ; Šístek, J.
Balancing Domain Decomposition with Constrained Energy Minimization (BDDC) derives benefit from the synergy effect between substructuring methods and multigrid approaches to preconditioning. It has been shown in several studies, that this method posseses very good properties and is competitive with FETI and FETI-DP methods, which could be mentioned among leading algorithms in the field of unstructured meshes decomposition for solving partial differential equations.

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