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000866737 1001_ $$0P:(DE-Juel1)165948$$aLintermann, A.$$b0$$ufzj
000866737 245__ $$aMassively parallel grid generation on HPC systems
000866737 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2014
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000866737 520__ $$aThe automatic grid generation on high performance computers is a challenging task under the restriction of computational power and memory availability. The increasing demand for high grid resolutions to simulate complex flow configurations necessitates parallel grid generation on multicore machines with distributed memory. In this study, a new robust algorithm to automatically generate hierarchical Cartesian meshes on distributed multicore HPC systems with multiple levels of refinement is presented. The number of cells is only restricted by the number of available cores and memory. The algorithm efficiently realizes a computational domain decompositioning for an arbitrary number of cores based on a Hilbert curve. The grids are efficiently stored and accessed via a high capacity parallel I/O method. The efficiency of the approach is demonstrated by considering human nasal cavity and internal combustion engine flow problems.
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000866737 7001_ $$0P:(DE-HGF)0$$aSchlimpert, S.$$b1
000866737 7001_ $$0P:(DE-HGF)0$$aGrimmen, J. H.$$b2
000866737 7001_ $$0P:(DE-HGF)0$$aGünther, C.$$b3
000866737 7001_ $$0P:(DE-HGF)0$$aMeinke, M.$$b4
000866737 7001_ $$0P:(DE-HGF)0$$aSchröder, W.$$b5
000866737 773__ $$0PERI:(DE-600)1501322-4$$a10.1016/j.cma.2014.04.009$$gVol. 277, p. 131 - 153$$p131 - 153$$tComputer methods in applied mechanics and engineering$$v277$$x0045-7825$$y2014
000866737 8564_ $$uhttp://linkinghub.elsevier.com/retrieve/pii/S0045782514001340
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