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dc.contributor.authorWu, JSen_US
dc.contributor.authorLian, YYen_US
dc.date.accessioned2014-12-08T15:40:21Z-
dc.date.available2014-12-08T15:40:21Z-
dc.date.issued2003-09-01en_US
dc.identifier.issn0045-7930en_US
dc.identifier.urihttp://dx.doi.org/10.1016/S0045-7930(02)00083-Xen_US
dc.identifier.urihttp://hdl.handle.net/11536/27555-
dc.description.abstractThe development of a parallel three-dimensional direct simulation Monte Carlo (DSMC) method using unstructured cells is reported. Variable hard sphere molecular model and no time counter method are used for the molecular collision kinetics, while the cell-by-cell ray-tracing technique is implemented for particle movement. Developed serial code has been verified by comparing the results of a supersonic corner flow with those of Bird's three-dimensional structured DSMC code. In addition, a benchmark test is performed for an orifice expanding flow to verify the parallel implementation of DSMC method by comparing with available experimental data. Static physical domain decomposition is used to distribute the workload among multiple processors by considering the estimated particle weighting distribution. Two-step multi-level graph partitioning technique is used to perform the required domain decomposition. Completed code is then applied to compute a hypersonic flow over a sphere (external flow) and the flow field of a spiral drag pump (internal flow), respectively. Results of the former are in good agreement with previous numerical results using axisymmetric DSMC method and experimental data. Results of the latter also agree well with previous numerical results. (C) 2002 Elsevier Science Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.titleParallel three-dimensional direct simulation Monte Carlo method and its applicationsen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/S0045-7930(02)00083-Xen_US
dc.identifier.journalCOMPUTERS & FLUIDSen_US
dc.citation.volume32en_US
dc.citation.issue8en_US
dc.citation.spage1133en_US
dc.citation.epage1160en_US
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
dc.identifier.wosnumberWOS:000181699000005-
dc.citation.woscount25-
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