IMECH-IR  > 力学所知识产出(1956-2008)
Validation of a hybrid grid scheme of DSMC in simulating three-dimensional rarefied gas flows
Liu HL(刘宏立); Fan J(樊菁); Shen Q(沈青); Liu, HL (reprint author), Chinese Acad Sci, Inst Mech, Lab High Temp Gas Dynam, Beijing 100080, Peoples R China.
Source PublicationRAREFIED GAS DYNAMICS
2003
Conference Name23rd International Symposium on Rarefied Gas Dynamics
Conference DateJUL 20-25, 2002
Conference PlaceWHISTLER, CANADA
AbstractA hybrid grid scheme is employed in a new version of position element algorithm of the direct simulation Monte Carlo (DSMC) method. The computational domain is divided into uniform rectangular grids to track molecular trajectories efficiently, whereas the body surface is described accurately in a style similar to the unstructured grid technique. This scheme has been applied to hypersonic rarefied gas flows past a sphere and impingement of plume on a flat plate. The calculated results are compared with the experimental data of drag coefficients and density distributions along the stagnation line for the case of sphere, and with distributions of pressure, shear stress and heat flux along the plate surface for the case of plume impingement. Good agreement validates the efficiency and accuracy of the scheme in simulating 3-D rarefied gas flows.
WOS IDWOS:000183372100048
ISBN0-7354-0124-1
Indexed ByCPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58933
Collection力学所知识产出(1956-2008)
Corresponding AuthorLiu, HL (reprint author), Chinese Acad Sci, Inst Mech, Lab High Temp Gas Dynam, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Liu HL,Fan J,Shen Q,et al. Validation of a hybrid grid scheme of DSMC in simulating three-dimensional rarefied gas flows[C]RAREFIED GAS DYNAMICS,2003.
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