期刊
COMPUTATIONAL MATHEMATICS AND MATHEMATICAL PHYSICS
卷 50, 期 10, 页码 1719-1733出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0965542510100088
关键词
rarefied gas; S-model; unstructured mesh; kinetic equation; implicit TVD scheme
The method based on the numerical solution of a model kinetic equation is proposed for analyzing three-dimensional rarefied gas flows. The basic idea behind the method is the use of a second-order accurate TVD scheme on hybrid unstructured meshes in physical space and a fast implicit time discretization method without iterations at the upper level. The performance of the method is illustrated by computing test examples of three-dimensional rarefied gas flows in variously shaped channels in a wide range of Knudsen numbers.
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