Application of model kinetic equations to hypersonic rarefied gas flows

被引：34
|
作者：
Titarev, V. A. [1 ,2 ]
机构：
[1] RAS, Fed Res Ctr Comp Sci & Control, Moscow, Russia
[2] Moscow Inst Phys & Technol, Moscow, Russia
来源：
COMPUTERS & FLUIDS | 2018年 / 169卷
基金：
俄罗斯基础研究基金会;
关键词：
S-model; BGK model; Rarefied; Hypersonic; Re-entry; Parallel computing; Unstructured mesh; Intel Xeon Phi; UNSTRUCTURED MESHES; PARALLEL; IMPLEMENTATION; SIMULATION; CONTINUUM; SCHEMES;
D O I：
10.1016/j.compfluid.2017.06.019
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The paper is devoted to the further development of the numerical methods to solve model kinetic equations and their application to hypersonic rarefied gas flows. Firstly, we verify the accuracy of the approach by comparing our results with the well resolved DMSC calculations for argon and nitrogen. Secondly, computation of an external flow over a model winged re-entry vehicle with orbital free-stream velocity and 100 km altitude is shown. Influence of the spatial mesh type is studied. Finally, scalability of the implicit kinetic solver is demonstrated for up to 256 nodes. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：62 / 70
页数：9
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