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An efficient unstructured WENO method for supersonic reactive flows
Zhao WG; Zheng HW(郑洪伟); Liu FJ; Shi XT; Gao J; Hu N; Lv M; Chen SC; Zhao HD
2018-08-01
发表期刊ACTA MECHANICA SINICA
卷号34期号:4页码:623-631
ISSN0567-7718
摘要An efficient high-order numerical method for supersonic reactive flows is proposed in this article. The reactive source term and convection term are solved separately by splitting scheme. In the reaction step, an adaptive time-step method is presented, which can improve the efficiency greatly. In the convection step, a third-order accurate weighted essentially non-oscillatory (WENO) method is adopted to reconstruct the solution in the unstructured grids. Numerical results show that our new method can capture the correct propagation speed of the detonation wave exactly even in coarse grids, while high order accuracy can be achieved in the smooth region. In addition, the proposed adaptive splitting method can reduce the computational cost greatly compared with the traditional splitting method.
关键词Supersonic reactive flows Adaptive splitting scheme Unstructured grids WENO reconstruction
DOI10.1007/s10409-018-0756-1
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000438642800003
关键词[WOS]HYPERBOLIC CONSERVATION-LAWS ; RANDOM PROJECTION METHOD ; ESSENTIALLY NONOSCILLATORY SCHEMES ; FINITE-VOLUME SCHEMES ; STIFF REACTION TERMS ; HIGH-ORDER ACCURATE ; NUMERICAL-METHODS ; DETONATIONS ; EQUATIONS ; MESHES
WOS研究方向Engineering, Mechanical ; Mechanics
WOS类目Engineering ; Mechanics
项目资助者National Natural Science Foundation of China [51476152, 11302213, 11572336]
论文分区二类
力学所作者排名2
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77846
专题高温气体动力学国家重点实验室
作者单位1.[Zhao, Wen-Geng
2.Shi, Xiao-Tian
3.Gao, Jun
4.Hu, Ning
5.Lv, Meng
6.China Acad Aerosp & Aerodynam, Beijing 100074, Peoples R China
7.Chinese Acad Sci, LHD, Inst Mech, Beijing 100190, Peoples R China
8.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
9.AECC Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
10.Beijing Power Machinery Res Inst, Sci & Technol Scramjet Lab, Beijing 100074, Peoples R China
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GB/T 7714
Zhao WG,Zheng HW,Liu FJ,et al. An efficient unstructured WENO method for supersonic reactive flows[J]. ACTA MECHANICA SINICA,2018,34(4):623-631.
APA Zhao WG.,郑洪伟.,Liu FJ.,Shi XT.,Gao J.,...&Zhao HD.(2018).An efficient unstructured WENO method for supersonic reactive flows.ACTA MECHANICA SINICA,34(4),623-631.
MLA Zhao WG,et al."An efficient unstructured WENO method for supersonic reactive flows".ACTA MECHANICA SINICA 34.4(2018):623-631.
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