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An improved unstructured WENO method for compressible multi-fluids flow
Zheng HW(郑洪伟); Zhao WG(赵文赓); Zheng, HW (reprint author), Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
2016
Volume82Issue:3Pages:113-129
ISSN0271-2091
AbstractAn improved high-order accurate WENO finite volume method based on unstructured grids for compressible multi-fluids flow is proposed in this paper. The third-order accuracy WENO finite volume method based on triangle cell is used to discretize the governing equations. To have higher order of accuracy, the P1 polynomial is reconstructed firstly. After that, the P2 polynomial is reconstructed from the combination of the P1. The reconstructed coefficients are calculated by analytical form of inverse matrix rather than the numerical inversion. This greatly improved the efficiency and the robustness. Four examples are presented to examine this algorithm. Numerical results show that there is no spurious oscillation of velocity and pressure across the interface and high-order accurate result can be achieved. Copyright (c) 2016 John Wiley & Sons, Ltd.
KeywordCompressible Multi-fluid Flows Weno Finite Volume Method High-order Accuracy Unstructured Grids
DOI10.1002/fld.4210
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000382809500001
WOS Keywordcompressible multi-fluid flows ; WENO ; finite volume method ; high-order accuracy ; unstructured grids
WOS Research AreaComputer Science ; Mathematics ; Mechanics ; Physics
WOS SubjectComputer Science, Interdisciplinary Applications ; Mathematics, Interdisciplinary Applications ; Mechanics ; Physics, Fluids & Plasmas
Funding OrganizationThis research work was supported by the Natural Science Foundation for the Youth of China under Grant 11202220 and Youth Innovation Promotion Association of CAS (2013015).
DepartmentLHD气动布局优化与计算方法
ClassificationQ3
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59741
Collection高温气体动力学国家重点实验室
Corresponding AuthorZheng, HW (reprint author), Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zheng HW,Zhao WG,Zheng, HW . An improved unstructured WENO method for compressible multi-fluids flow[J]. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS,2016,82(3):113-129.
APA Zheng HW,Zhao WG,&Zheng, HW .(2016).An improved unstructured WENO method for compressible multi-fluids flow.INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS,82(3),113-129.
MLA Zheng HW,et al."An improved unstructured WENO method for compressible multi-fluids flow".INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS 82.3(2016):113-129.
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