IMECH-IR  > 高温气体动力学国家重点实验室
Dynamic optimization methodology based on subgrid-scale dissipation for large eddy simulation
Yu ZP(于长平); Xiao ZL; Li XL(李新亮); Li, XL (reprint author), Chinese Acad Sci, Inst Mech, LHD, Beijing 100190, Peoples R China.
Source PublicationPHYSICS OF FLUIDS
2016
Volume28Issue:1Pages:15113
ISSN1070-6631
AbstractA dynamic procedure based on subgrid-scale dissipation is proposed for large eddy simulation of turbulent flows. In the new method, the model coefficients are determined by minimizing the square error of the resolved dissipation rate based on the Germano identity. A dynamic two-term mixed model is tested and evaluated both a priori and a posteriori in simulations of homogeneous and isotropic turbulence. The new dynamic procedure proves to be more effective to optimize the model coefficients as compared with traditional method. The corresponding dynamic mixed model can predict the physical quantities more accurately than traditional dynamic mixed model. (C) 2016 AIP Publishing LLC.
DOI10.1063/1.4940044
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000374595500051
WOS Research AreaMechanics ; Physics
WOS SubjectMechanics ; Physics, Fluids & Plasmas
Funding OrganizationWe wish to thank Dexun Fu and Yanwen Ma for fruitful discussions on this work. This work was supported by the NSFC Projects (Nos. 11472278, 91441103, 11372007, and 11372330), the 863 Program (No. 2012AA01A304), and the CAS Program (Nos. KJCX2-EW-J01 and XXH12503-02-02-04).
DepartmentLHD可压缩湍流
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59569
Collection高温气体动力学国家重点实验室
Corresponding AuthorLi, XL (reprint author), Chinese Acad Sci, Inst Mech, LHD, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yu ZP,Xiao ZL,Li XL,et al. Dynamic optimization methodology based on subgrid-scale dissipation for large eddy simulation[J]. PHYSICS OF FLUIDS,2016,28(1):15113.
APA 于长平,Xiao ZL,李新亮,&Li, XL .(2016).Dynamic optimization methodology based on subgrid-scale dissipation for large eddy simulation.PHYSICS OF FLUIDS,28(1),15113.
MLA 于长平,et al."Dynamic optimization methodology based on subgrid-scale dissipation for large eddy simulation".PHYSICS OF FLUIDS 28.1(2016):15113.
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