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Wall-model integrated computational framework for large-eddy simulations of wall-bounded flows
Lv Y(吕钰)1; Huang XLD2; Yang XL(杨晓雷)1; Yang XIA2
Corresponding AuthorYang, Xiang I. A.(xzy48@psu.edu)
Source PublicationPHYSICS OF FLUIDS
2021-12-01
Volume33Issue:12Pages:10
ISSN1070-6631
AbstractThe wall-modeled large-eddy simulation (WMLES) computational framework generally includes a wall-model solver outside the large-eddy simulation (LES) infrastructure, with the two solvers communicating only at the matching location and the wall. Having a wall-model solver outside the LES jeopardizes the performance of WMLES: first, the wall-model solver adds significant computational overhead; second, the LES solution in the wall-adjacent cell is ambiguous; and third, it is very difficult to utilize the emerging high-order numerical schemes. This paper addresses the above issues by abandoning wall-model solvers altogether and integrating wall models into LES solvers. We will employ a set of physics-inspired bases for LES solution reconstruction in the wall-adjacent cell. The methodology gives rise to a computational framework that effortlessly accounts for non-equilibrium effects in a high-order code without a stand-alone wall-model solver. We consider channel flow for a proof of concept and periodic hill for validation.
DOI10.1063/5.0073506
Indexed BySCI ; EI
Language英语
WOS IDWOS:000732721800008
WOS KeywordTURBULENCE ; LAMINAR ; SCHEME ; WIND ; LES
WOS Research AreaMechanics ; Physics
WOS SubjectMechanics ; Physics, Fluids & Plasmas
Classification一类/力学重要期刊
Ranking1
ContributorYang, Xiang I. A.
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/88167
Collection非线性力学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
2.Penn State Univ, Dept Mech Engn, State Coll, PA 16802 USA
Recommended Citation
GB/T 7714
Lv Y,Huang XLD,Yang XL,et al. Wall-model integrated computational framework for large-eddy simulations of wall-bounded flows[J]. PHYSICS OF FLUIDS,2021,33,12,:10.
APA 吕钰,Huang XLD,杨晓雷,&Yang XIA.(2021).Wall-model integrated computational framework for large-eddy simulations of wall-bounded flows.PHYSICS OF FLUIDS,33(12),10.
MLA 吕钰,et al."Wall-model integrated computational framework for large-eddy simulations of wall-bounded flows".PHYSICS OF FLUIDS 33.12(2021):10.
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