期刊
ANNUAL REVIEW OF FLUID MECHANICS, VOL 50
卷 50, 期 -, 页码 77-103出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-fluid-122316-045020
关键词
turbulent flow; laminar to turbulent transition; hybrid simulation; elliptic blending; data-driven modeling
资金
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1507928] Funding Source: National Science Foundation
Turbulence closure models are central to a good deal of applied computational fluid dynamical analysis. Closure modeling endures as a productive area of research. This review covers recent developments in elliptic relaxation and elliptic blending models, unified rotation and curvature corrections, transition prediction, hybrid simulation, and data-driven methods. The focus is on closure models in which transport equations are solved for scalar variables, such as the turbulent kinetic energy, a timescale, or a measure of anisotropy. Algebraic constitutive representations are reviewed for their role in relating scalar closures to the Reynolds stress tensor. Seamless and nonzonal methods, which invoke a single closure model, are reviewed, especially detached eddy simulation (DES) and adaptive DES. Other topics surveyed include data-driven modeling and intermittency and laminar fluctuation models for transition prediction. The review concludes with an outlook.
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