NONLINEAR EDDY VISCOSITY AND ALGEBRAIC STRESS MODELS FOR SOLVING COMPLEX TURBULENT FLOWS
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摘要:非线性涡黏性系数模型和代数应力模型联系了线性涡黏性系数湍流模型和完整的微分雷诺应力模型.随着它们受到日益关注,其形式也越来越多样化.本篇综述的目的是对这些模型加以总结并比较它们之间的共同点及不同之处,指出它们与完整微分雷诺应力模型之间的关系,以及相对于线性涡黏性系数模型而言它们在预报流场上所具有的优势.
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关键词:
- 湍流/
- 非线性涡黏性系数模型/
- 代数应力模型/
- 张量表示理论
Abstract:Nonlinear eddy viscosity and algebraic stress models are currently providingan invaluable link between the more common linear eddy viscosity turbulencemodels and the full differential Reynolds stress forms. With the increasedpopularity has come an abundance of different formulations. The purpose ofthis review is to provide a cohesive framework for the variety of modelsproposed and to highlight the various similarities and differences among themodels. Their link with differential Reynolds stress models and theirimproved predictive capability over linear eddy-viscosity models is alsohighlighted. -
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