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最近在学习OpenFOAM库中kOmega湍流模型时比较困惑,尤其是对于kkLOmega模型。请问在kkLOmega模型中,为什么定义了两个k?其中kt和kl分别指的是什么?大家有没有关于这方面的资料。
kt: turbulent kinetic energy, 大家都知道的湍流动能。kl: laminar kinetic energy, 用于描述处理层流向湍流转变的附加的“层流动能”。ω: scale-determining variable = ε/kt,k=kt+kl。
这是一个转变的湍流模型。在这里有写A Three-Equation Eddy-Viscosity Model for Reynolds-Averaged Navier–Stokes Simulations of Transitional Flow
A Three-Equation Eddy-Viscosity Model for Reynolds-Averaged Navier–Stokes Simulations of Transitional Flow
谢谢东岳哥
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2021年3月23日 13:52