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Evaluation of Full Reynolds Stress Turbulence Models in FUN3D

机译:FUN3D中全新雷诺应力湍流模型的评价

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Full seven-equation Reynolds stress turbulence models are promising tools for today's aerospace technology challenges. This paper examines two such models for computing challenging turbulent flows including shock-wave boundary layer interactions, separation and mixing layers. The Wilcox and the SSG/LRR full second-moment Reynolds stress models have been implemented into the FUN3D unstructured Navier-Stokes code and were evaluated for four problems: a transonic two-dimensional diffuser, a supersonic axisymmetric compression corner, a compressible planar shear layer, and a subsonic axisymmetric jet. Simulation results are compared with experimental data and results computed using the more commonly used Spalart-Allmaras (SA) one-equation and the Menter Shear Stress Transport (SST-V) two-equation turbulence models.
机译:完整的七方程式雷诺斯压力湍流模型是当今航空航天技术挑战的有希望的工具。本文介绍了两个用于计算挑战性湍流流动的这种模型,包括冲击波边界层相互作用,分离和混合层。 Wilcox和SSG / LRR全秒雷诺应力模型已经实施到Fun3D非结构化Navier-Stokes代码中,并评估了四个问题:横向二维扩散器,超声波轴对称压缩拐角,可压缩平面剪切层和亚音轴对称喷射。将仿真结果与实验数据进行比较,使用更常用的Spalart-Allmaras(SA)单方程和导师剪切应力传输(SST-V)两方程湍流模型计算的结果。

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