Solving Navier-Stokes equations with advanced turbulence models on three-dimensional unstructured grids | Zendy

Qunzhen Wang | Zendy; Steven J. Massey | Zendy; Khaled S. Abdol-Hamid | Zendy; Neal T. Frink | Zendy

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Solving Navier-Stokes equations with advanced turbulence models on three-dimensional unstructured grids

Author(s) -

Qunzhen Wang,

Steven J. Massey,

Khaled S. Abdol-Hamid,

Neal T. Frink

Publication year - 1999

Publication title -

38th aerospace sciences meeting and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1999-156

Subject(s) - unstructured grid , turbulence , navier–stokes equations , k omega turbulence model , turbulence modeling , computer science , k epsilon turbulence model , computational fluid dynamics , physics , mechanics , compressibility

USM3D is a widely-used unstructured flow solver for simulating inviscid and viscous flows over complex geometries. The current version (version 5.0) of USM3D, however, does not have advanced turbulence models to accurately simulate complicated flows. We have implemented two modified versions of the original Jones and Launder k-epsilon two-equation turbulence model and the Girimaji algebraic Reynolds stress model in USM3D. Tests have been conducted for two flat plate boundary layer cases, a RAE2822 airfoil and an ONERA M6 wing. The results are compared with those of empirical formulae, theoretical results and the existing Spalart-Allmaras one-equation model.

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