网格拓扑对DLR-F6构型数值模拟的影响
收稿日期: 2016-03-02
修回日期: 2016-05-26
网络出版日期: 2016-06-02
基金资助
国家重点研发计划（2016YFB0200700）
Effect of mesh topology on numerical simulation of DLR-F6 configuration
Received date: 2016-03-02
Revised date: 2016-05-26
Online published: 2016-06-02
Supported by
National Key Research and Development Program (2016YFB0200700)
李伟 , 孟德虹 , 洪俊武 , 李桦 . 网格拓扑对DLR-F6构型数值模拟的影响[J]. 航空学报, 2017 , 38(2) : 120177 -120183 . DOI: 10.7257/S1000-6893.2016.0168
Based on the TRIP 3.0(TRIsonic Platform V3.0) software and structure grid technology, the effects of different mesh topologies and control equations on aerodynamic characters of DLR-F6 wing-body configuration are studied. The study is implemented with the RANS/TLNS equations, as the same parameters of the experiment are used. Coarse, medium and fine meshes of O and H topologies are also generated for the simulation.The effects on the simulation of DLR-F6 wing-body configuration are studied from aerodynamic characters, pressure coefficient distribution curve and flow pattern on the surface. Compared with experimental data, the numerical results indicate that more accurate results can be obtained by adopting the H topology mesh and RANS equations on the simulations of flow field with small separation zone.
Key words： RANS equations; mesh topology; separated flow; grid density; aerodynamic character
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