A high-order flux reconstruction method for 3D mixed overset meshes

被引：6
|
作者：
Duan, Zhaowen [1 ]
Wang, Z. J. [1 ]
机构：
[1] Univ Kansas, Dept Aerosp Engn, Lawrence, KS 66045 USA
来源：
COMPUTERS & FLUIDS | 2020年 / 205卷
关键词：
Overset meshes; High order; Mixed unstructured meshes; Large eddy simulation; NAVIER-STOKES EQUATIONS; CONSERVATIVE INTERFACE ALGORITHM; SPECTRAL DIFFERENCE METHOD; LARGE-EDDY SIMULATION; FINITE VOLUME METHOD; GRIDS; INTERPOLATION; TURBULENCE; EXTENSION; SCHEMES;
D O I：
10.1016/j.compfluid.2020.104535
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The use of overset meshes can significantly simplify grid generation for complex configurations, and is particularly desired for moving boundary problems as remeshing is often unnecessary. In the present study, we develop a high-order flux reconstruction (FR) solver for mixed overset meshes including the near-body, and background meshes. The main objective is to achieve uniformly high order accuracy in the entire computational domain on both the near body and the background grids. Two different approaches to handle the overset interfaces are evaluated for accuracy, efficiency and robustness. Waves passing across the overset interfaces are tested with both smooth and discontinuous waves. In the present study, we focus on non-moving boundary problems, and demonstrate the overall methodology for steady and unsteady flow problems. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：16
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