Parametric and V&V study in a fundamental CFD process: revisiting the lid-driven cavity flow
文献类型：期刊论文
| 作者 | Ge, Mingming2; Zhang, Xin-Lei1; Brookshire, Kaleb2; Coutier-Delgosha, Olivier2 |
| 刊名 | AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY
 |
| 出版日期 | 2021-12-24 |
| 页码 | 16 |
| 关键词 | Lid-driven cavity Fluid dynamics Computational fluid dynamics Numerical method Verification and validation |
| ISSN号 | 1748-8842 |
| DOI | 10.1108/AEAT-04-2021-0108 |
| 通讯作者 | Coutier-Delgosha, Olivier(ocoutier@vt.edu) |
| 英文摘要 | Purpose The openings on aircraft structures can be modeled from an aerodynamical point of view as lid-driven cavities (LDC). This paper aims to show the primary verification and validation (V&V) process in computational fluid dynamics (CFD, and to investigate the influences of numerical settings on the efficiency and accuracy for solving the LDC problem. Design/methodology/approach To dig into the details of CFD approaches, this paper outlines the design, implementation, V&V and results of an efficient explicit algorithm. The parametric study is performed thoroughly focusing on various iteration methods, grid density discretization terms and Reynolds number effects. Findings This study parameterized the numerical implementation which provides empirical insights into how computational accuracy and efficiency are affected by changing numerical settings. At a low Reynolds number (not over 1,000), the time-derivative preconditioning is necessary, and k = 0.1 can be the optimal value to guarantee the efficiency, as well as the stability. A larger artificial viscosity (c = 1/16) would relieve the calculating oscillation issue but proportionally increase the discretization error. Furthermore, the iteration method and the mesh quality are two key factors that affect the convergence efficiency, thus need to be selected "wisely". Practical implications The study shows how numerical implementation can enhance an accurate and efficient solution. This workflow can be used to determine the best parameter settings whenever CFD researchers applying this LDC problem as a complementary design tool for testing newly developed solvers. Originality/value The studied LDC problem is representative of CFD analysis in real aircraft structures. These numerical simulations provide a cost-effective and convenient tool to understand the parameter sensitivity, solution receptivity and physics of the CFD process. |
| 资助项目 | Office of Naval Research[N00014-18-S-B001] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000733188000001 |
| 资助机构 | Office of Naval Research |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/88185]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 通讯作者 | Coutier-Delgosha, Olivier |
| 作者单位 | 1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing, Peoples R China 2.Virginia Polytech Inst & State Univ, Kevin T Crofton Dept Aerosp & Ocean Engn, Blacksburg, VA 24061 USA |
| 推荐引用方式 GB/T 7714 | Ge, Mingming,Zhang, Xin-Lei,Brookshire, Kaleb,et al. Parametric and V&V study in a fundamental CFD process: revisiting the lid-driven cavity flow[J]. AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY,2021:16. |
| APA | Ge, Mingming,Zhang, Xin-Lei,Brookshire, Kaleb,&Coutier-Delgosha, Olivier.(2021).Parametric and V&V study in a fundamental CFD process: revisiting the lid-driven cavity flow.AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY,16. |
| MLA | Ge, Mingming,et al."Parametric and V&V study in a fundamental CFD process: revisiting the lid-driven cavity flow".AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY (2021):16. |
入库方式： OAI收割
来源：力学研究所
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