IMECH-IR  > 力学所知识产出(1956-2008)
MILU-CG方法和绕旋转圆柱流动的数值研究
凌国平; 凌国灿
Source Publication应用数学和力学
1998-08-26
Volume19Issue:8Pages:73-81
Abstract本文采用以修正的不完全LU分解作预处理器的共轭梯度法(MILU_CG),结合高阶隐式差分格式,改进了作者(1992)提出的基于区域分解、有限差分法与涡法杂交的数值方法(HDV)·系统地研究了雷诺数Re=1000,200,旋转速度比α∈(05,325)范围内,绕旋转圆柱从突然起动到充分发展,长时间内尾流旋涡结构和阻力、升力系数的变化规律·计算所得流线与实验流场显示相比,完全吻合·首次揭示了临界状态时的旋涡结构特性,并指出最佳升阻比就在该状态附近得到
Keyword旋转圆柱 涡结构 有限差分法 涡法 预处理共轭梯度法 不完全lu分解
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/40066
Collection力学所知识产出(1956-2008)
Corresponding Author凌国平
Recommended Citation
GB/T 7714
凌国平,凌国灿. MILU-CG方法和绕旋转圆柱流动的数值研究[J]. 应用数学和力学,1998,19,8,:73-81.
APA 凌国平,&凌国灿.(1998).MILU-CG方法和绕旋转圆柱流动的数值研究.应用数学和力学,19(8),73-81.
MLA 凌国平,et al."MILU-CG方法和绕旋转圆柱流动的数值研究".应用数学和力学 19.8(1998):73-81.
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