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用非结构网格研究旋转振荡圆柱绕流
Alternative TitleFlows past a rotating circular cylinder by fvm based on unstructured meshes
柏威; 鄂学全
Source Publication力学学报
2004-07-19
Volume36Issue:4Pages:466-471
Abstract研究了雷诺数Re=200,1000,线速度比α=0.5,2.0,4.0,强迫振荡频率fs=0.1~2.0情况下的旋转振荡圆柱绕流问题.通过基于非结构同位网格有限体积法对Navier-Stokes方程进行数值求解.对流项、扩散项和非恒定项的离散格式均具有二阶精度,利用SIMPLE算法处理压力-速度耦合.计算得到了作用力系数随不同控制参数的变化规律.通过对升力系数的频谱分析得到自然脱落频率和强迫振荡频率下的作用力振幅.通过对不同频率作用力幅值的分析,得到频率之间的竞争关系,进而定量地给出了不同尾迹涡脱落模式的分区图.
Keyword旋转振荡圆柱 Navier-stokes方程 非结构网格 涡脱落 作用力系数
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金(19972068)~~
CSCD IDCSCD:1597054
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42086
Collection力学所知识产出(1956-2008)
Corresponding Author柏威
Recommended Citation
GB/T 7714
柏威,鄂学全. 用非结构网格研究旋转振荡圆柱绕流[J]. 力学学报,2004,36(4):466-471.
APA 柏威,&鄂学全.(2004).用非结构网格研究旋转振荡圆柱绕流.力学学报,36(4),466-471.
MLA 柏威,et al."用非结构网格研究旋转振荡圆柱绕流".力学学报 36.4(2004):466-471.
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