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圆柱振荡绕流的三维不稳定性研究
Alternative TitleThree-Dimensional Instability of an Oscillating Viscous Flow Past a Circular Cylinder
陆夕云; 凌国灿
Source Publication应用数学和力学
2003-07-15
Volume24Issue:7Pages:699-707
ISSN1000-0887
Abstract通过数值求解三维不可压缩Navier-Stokes方程,研究了振荡圆柱绕流的旋涡不稳定性。研究表明,在一定的参数范围内,由于旋涡不稳定性,振荡流出由二维演化成三维流动,并沿圆柱轴向形成交错排列的三维涡结构。数值计算合理地预测了三维涡结构的空间失稳波长,并与实验测试值相符很好。文中还进一步研究了圆柱的受力特性,通过求解Morison方程,计算了圆柱的阻力和惯性力特性,其计算结果与已有的实验数据相吻合。
KeywordNavier-stokes方程 Reynolds数 Keulegan-carpenter数 Morison方程
Indexed ByCSCD
Language中文
Funding Organization国家杰出青年科学基金资助项目(10125210) ; 中国科学院"百人计划"资助项目 ; 中国科学院知识创新工程资助项目(KJCX_SW_L04) ; 教育部"跨世纪优秀人才培养计划"资助项目
CSCD IDCSCD:1168543
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42254
Collection力学所知识产出(1956-2008)
Corresponding Author陆夕云
Recommended Citation
GB/T 7714
陆夕云,凌国灿. 圆柱振荡绕流的三维不稳定性研究[J]. 应用数学和力学,2003,24(7):699-707.
APA 陆夕云,&凌国灿.(2003).圆柱振荡绕流的三维不稳定性研究.应用数学和力学,24(7),699-707.
MLA 陆夕云,et al."圆柱振荡绕流的三维不稳定性研究".应用数学和力学 24.7(2003):699-707.
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