基于LES方法圆柱绕流三维数值模拟

被引:40
作者
姚熊亮 [1 ]
方媛媛 [2 ]
戴绍仕 [1 ]
王领 [1 ]
机构
[1] 哈尔滨工程大学船舶工程学院
[2] 青岛科技大学
关键词
LES方法; 三维圆柱绕流; 水动力特性;
D O I
10.16076/j.cnki.cjhd.2007.05.007
中图分类号
TV135 [工程水力学(水工建筑水力学)];
学科分类号
0801 ; 080103 ; 080104 ; 081502 ;
摘要
该文采用计算流体软件CFX5中Large-eddy simulation(LES)模型计算了均匀流场中三维圆柱绕流的水动力特性。使用有限体积法对三维N-S方程进行求解。数值模拟着重研究了高雷诺数时展向各截面的压力、阻力、升力及涡管特性。数值计算结果表明:展向各截面柱体受力关于中截面对称且小于二维情况,柱体周围流场呈现明显的三维特性。
引用
收藏
页码:564 / 572
页数:9
相关论文
共 19 条
[1]  
Vortex-induced forces on oscillatingbluff cylinder. GOPALKRISHNAN R. . 1993
[2]  
Fluctuating lift on a circular cylinder reviewand new measurements. NORBERG C. Journal of Fluids and Struc-tures . 2003
[3]  
Three-dimensionalityinstabilities in wake transition. LEWEKE T,WILLIAMSON C H K. European Journal ofMechanics B/Fluids . 1998
[4]  
Validationof a three-dimensional large eddy simulation finite differ-ence method to study vortex induced vibration. ESPERANCA P T,WANDERLEY J B,LEVI C. Pro-ceedings of 25th international Conference on Offshore Me-chanics and Arctic Engineering . 2006
[5]   NUMERICAL SIMULATION OF THREE-DIMENSIONAL VORTEX DYNAMICS IN WAKE OF A CIRCULAR CYLINDER [J].
Deng Jian ;
Ren An-lu ;
Zou Jian-feng .
JOURNAL OF HYDRODYNAMICS, 2005, 17 (03) :344-351
[6]  
Review-review of flow interferencebetween two circular cylinders in various arrangements. ZDRAVKOVICHM M. Journal of Fluid Engineering . 1977
[7]  
DNS of drop-let-vortex interaction with a Karman vortex street. BURGER M,SCHMEHL R,KOCH R et al. Heatand Fliud Flow . 2006
[8]  
气液两相流旋涡脱落特性及工程应用[M]. 化学工业出版社 , 林宗虎等著, 2001
[9]  
高等结构动力学[M]. 上海交通大学出版社 , 陆鑫森编著, 1992
[10]  
Three-dimensional natureof vortices in the near wake of a wavy cylinder. LAM K,WANG F K,SO R MC. Journalof Fluids and Structures . 2004