SIMULATION OF VORTEX SHEDDING INCLUDING BLOCKAGE BY THE RANDOM-VORTEX AND OTHER METHODS

被引:46
作者
STANSBY, PK
SLAOUTI, A
机构
[1] Department of Engineering, University of Manchester, Manchester, M13 9PL, Simon Building
关键词
VORTEX SHEDDING; LAMINAR FLOW; NUMERICAL SIMULATION; BLOCKAGE;
D O I
10.1002/fld.1650171107
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Converged simulations of vortex shedding from a circular cylinder at a Reynolds number of 100 have been computed by the random-vortex method incorporating the influence of blockage. The results are compared with converged finite-element and spectral methods and close agreement for Strouhal number is obtained. Forces are, however, in less close agreement, particularly the fluctuating lift force. Strouhal numbers from simulations with zero blockage for Reynolds numbers between 60 and 180 are seen to be in very close agreement with experiments which are said to be effectively two-dimensional. In this range the Strouhal number changes from 0.135 to 0.191. There are no corresponding experimental measurements for force.
引用
收藏
页码:1003 / 1013
页数:11
相关论文
共 23 条
[1]   INITIAL FLOW FIELD OVER AN IMPULSIVELY STARTED CIRCULAR-CYLINDER [J].
BARLEV, M ;
YANG, HT .
JOURNAL OF FLUID MECHANICS, 1975, 72 (DEC23) :625-647
[2]   THE EARLY STAGE OF DEVELOPMENT OF THE WAKE BEHIND AN IMPULSIVELY STARTED CYLINDER FOR 40 LESS-THAN RE LESS-THAN 104 [J].
BOUARD, R ;
COUTANCEAU, M .
JOURNAL OF FLUID MECHANICS, 1980, 101 (DEC) :583-&
[3]   ORBITAL FLOW AROUND A CIRCULAR-CYLINDER .2. ATTACHED FLOW AT LARGER AMPLITUDES [J].
CHAPLIN, JR .
JOURNAL OF FLUID MECHANICS, 1993, 246 :397-418
[4]  
CHAPLIN JR, 1992, COMMUNICATION
[6]   Numerical study of slightly viscous flow [J].
Chorin, Alexandre Joel .
JOURNAL OF FLUID MECHANICS, 1973, 57 :785-796
[7]   INITIAL FLOW PAST AN IMPULSIVELY STARTED CIRCULAR CYLINDER [J].
COLLINS, WM ;
DENNIS, SCR .
QUARTERLY JOURNAL OF MECHANICS AND APPLIED MATHEMATICS, 1973, 26 (FEB) :53-75
[8]   FLOW PAST AN IMPULSIVELY STARTED CIRCULAR CYLINDER [J].
COLLINS, WM ;
DENNIS, SCR .
JOURNAL OF FLUID MECHANICS, 1973, 60 (AUG21) :105-127
[9]   TRANSIENT FLOW PAST A CIRCULAR-CYLINDER - A BENCHMARK SOLUTION [J].
ENGELMAN, MS ;
JAMNIA, MA .
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 1990, 11 (07) :985-1000
[10]   CONVERGENCE OF VORTEX METHODS FOR EULERS EQUATIONS .2. [J].
HALD, OH .
SIAM JOURNAL ON NUMERICAL ANALYSIS, 1979, 16 (05) :726-755