亚临界雷诺数下圆柱绕流的大涡模拟

被引:51
作者
苏铭德
康钦军
机构
[1] 清华大学工程力学系!北京,
关键词
圆柱绕流; 大涡模拟; 亚格子模式;
D O I
暂无
中图分类号
O357 [粘性流体力学];
学科分类号
080103 ; 080704 ;
摘要
本文应用Smagorinsky涡粘性模式和二阶精度的有限体积法对圆柱绕流的流场进行大涡模拟.求解了非正交曲线坐标系下的N-S方程,对雷诺数为100和20000的工况进行了计算.计算结果与实验及动力涡粘性模式的结果进行了比较,表明计算对于层流及高亚临界雷诺数的湍流流动是合理的
引用
收藏
页码:100 / 105
页数:6
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