| 二维大涡数值模拟方程及其解法 |
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| 引用本文： | 齐学义,王德国,郭秀峰,刘在伦,孟繁中. 二维大涡数值模拟方程及其解法[J]. 兰州理工大学学报, 2003, 29(1): 61-63 |
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| 作者姓名： | 齐学义 王德国 郭秀峰 刘在伦 孟繁中 |
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| 作者单位： | 甘肃工业大学,流体机械及流体动力工程系,甘肃,兰州,730050;柳州机场建设开发总公司,广西,柳州,545005 |
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| 摘 要： | 采用高斯型滤波函数对Navier Stokes方程进行滤波处理 ,并引入亚格子雷诺应力模型推导出了在水力机械内部流场计算中实用的二维大涡模拟方程及其在物理平面和计算平面上的离散形式 ,并介绍了方程的数值解法
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| 关 键 词： | 大涡数值模拟 滤波函数 雷诺应力 离散形式 |
| 文章编号： | 1000-5889(2003)01-0061-03 |
| 修稿时间： | 2002-07-05 |
Numerical simulation equation of two-dimensional large eddy current and its solution |
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| QI Xue yi ,WANG De guo ,GUO Xiu feng ,LIU Zai lun ,MENG Fan zhong. Numerical simulation equation of two-dimensional large eddy current and its solution[J]. Journal of Lanzhou University of Technology, 2003, 29(1): 61-63 |
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| Authors: | QI Xue yi WANG De guo GUO Xiu feng LIU Zai lun MENG Fan zhong |
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| Affiliation: | QI Xue yi 1,WANG De guo 2,GUO Xiu feng 1,LIU Zai lun 1,MENG Fan zhong 1 |
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| Abstract: | The Gauss filter function is used to filter the Navier stokes equation and the subgrid scale Reynold stresses model is introduced to deduce the practical form of LES equation for two dimensional case and its discrete form on physical plane and computational plane for flow field calculation of hydraulic machine. The numerical solution of the equations is introduced, also. |
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| Keywords: | large eddy simulation(LES) filter function Reynold stresses discrete form |
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