| 一种低雷诺数有回流区的流场的数值计算 |
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| 引用本文： | 李光正. 一种低雷诺数有回流区的流场的数值计算[J]. 华中科技大学学报(自然科学版), 1990, 0(2) |
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| 作者姓名： | 李光正 |
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| 作者单位： | 华中理工大学力学系 |
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| 摘 要： | 本文利用改进的SIMPLER方法求解二维N-S原始方程,并以突扩管道在突扩附近的流场为例进行了数值模拟,计算了雷诺数分别为180和500的两种流动,与用其它方法计算的结果对比,表明本文所采取的方法是可行的。
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| 关 键 词： | 雷诺数 流场 回流 N-S方程 SIMPLER方法 |
Numerical Calculation for Low Reynolds Number Flows With Recirculation |
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| Li Guangzheng. Numerical Calculation for Low Reynolds Number Flows With Recirculation[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1990, 0(2) |
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| Authors: | Li Guangzheng |
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| Affiliation: | Li Guangzheng |
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| Abstract: | A procedure for solving the Navier-Stakes equation for steady two-dimensional flows is described. The main dependent variables are the velocities and the pressure. They are calculated with SOR under-relaxation method on non-staggered grid. Improvements on the SIMPLER method have been made. The steady flow near a sudden expansion has been calculated for illustration. The results are in agreement with those obtained by other methods. |
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| Keywords: | Reynolds number Flow fields Recirculating flow N-S equation SIMPLER method |
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