| 激波绕拐角运动流场的数值模拟 |
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| 引用本文： | 李超,乐嘉陵.激波绕拐角运动流场的数值模拟[J].实验流体力学,1993(3). |
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| 作者姓名： | 李超 乐嘉陵 |
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| 作者单位： | 中国空气动力研究与发展中心
(李超)，中国空气动力研究与发展中心(乐嘉陵) |
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| 摘 要： | 本文采用时间和空间方向均为二阶精度的 TVD 有限差分格式来数值模拟冲击波绕三角形、半菱形障碍物的非定常复杂流场,算出了与理论分析一致的流场结构,成功地捕获了激波、膨胀波、二次弱反射激波等物理特征。
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| 关 键 词： | 欧拉方程 激波 膨胀波 激波绕射 有限差分法 |
NUMERICAL SIMULATION OF A MOUING SHOCK AROUND DELTA-SHAPED OBSTACLES |
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| Li Chao,Le Jialing.NUMERICAL SIMULATION OF A MOUING SHOCK AROUND DELTA-SHAPED OBSTACLES[J].Experiments and Measur in Fluid Mechanics,1993(3). |
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| Authors: | Li Chao Le Jialing |
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| Institution: | China Aerodynamics Research and Development Center |
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| Abstract: | High-resolution explicit TVD shock-capturing schemes areemployed to simulate unsteady diffraction flows of a moving shockaround delta-shaped obstacals. Expansion wave and shocks including thesecond weak reflected shock are captured successfully. |
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| Keywords: | Euler equations shock expansion wave shock diffraction finite difference |
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