| 引用本文: | 刘君,张涵信,高树椿.一种新型的计算化学非平衡流动的解耦方法.[J].国防科技大学学报,2000,22(5):19-22.[点击复制] |
| LIU Jun,ZHANG Hanxin,GAO Shuchun.A New Uncoupled Method for Numerical Simulation of Nonequilibrium flow[J].Journal of National University of Defense Technology,2000,22(5):19-22[点击复制] |
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| 一种新型的计算化学非平衡流动的解耦方法 |
| 刘君1, 张涵信2, 高树椿2 |
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(1.国防科技大学 航天与材料工程学院, 湖南 长沙 410073;2.中国空气动力研究与发展中心, 四川 绵阳 621000)
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| 摘要: |
| 给出一种计算化学非平衡流动的解耦方法。利用该方法从薄层近似 N-S 方程出发, 采用 NND2M 差分格式, 数值模拟了H2/O2 燃烧的超音速绕流场; 计算表明这种方法可以有效地解决刚性问题, 而且与现有的隐式算法相比, 具有公式推导简便, 占用内存少, 计算效率高等优点, 特别适合于多组分和多反应的情况。 |
| 关键词: 计算方法 化学非平衡流动 计算流体力学 |
| DOI： |
| 投稿日期：2000-04-01 |
| 基金项目: |
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| A New Uncoupled Method for Numerical Simulation of Nonequilibrium flow |
| LIU Jun1, ZHANG Hanxin2, GAO Shuchun2 |
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(1.College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073, China;2.China Aerodynamics Research & Development Center, Mianyang 621000, China)
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| Abstract: |
| An new uncoupled method was introduced to simulate numerically nonequilibrium flow which had the stiffness problem. The flow phenomenon of H2/O2 combustion induced by shock was simulated with the method, based on N-S equations and NND2M scheme. The results indicated that the method was simple and efficient in the application to multi-component and multi-reaction flow. |
| Keywords: calculation method non-equilibrium flow CFD |
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