| 三维可压缩绕球流的整体线性稳定性研究 |
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| 引用本文： | 辛晓峰,柳阳,马东军,孙德军.三维可压缩绕球流的整体线性稳定性研究[J].计算物理,2011,28(1):10-18. |
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| 作者姓名： | 辛晓峰 柳阳 马东军 孙德军 |
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| 作者单位： | 1. 中国科学技术大学近代力学系, 安徽 合肥 230027;2. 中国工程物理研究院总体工程研究所, 四川 绵阳 621900 |
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| 基金项目： | 国家自然科学基金(10772172,10602056,10432020)资助项目 |
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| 摘 要： | 研究基于三维可压缩Navier-Stokes方程拟线化方法的整体稳定性问题的数值求解,采用隐式重启的Arnoldi方法求解其特征值问题.针对三维可压缩绕球基本流,研究其在亚临界参数Reynolds数Re=200,马赫数M=0.2,以及超临界参数Re=300,M=0.6下的整体稳定性问题.结果表明,Mach数的增加(直至M=0.6)对流场模态的转变没有定性影响.
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| 关 键 词： | 整体稳定性 可压缩流动 绕球流 |
| 收稿时间： | 2009-11-30 |
| 修稿时间： | 2010-06-07 |
Three-dimensional Global Linear Stability Analysis of Compressible Flow Around a Sphere |
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| XIN Xiaofeng,LIU Yang,MA Dongjun,SUN Dejun.Three-dimensional Global Linear Stability Analysis of Compressible Flow Around a Sphere[J].Chinese Journal of Computational Physics,2011,28(1):10-18. |
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| Authors: | XIN Xiaofeng LIU Yang MA Dongjun SUN Dejun |
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| Institution: | 1. Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, China;2. Institute of Structural Mechanics, China Academy of Engineering Physics, Mianyang 621900, China |
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| Abstract: | Global linear stability of compressible,three-dimensional flow around a sphere is investigated with a quasi-linearization method on Navier-Stokes equations.An implicit restarted Arnoldi approach is adopted to solve the eigenvalue problem.The global stability problem of three-dimensional compressible basic flows around a sphere is investigated at subcritical parameters of Reynolds number Re = 200,Mach number M = 0.2,and supercritical parameters of Re = 300,M = 0.6.It shows that the increasing of Mach number(... |
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| Keywords: | global instability compressible flow flow around a sphere |
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