|
|||||
|
|
| 耗散紧致格式的频谱特性研究与应用 | |
| 引用本文： | 毛枚良,邓小刚,李松. 耗散紧致格式的频谱特性研究与应用[J]. 计算物理, 2009, 26(3): 371-377. DOI: 10.3969/j.issn.1001-246X.2009.03.006 |
| 作者姓名： | 毛枚良 邓小刚 李松 |
| 作者单位： | 中国空气动力研究与发展中心, 四川 绵阳 621000 |
| 基金项目： | 国家自然科学基金创新研究群体基金 |
| 摘 要： | 采用Fourier分析方法,给出线性耗散紧致格式和基于m级Runge-Kutta时间积分方法的全离散格式的频谱特性,并应用五阶耗散紧致格式模拟典型高频波传播和超声速平面Couette流动的特征值问题及其稳定性边值问题,展示耗散紧致差分格式良好的频谱特性. |
| 关 键 词： | 高精度格式 耗散紧致格式 Fourier分析 群速度 相速度 |
| 收稿时间： | 2007-12-11 |
| 修稿时间： | 2008-07-05 |
Spectrum Characteristic of Dissipative Compact Schemes and Application to Couette Flow |
|
| MAO Meiliang,DENG Xiaogang,LI Song. Spectrum Characteristic of Dissipative Compact Schemes and Application to Couette Flow[J]. Chinese Journal of Computational Physics, 2009, 26(3): 371-377. DOI: 10.3969/j.issn.1001-246X.2009.03.006 | |
| Authors: | MAO Meiliang DENG Xiaogang LI Song |
| Affiliation: | China Aerodynamics Research and Development Center, Mianyang 621000, China |
| Abstract: | Spectrum characteristic of linear dissipative compact schemes and corresponding fully-discrete forms based on m-order Runge-Kutta algorithm are investigated by Fourier analysis.A 5-th order scheme is empolyed to study propagation of a classical high-frequency wave and eigen-value problem of a supersonic plane Couette flow as well as its boundary value stability.Numerical results demonstrate favorable spectrum characteristic of dissipative compact schemes. |
| Keywords: | high-order accurate scheme dissipative compact scheme Fourier analysis group velocity phase velocity |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
| 点击此处可从《计算物理》浏览原始摘要信息 | |
| 点击此处可从《计算物理》下载全文 | |