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Some comments on the stability theory of mhd shock waves | |
Xu F(徐复) | |
发表期刊 | Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences |
1985 | |
卷号 | 28期号:3页码:273-285 |
ISSN | 0253-5831 |
摘要 | The stability (evolutionarity) problem for a kind of MHD shock waves is discussed in this paper. That is to solve the interaction problem of MHD shock waves with (2-dimensional) oblique incident disturbances. In other words, the result of gasdynamic shocks is generalized to the case of MHD shocks. The previous conclusion of stability theory of MHD shock waves obtained from the solution of interaction problem of MHD shock wave with (one-dimensional) normal shock wave is that only fast and slow shocks are stable, and intermediate shocks are unstable. However, the results of this paper show that when the small disturbances are the Alfven waves a new stability condition which is related to the parameters in front of and behind the shock wave is derived. When the disturbances are entropy wave and fast and slow magneto acoustic waves the stability condition is related to the frequency of small disturbances. As the limiting ease, i. e. when a normal incident (reflection, refraction) is consid...更多ered, the fast and slow shocks are unstable. The results also show that the conclusion drawn by Kontorovich is invalid for the stability theory of shock waves. |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:A1985AFM8400006 |
WOS研究方向 | Science & Technology - Other Topics |
WOS类目 | Multidisciplinary Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/39828 |
专题 | 力学所知识产出(1956-2008) |
推荐引用方式 GB/T 7714 | Xu F. Some comments on the stability theory of mhd shock waves[J]. Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences,1985,28,3,:273-285. |
APA | 徐复.(1985).Some comments on the stability theory of mhd shock waves.Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences,28(3),273-285. |
MLA | 徐复."Some comments on the stability theory of mhd shock waves".Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences 28.3(1985):273-285. |
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