Global Stability of Steady Transonic Euler Shocks in Quasi-One-Dimensional Nozzles

Global Stability of Steady Transonic Euler Shocks in Quasi-One-Dimensional Nozzles
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DOI:
10.1016/j.matpur.2012.09.006
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发表时间:
2011-07
期刊:
Journal de Mathématiques Pures et Appliquées
影响因子:
--
通讯作者:
J. Rauch;Chunjing Xie;Z. Xin
J. Rauch;Chunjing Xie;Z. Xin
中科院分区:
其他
文献类型:
--
作者:
J. Rauch;Chunjing Xie;Z. Xin

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我们证明了发散准一维喷管中定常跨音速激波解在时间上的全局动力学稳定性。我们既不假定喷管的相对斜率很小,也不假定激波很弱。证明的关键要素是线性化问题的指数衰减能量估计以及Luo等人的方法。(2011)[12]。
We prove global in time dynamical stability of steady transonic shock solutions in divergent quasi-one-dimensional nozzles. We assume neither the smallness of the relative slope of the nozzle nor the weakness of the shock. Key ingredients of the proof are an exponentially decaying energy estimate for a linearized problem together with methods from Luo et al. (2011) [12].