Global supersonic conic shock wave for the steady supersonic flow past a cone: Polytropic gas
Global supersonic conic shock wave for the steady supersonic flow past a cone: Polytropic gas
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通过锥体的稳定超音速流的全局超音速圆锥激波:多变气体
DOI:
10.1016/j.jde.2008.07.031
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发表时间:
2009-01
影响因子:
2.4
通讯作者:
尹会成
中科院分区:
文献类型:
--
作者:
崔大成;尹会成
In this paper, we establish the global existence and stability of a steady conic shock wave for the symmetrically perturbed supersonic flow past an infinitely long conic body as long as the vertex angle is less than a critical value. The flow is assumed to be polytropic, isentropic and described by a steady potential equation. Based on the delicate asymptotic expansion of the background solution, one can verify that the boundary conditions on the shock and the conic surface satisfy the “dissipative” property. From this property, by use of the reflected characteristics method and the special form of the shock equation, we show that the conic shock attached at the vertex of the cone exists globally in the whole space when the speed of the supersonic coming flow is appropriately large. On the other hand, we remove the smallness restriction on the sharp vertex angle in order to establish the global existence of a shock or a global weak solution, moreover, our proof approach is different from that in [Shuxing Chen, Zhouping Xin, Huicheng Yin, Global shock wave for the supersonic flow past a perturbed cone, Comm. Math. Phys. 228 (2002) 47–84] and [Zhouping Xin, Huicheng Yin, Global multidimensional shock wave for the steady supersonic flow past a three-dimensional curved cone, Anal. Appl. 4 (2) (2006) 101–132].
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DOI:
10.1007/978-0-387-49319-0
发表时间:
1941
期刊:
--
影响因子:
--
作者:
J. Jost
通讯作者:
J. Jost
DOI:
10.1090/amsip/029/19
发表时间:
2002-09
期刊:
--
影响因子:
--
作者:
Shuxing Chen;S. Yau
通讯作者:
Shuxing Chen;S. Yau
影响因子:
64.8
作者:
M. Lighthill
通讯作者:
M. Lighthill
DOI:
--
发表时间:
1994
期刊:
--
影响因子:
--
作者:
Ta-Tsien Li
通讯作者:
Ta-Tsien Li
DOI:
10.1007/978-3-642-28070-2_8
发表时间:
2012
期刊:
--
影响因子:
--
作者:
K. Soetaert;J. Cash;F. Mazzia
通讯作者:
K. Soetaert;J. Cash;F. Mazzia