Stability of transonic shocks in supersonic flow past a wedge |
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Authors: | Shuxing Chen Beixiang Fang |
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Affiliation: | Institute of Mathematics, Fudan University, Shanghai 200433, PR China |
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Abstract: | In this paper we study the stability of transonic shocks in steady supersonic flow past a wedge. We take the potential flow equation as the mathematical model to describe the compressible flow. It is known that in generic case such a problem admits two possible location of shock, connecting the flow ahead it and behind it. They can be distinguished as supersonic-supersonic shock and supersonic-subsonic shock (or transonic shock). Both these possible shocks satisfy the Rankine-Hugoniot conditions and entropy condition. In this paper we prove that the transonic shock is also stable under perturbation of the coming flow provided the pressure at infinity is well controlled. |
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Keywords: | 35L65 35L67 35J25 35R35 |
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