【摘 要】
：
Prandtl(1936)first employed the shock polar analysis to show that,when a steady supersonic flow impinges a solid wedge whose angle is less than a critical angle
【机 构】
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PohangUniversityofScienceandTechnology,Korea
【出 处】
：
2014 workshop on nonlinear evolutionary partial differential
论文部分内容阅读
Prandtl(1936)first employed the shock polar analysis to show that,when a steady supersonic flow impinges a solid wedge whose angle is less than a critical angle(i.e.,the detachment angle),there are two possible configurations: the weak shock solution and the strong shock solution,and conjectured that the weak shock solution is physically admissible.In this talk,I address this longstanding open issue and present recent analysis to establish the stability theorem for steady weak shock solutions as the long-time limits of unsteady flows for all the physical parameters up to the detachment angle for potential flow.This talk is based on collaboration with Gui-Qiang G.Chen(Univ.of Oxford)and Mikhail Feldman(UW-Madison).
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