Weak shock diffraction
- đ¤ Speaker: Hunter, JK (University of California, Davis)
- đ Date & Time: Tuesday 24 June 2014, 10:20 - 10:50
- đ Venue: Seminar Room 2, Newton Institute Gatehouse
Abstract
Co-author: Allen Tesdall (CUNY)
We study the diffraction of a weak, self-similar shock in two space dimensions near a point where its shock strength approaches zero and the shock turns continuously into an expansion wavefront. For example, this happened when a weak shock hits a semi-infinite screen. The local asymptotic solution satisfies the unsteady transonic small disturbance equation. We also consider a related half-space problem where a shock whose strength approaches zero reflects off a ``soft’’ boundary. Numerical solutions show a complex reflection pattern similar to one that occurs in the Guderley Mach reflection of weak shocks.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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Hunter, JK (University of California, Davis)
Tuesday 24 June 2014, 10:20-10:50