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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Weak shock diffraction

## Weak shock diffractionAdd to your list(s) Download to your calendar using vCal - Hunter, JK (University of California, Davis)
- Tuesday 24 June 2014, 10:20-10:50
- Seminar Room 2, Newton Institute Gatehouse.
If you have a question about this talk, please contact Mustapha Amrani. Free Boundary Problems and Related Topics 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. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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