On Thursday morning 24 July, Mark Cooker gave a talk on violent wave motion on a short time scale. He began the talk by deriving a “pressureimpulse theory”, based on Euler’s equations of motion in an impact setting. The analysis is reduced to a BVP for the pressure, which is harmonic in the interior and satisfies mixed DirichletNeumann conditions on the boundary. Explicit solutions were obtained and discussed. As part of the talk he gave a demonstration of the implication of the theory of impact by perturbing a glass of water. See the previous blog post for references.

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