A caustic terminating at an inflection point

J. R. Ockendon, H. Ockendon, R. H. Tew, D. P. Hewett,A. Gibbs

WAVE MOTION（2024）

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摘要

We present an asymptotic and numerical study of the evolution of an incoming wavefield which has a caustic close to a curve with an inflection point. Our results reveal the emergence of a wavefield which resembles that of a shadow boundary but has a maximum amplitude along the tangent at the inflection point

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关键词

Canonical scattering,Caustic,Popov inflection point problem,Stationary phase,Steepest descent

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