@article{discovery10184848, note = {This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third-party material in this article are included in the Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/}, publisher = {Elsevier BV}, year = {2024}, volume = {125}, title = {A caustic terminating at an inflection point}, month = {February}, journal = {Wave Motion}, keywords = {Canonical scattering, Caustic, Popov inflection point problem, Stationary phase, Steepest descent}, author = {Ockendon, JR and Ockendon, H and Tew, RH and Hewett, DP and Gibbs, A}, abstract = {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.}, url = {http://dx.doi.org/10.1016/j.wavemoti.2023.103257} }