{ "id": "1611.06994", "version": "v1", "published": "2016-11-21T20:19:02.000Z", "updated": "2016-11-21T20:19:02.000Z", "title": "Diffraction of Elastic Waves by Edges", "authors": [ "Vitaly Katsnelson" ], "comment": "40 pages, 2 figures. arXiv admin note: text overlap with arXiv:math/0612750 by other authors", "categories": [ "math.AP" ], "abstract": "We investigate the diffraction of singularities of solutions to the linear elastic equation on manifolds with edge singularities. Such manifolds are modeled on the product of a smooth manifold and a cone over a compact fiber. For the fundamental solution, the initial pole generates a pressure wave (p-wave), and a secondary, slower shear wave (s wave). If the initial pole is appropriately situated near the edge, we show that when a p-wave strikes the edge, the diffracted p-waves and s-waves (i.e. loosely speaking, do not correspond to limits of p-rays which just miss the edge) are weaker in a Sobolev sense than the incident p-wave. We also show an analogous result for an s-wave that hits the edge, and provide results for more general situations.", "revisions": [ { "version": "v1", "updated": "2016-11-21T20:19:02.000Z" } ], "analyses": { "keywords": [ "elastic waves", "diffraction", "initial pole generates", "linear elastic equation", "slower shear wave" ], "note": { "typesetting": "TeX", "pages": 40, "language": "en", "license": "arXiv", "status": "editable" } } }