E. A. Zlobina, A. P. Kiselev, “High-frequency diffraction by a contour with a jump of curvature. Limit ray”, Zap. Nauchn. Sem. POMI, 2018, Volume 471,Pages <nobr>113

This article is cited in 2 papers

High-frequency diffraction by a contour with a jump of curvature. Limit ray

E. A. Zlobina^a, A. P. Kiselev^ab

^a St. Petersburg State University, St. Petersburg, Russia
^b St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences, St. Petersburg, Russia

Abstract: High-frequency diffraction by a contour with a jump of curvature is addressed. Outgoing wavefield at the limit ray is studied.

Key words and phrases: diffraction, nonsmoof obstacles, high-frequency asymptotic, boundary layer approach, limit ray, the Helmholtz equation, ray method.

UDC: 517.9+534.26+537.874.6

Received: 01.11.2018