The Problem on Dynamical Loading of Plane Elastic Regions With Irregular Boundaries

[+] Author and Article Information
N. Morozov, I. Sourovtsova

Elasticity Department, State University, St. Petersburg, Bibliotechnaja pl. 2, St. Petersburg 198904, Russia

J. Appl. Mech 65(2), 476-478 (Jun 01, 1998) (3 pages) doi:10.1115/1.2789078 History: Received May 28, 1997; Revised October 30, 1997; Online October 25, 2007


The study of the problem of wave propagation in elastic wedge meets considerable difficulties, which are intensified by the presence of waves of two types that interact with each other through boundary conditions. However, some special surface loading permits separation of the potentials in the boundary conditions, but even in this case the problem cannot be simply reduced to two acoustic ones. The reason for this is that the edge condition cannot be satisfied if the disturbances are limited to a single type (longitudinal or shear). In spite of this the problem, such a special boundary loading nevertheless turns out to be very similar to the acoustic one, which makes it possible to find a closed analytical solution by means of the modified Kostrov method (Kostrov, 1966) and the idea of extension of operators. A similar approach is used for the study of the general problem of loading of the body with several angles.

Copyright © 1998 by The American Society of Mechanical Engineers
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