Abstract

A simplified representation of the propagation of plane elastic waves in an isotropic infinite plate has been developed by means of a graphical technique. The method employs oblique two-dimensional lattices which have been constructed for both the dilatational and distortional wave components. These lattices, which were obtained from a knowledge of the wave velocities and the plate thickness, have properties closely related to those of the Pascal triangle. The lattices have been used to study some of the geometric and kinematic characteristics of the wave propagation. Examples have been given for alumina.

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