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Acoustic SH waves in deformed foam rubber

Kosiński S.

Vibrations in Physical Systems

2008

Vol. 23

205--210

The purpose of this paper is to consider the reflection-refraction problem of plane 2-D acoustic SH waves at a plane interface between two initially deformed nonlinear rubberlike materials. The standard procedure for the linearisation of the equations of motion was used. This approach bases on the assumption that small, time depending motions are superimposed on large static deformations. The initial deformations induce additional effects essential for the calculations of the reflection and refraction coefficients.