Abstract

The inhomogeneous wave equation for a plane compressional wave propagating in a Voigt medium is solved to yield exact mathematical expressions for the medium's response to a unit impulse excitation pressure. The solutions obtained, which are Green's function of the medium, show the pulse-lengthening, attenuation, and oscillation properties of Voigt waves. It is shown that, unlike previously published solutions, particle velocities oscillate because of elastic recovery of the stressed medium.

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