We present a brief review of the problem of acoustic propagation in granular media and discuss recent progress on nonlinear acoustics in granular media. The presentation emphasizes the solitary wave like properties of impulse propagation in granular media at vanishingly small loading conditions and discusses the possible spectroscopic applications of nonlinear impulse acoustics in the detection of buried inclusions.

Surajit Sen

Department of Bioscience & Bioengineering

IIT Jodhpur

M. Manciu

R.S. Sinkovits

A.J. Hurd

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Journal	Granular Matter
ISSN	14345021