Large acoustoelastic effect

Abiza, Z., Destrade, M. and Ogden, R. (2012) Large acoustoelastic effect. Wave Motion, 49(2), pp. 364-374. (doi: 10.1016/j.wavemoti.2011.12.002)

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Classical acoustoelasticity couples small-amplitude elastic wave propagation to an infinitesimal pre-deformation, in order to reveal and evaluate non-destructively third-order elasticity constants. Here, we see that acoustoelasticity can also be used to determine fourth-order constants, simply by coupling a small-amplitude wave with a small-but-finite pre-deformation. We present results for compressible weakly nonlinear elasticity, we make a link with the historical results of Bridgman on the physics of high pressures, and we show how to determine “D”, the so-called fourth-order elasticity constant of soft (incompressible, isotropic) solids by using infinitesimal waves.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Ogden, Professor Raymond
Authors: Abiza, Z., Destrade, M., and Ogden, R.
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
Journal Name:Wave Motion
Published Online:01 January 2011

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