Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 364-374 |
| Number of pages | 11 |
| Journal | Wave Motion |
| Volume | 49 |
| Issue number | 2 |
| Early online date | 16 Dec 2011 |
| DOIs | |
| Publication status | Published - Mar 2012 |
Keywords
- acousto-elasticity
- high pressures
- large pre-tension
- elastic constants