AI Article Synopsis
- The study investigates how shear waves behave when passing through slabs filled with randomly dispersed hard, dense spheres in a viscoelastic material.
- By treating the slab like a Fabry-Pérot interferometer, researchers calculate key properties such as the effective wave number and mass density of the shear waves within this medium.
- The research shows that the motion of the spheres significantly influences wave propagation, validating a complex scattering model for scenarios with sphere volume fractions reaching 10%, and identifying two distinct propagation modes.
Article Abstract
We measure the reflection and transmission of shear waves by slabs of random dispersions of hard, dense spheres in a viscoelastic matrix. By modeling the slab as a Fabry-Pérot interferometer, we determine the effective wave number of coherent shear waves in this scattering medium and its effective mass density. We evidence the effect of the resonant rigid-body translation and rotation of the spheres on the propagation. We validate a vectorial model of multiple scattering for volume fractions of spheres up to 10%, revealing the signature of two modes of propagation.
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| http://dx.doi.org/10.1103/PhysRevE.103.L051001 | DOI Listing |
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