Abstract
In this report, we present an investigation of the dispersion properties of the phononic crystal in different lattice, geometries for various piezoelectric materials. We study dispersion properties of the epoxy resin/piezoelectric based phononic structures in the frequency range by using the finite element method for various lattices, piezoelectric materials and cross-sectional inclusions. The effect of the cross-section of piezoelectric inclusions, lattice geometry and filling factor on the phononic band gap is illustrated. A numerical approach is used to obtain the dispersion properties of the 2D piezoelectric phononic crystals which yields further insight into the phenomenon of the reflection from different families of piezoelectric in relation to the presence of phononic gaps.
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