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Material symmetries and inhomogeneous waves in piezoelectric media

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Summary

The occurrence of directions along which purely longitudinal waves (specific directions) or purely transverse waves (specific axes) are polarized is investigated in dispersive piezoelectric solids. A connection between such directions and the material symmetry of the medium is established within the framework of inhomogeneous plane waves which properly account for dissipation. Crystal classes which allow for both specific directions and specific axes are then identified. Solutions to the eigenvalue problem of wave propagation are derived in order to extend previous results on elastic and viscoelastic solids.

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  1. M. Romeo

    Present address: D.I.B.E., Università, via Opera Pia, 11/a, 16145, Genova, Italy

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    1. M. Romeo
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    Romeo, M. Material symmetries and inhomogeneous waves in piezoelectric media. Acta Mechanica 118, 27–37 (1996). https://doi.org/10.1007/BF01410505

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