Abstract
The wave velocities in some media under different types of anisotropy are estimated applying the eigenvalue problem of material tensors. In this connection, the canonical representations of material tensors, as well as kinematic and dynamic conditions on the strong discontinuity surface are given. Using them the problem of finding the wave velocities is reduced to the eigenvalue problem for the corresponding dispersion tensor. In addition, dispersion equations for determining the wave velocities are obtained. In particular, classical and micropolar materials with different symbols of anisotropy (structure) are considered and the wave velocities through the eigenvalues of material tensors are found.
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Acknowledgements
This work was supported by the Shota Rustaveli National Science Foundation (project no. DI-2016-41) and the Russian Foundation for Basic Research (project no. 18–29– 10085–mk).
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Nikabadze, M., Ulukhanyan, A. (2019). Application of Eigenvalue Problems Under the Study of Wave Velocity in Some Media. In: Altenbach, H., Müller, W., Abali, B. (eds) Higher Gradient Materials and Related Generalized Continua. Advanced Structured Materials, vol 120. Springer, Cham. https://doi.org/10.1007/978-3-030-30406-5_10
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DOI: https://doi.org/10.1007/978-3-030-30406-5_10
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