Abstract
This paper considers the scattering of low-frequency elastic waves by a crack in a plate. A simple formula is derived for the reflection coefficient which serves as a lower bound to the reflection coefficient at higher frequencies.
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Crane, L., Gilchrist, M. & Miller, J. Analysis of Rayleigh-Lamb wave scattering by a crack in an elastic plate. Computational Mechanics 19, 533–537 (1997). https://doi.org/10.1007/s004660050205
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DOI: https://doi.org/10.1007/s004660050205