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The edge wave on an elastically supported Kirchhoff plate
Julius Kaplunov1, Danila A Prikazchikov1, Graham A Rogerson1
1School of Computing and Mathematics, Keele University, Keele, Staffordshire, ST5 5BG, United Kingdom.
Abstract:
This Letter deals with an analysis of bending edge waves propagating along the free edge of a Kirchhoff plate supported by a Winkler foundation. The presence of a foundation leads to a non-zero cut-off frequency for this wave, along with a local minimum of the associated phase velocity. This minimum phase velocity corresponds to a critical speed of an edge moving load and is analogous to that in the classical 1D moving load problem for an elastically supported beam.
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