其他摘要：An approximate solution for the title problem is obtained using a) The Rayleigh-Scqmidt method and b) A finite Element algorithm, in the case of clamped and simply supported plates. Good engineering agreement is shown to exist. It is shown that the Rayleigh-Schmidt method - allows for the straightforward determination of eigenvalues in the case where the plate is elastically restrained against rotation, the results been obtained on a pocket programmable calculation.
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