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Response of rectangular thick plates to moving single loads

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Summary

The response of a rectangular plate to a moving load is investigated. An improved plate theory which includes the effects of shear deformation and rotatory inertia as well as normal stress to the plate surface is introduced and the equation of motion in terms of single displacement is derived. Solutions are obtained by applying Fourier transforms. The effects of the approximation methods of the plate theory on the response of the displacement and the stress couples are examined with regard to the load velocity, plate dimensions, etc., in addition to the comparison with the results due to the classical plate theory.

Übersicht

Eine dynamische Analyse wird für eine Rechteckplatte unter beweglicher Belastung entwickelt. Für eine Plattenthcorie, die nicht nur Querschubverzerrung und Drehträgheit sondern auch Normalspannung zur Plattenfläche berücksichtigt, werden die von einer einzelnen Deformationskomponente bezeichneten Bewegungsgleichungen hergeleitet. Das Problem wird mit Hilfe von Fourier Transformationen gelöst. Die Einflüsse von den approximativen Verfahren der Plattentheorie auf die dynamischen Verhältnisse der Deformationen und der Biegemomente werden in Bezug auf Belastungsgeschwindigkeit, Plattendimension und so weiter ermittelt. Die Ergebnisse nach der klassischen Plattentheorie werden auch beschrieben.

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Shirakawa, K. Response of rectangular thick plates to moving single loads. Ing. arch 50, 165–175 (1981). https://doi.org/10.1007/BF00536487

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  • DOI: https://doi.org/10.1007/BF00536487

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