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Geometrically Non-Linear Free Vibration Analysis of Functionally Graded Rectangular Plates

Authors: El Bikri Khalid, Benamar Rhali, Boukhzer Abdenbi


In the present study, the problem of geometrically non-linear free vibrations of functionally graded rectangular plates (FGRP) is studied. The theoretical model, previously developed and based on Hamilton’s principle, is adapted here to determine the fundamental non-linear mode shape of these plates. Frequency parameters, displacements and stress are given for various power-law distributions of the volume fractions of the constituents and various aspect ratios. Good agreement with previous published results is obtained in the case of linear and non-linear analyses.

Keywords: functionally graded materials, non-linear vibration, rectangular plates

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