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Vibration analysis of structural elements using differential quadrature method
Mohamed Nassar1, Mohamed S Matbuly2, Ola Ragb2
1Department of Engineering Mathematics and Physics, Faculty of Engineering, Cairo University, Giza, Egypt.
Abstract:
The method of differential quadrature is employed to analyze the free vibration of a cracked cantilever beam resting on elastic foundation. The beam is made of a functionally graded material and rests on a Winkler-Pasternak foundation. The crack action is simulated by a line spring model. Also, the differential quadrature method with a geometric mapping are applied to study the free vibration of irregular plates. The obtained results agreed with the previous studies in the literature. Further, a parametric study is introduced to investigate the effects of geometric and elastic characteristics of the problem on the natural frequencies.
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