Volume 14, Issue 1 (4-2014)
Modares Mechanical Engineering 2014, 14(1): 140-148 |
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Ebrahimi F. Effect of functionally graded microstructure on dynamic stability of piezoelectric circular plates. Modares Mechanical Engineering 2014; 14 (1) :140-148
URL: http://mme.modares.ac.ir/article-15-9307-en.html
URL: http://mme.modares.ac.ir/article-15-9307-en.html
Abstract: (5883 Views)
Analytical solution for the dynamic stability analysis of functionally graded piezoelectric materials (FGPM) circular plates has been presented based on Love-Kirchhoff hypothesis and the Sander’s non-linear strain-displacement relation. The FGPM plate assumed to be gradded across the thickness. The material properties of the FGPM plate assumed to vary continuously through the thickness of the plate according to a power law distribution of the volume fraction of the constituent materials. The plates are subjected to a radial loading and electric field in the normal direction. Bolotin’s method has been employed to obtain the dynamic instability regions. The effect of plate parameters such as thickness–radius ratios, power index, as well as electric field and state loads on instability behavior of the plate is comprehensively investigated.The functionally graded composite material plays a significant role in changing the unstable regions and the buckling loads.
Article Type: Research Article |
Subject:
Stress Analysis|Composites
Received: 2013/07/28 | Accepted: 2013/09/22 | Published: 2014/06/1
Received: 2013/07/28 | Accepted: 2013/09/22 | Published: 2014/06/1
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