In this article, the effect of Pasternak foundation on free axisymmetric vibration of functionally graded circular plates subjected to mechanical in-plane force and a nonlinear temperature distribution (NTD) along the thickness direction has been investigated on the basis of classical plate theory. The plate material is graded in thickness direction according to a power-law distribution and its mechanical properties are assumed to be temperature-dependent (TD). At first, the equation for thermo-elastic equilibrium and then equation of motion for such a plate model have been derived by Hamilton's principle. Employing generalized differential quadrature rule (GDQR), the numerical values of thermal displacements and frequencies for clamped and simply supported plates vibrating in the first three modes have been computed. Values of in-plane force parameter for which the plate ceases to vibrate have been reported as critical buckling loads. The effect of temperature difference, material graded index, in-plane force, and foundation parameters on the frequencies has been analyzed. The benchmark results for uniform and linear temperature distributions (LTDs) have been computed. A study for plates made with the material having temperature-independent (TI) mechanical properties has also been performed as a special case. Comparison of results with the published work has been presented.
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On the High-Temperature Free Vibration Analysis of Elastically Supported Functionally Graded Material Plates Under Mechanical In-Plane
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October 2019
Research-Article
On the High-Temperature Free Vibration Analysis of Elastically Supported Functionally Graded Material Plates Under Mechanical In-Plane
Force Via GDQR
Rahul Saini
Rahul Saini
1Corresponding author.
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Roshan Lal
Rahul Saini
1Corresponding author.
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT,AND CONTROL. Manuscript received December 9, 2018; final manuscript received April 9, 2019; published online May 17, 2019. Assoc. Editor: Richard Bearee.
J. Dyn. Sys., Meas., Control. Oct 2019, 141(10): 101003 (12 pages)
Published Online: May 17, 2019
Article history
Received:
December 9, 2018
Revised:
April 9, 2019
Citation
Lal, R., and Saini, R. (May 17, 2019). "On the High-Temperature Free Vibration Analysis of Elastically Supported Functionally Graded Material Plates Under Mechanical In-Plane
Force Via GDQR." ASME. J. Dyn. Sys., Meas., Control. October 2019; 141(10): 101003. https://doi.org/10.1115/1.4043489
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