FREE VIBRATION ANALYSIS OF 2D-FGM ANNULAR SECTORIAL MODERATELY THICK PLATE RESTING ON ELASTIC FOUNDATION USING 2D-DQM SOLUTION

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RAOUFI MILAD; JAFARI MEHRABADI SAEED; SATOURI SOHEIL

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:15 Page(s): 299-306

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Title

FREE VIBRATION ANALYSIS OF 2D-FGM ANNULAR SECTORIAL MODERATELY THICK PLATE RESTING ON ELASTIC FOUNDATION USING 2D-DQM SOLUTION

Author(s)

RAOUFI MILAD | JAFARI MEHRABADI SAEED | SATOURI SOHEIL | Issue Writer Certificate

Keywords

TWO-DIMENSIONAL FUNCTIONALLY GRADEDQ2

ANNULAR SECTORIAL PLATEQ1

ELASTIC FOUNDATIONQ2

FIRST ORDER SHEAR DEFORMATION THEORYQ2

THE NUMERICAL DIFFERENTIAL QUADRATURE METHODQ2

Abstract

In this paper, free vibration of TWO-DIMENSIONAL FUNCTIONALLY GRADED (2D-FG) ANNULAR SECTORIAL PLATE surrounded by Winkler-Pasternak ELASTIC FOUNDATION has been investigated. It is assumed that the plate properties vary continuously through its both circumference and thickness according to power law distribution of the volume fraction. Primarily, we calculate the forces and resultant moments and then the total potential energy of system. Then, by applying the Hamilton’s principal any by regarding the first order shear deformation plate theory (FSDT) the governing differential equations have been derived. THE NUMERICAL DIFFERENTIAL QUADRATURE METHOD, (DQM), has been employed for solving the motion equations. Two different boundary conditions such as simply supported and clamp supported are considered. Initially, the obtained results were verified against those given in the literature and by ANSYS software and we confident from the obtain results. The effects of geometrical and ELASTIC FOUNDATION parameters along with FG power indices effects on the natural frequencies have been studied. The study of results shows that, ELASTIC FOUNDATION and FG parameters have significant effects on natural frequencies. By doing this research for 2D-FG materials the characteristic vibration of structure can be controlled by more parameters than 1D-FG materials.

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APA: Copy

RAOUFI, MILAD, JAFARI MEHRABADI, SAEED, & SATOURI, SOHEIL. (2015). FREE VIBRATION ANALYSIS OF 2D-FGM ANNULAR SECTORIAL MODERATELY THICK PLATE RESTING ON ELASTIC FOUNDATION USING 2D-DQM SOLUTION. MODARES MECHANICAL ENGINEERING, 14(15), 299-306. SID. https://sid.ir/paper/177684/en

Vancouver: Copy

RAOUFI MILAD, JAFARI MEHRABADI SAEED, SATOURI SOHEIL. FREE VIBRATION ANALYSIS OF 2D-FGM ANNULAR SECTORIAL MODERATELY THICK PLATE RESTING ON ELASTIC FOUNDATION USING 2D-DQM SOLUTION. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(15):299-306. Available from: https://sid.ir/paper/177684/en

IEEE: Copy

MILAD RAOUFI, SAEED JAFARI MEHRABADI, and SOHEIL SATOURI, “FREE VIBRATION ANALYSIS OF 2D-FGM ANNULAR SECTORIAL MODERATELY THICK PLATE RESTING ON ELASTIC FOUNDATION USING 2D-DQM SOLUTION,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 15, pp. 299–306, 2015, [Online]. Available: https://sid.ir/paper/177684/en

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