Analyzing the effects of jump phenomenon in nonlinear vibration of thin circular functionally graded plates |
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| Authors: | A Allahverdizadeh R Oftadeh M J Mahjoob A Soleimani H Tavassoli |
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| Institution: | 1. Noise, Vibration and Acoustics (NVA) Research Center, School of Mechanical Engineering, University of Tehran, Tehran, Iran
2. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Isfahan, Iran
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| Abstract: | In this paper, the nonlinear vibration of a thin circular functionally graded material plates is studied. The plate thickness is constant, and the material properties of the plate are assumed to vary continuously through the thickness. The governing equations and boundary conditions are extracted. The assumed-time-mode method is used to analyze these equations. The time variable is eliminated by assuming a harmonic response for nonlinear vibration and using Kantorovich time averaging technique. Utilizing shooting and Runge–Kutta methods, the set of first-order nonlinear differential equations are solved. The effect of volume fraction index in free and forced vibration response and jump phenomenon is studied. The results show that jump phenomenon occur according to volume fraction index and uniform temperature in the special frequencies of forced vibration response. |
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