Study on Free Vibration and Wave Power Reflection in Functionally Graded Rectangular Plates using Wave Propagation Approach
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JACM-5-1_007
تاریخ نمایه سازی: 19 تیر 1398
Abstract:
In this paper, the wave propagation approach is presented to analyze the vibration and wave power reflection in FG rectangular plates based on the first order shear deformation plate theory. The wave propagation is one of the useful methods for analyzing the vibration of structures. This method gives the reflection and propagation matrices that are valuable for the analysis of mechanical energy transmission in devices. It is assumed that the plate has two opposite edges simply supported while the other two edges may be simply supported or clamped. It is the first time that the wave propagation method is used for functionally graded plates. In this study, firstly, the matrices of reflection and propagation are derived. Second, these matrices are combined to provide an exact method for obtaining the natural frequencies. It is observed that the obtained results of the wave propagation method are in a good agreement with the obtained values in literature. At the end, the behavior of reflection coefficients for FG plates are studied for the first time.
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Authors
Ali Zargaripoor
School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
Ali Reza Daneshmehr
School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
Mansour Nikkhah Bahrami
School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
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