Volume 37, Issue 1 (9-2018)
2018, 37(1): 51-64 |
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Shirmohammadi F, Saadatpour M M. Modelling Wave Propagation in Thin Plates with the pectral Modal Method. Computational Methods in Engineering 2018; 37 (1) :51-64
URL: http://jcme.iut.ac.ir/article-1-710-en.html
URL: http://jcme.iut.ac.ir/article-1-710-en.html
1- Department of Civil Engineering, Isfahan University of Technology, Isfahan, Iran.
2- Department of Civil Engineering, Isfahan University of Technology, Isfahan, Iran. ,mmehdi@cc.iut.ac.ir
2- Department of Civil Engineering, Isfahan University of Technology, Isfahan, Iran. ,
Abstract: (3893 Views)
In this article spectral modal method is developed for studying wave propagation in thin plates with constant or variable thickness. Theses plates are subjected to the impact forces and different boundary conditions. Spectral modal method can be considered as the combination of Dynamic Stiffness Method (DSM), Fourier Analysis Method (FAM) and Finite Stripe Method (FSM). Using modeling of continuous distribution of mass and an exact stiffness causes solutions in frequency domain. Unlike the most numerical methods, in this method refining meshes is no longer necessary in which the cost and computational time is decreased. In this paper the important parameters of the method and their effects on results are studied through different examples.
Keywords: Rectangular thin plates, Wave propagation, Spectral finite element method, Spectral modal method, Dynamic of Plates
Type of Study: Applicable |
Subject:
Special
Received: 2018/01/29 | Accepted: 2018/02/3 | Published: 2018/09/15
Received: 2018/01/29 | Accepted: 2018/02/3 | Published: 2018/09/15
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