Vibration and Transient Response of a FGM Hollow Cylinder

In this article, analysis of vibrations and transient responses of a hollow cylinder made of functionally graded materials (FGMs) under a radially symmetric dynamic load is presented. The material of the FGM hollow cylinder is assumed to be isotropic with constant Poisson's ratio, exponentially...

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Bibliographic Details
Published in:Mechanics of advanced materials and structures 2014-07, Vol.21 (6), p.468-476
Main Authors: Dai, Hong-Liang, Rao, Yan-Ni
Format: Article
Language:English
Subjects:
Cylinders
Dynamic loads
Finite difference method
functionally graded material
Functionally gradient materials
hollow cylinder
Mathematical analysis
Mathematical models
transient response
Transient responses
Vibration
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Summary:In this article, analysis of vibrations and transient responses of a hollow cylinder made of functionally graded materials (FGMs) under a radially symmetric dynamic load is presented. The material of the FGM hollow cylinder is assumed to be isotropic with constant Poisson's ratio, exponentially-varying elastic modulus, and exponentially-varying density through the radial thickness. By means of the finite difference method and Newmark method, the governing equation of the FGM hollow cylinder under dynamic loads is solved. As numerical examples, the FGM hollow cylinder under impulsive load and that under sinusoidally varying dynamic load are discussed, and then many valuable characteristics are revealed.
ISSN:1537-6494
1537-6532
DOI:10.1080/15376494.2012.697605