Non-uniform beam vibration using Differential Transform Method

The paper focuses on the vibration characteristics of non-uniform Euler- Bernoulli beam using Differential Transform Method (DTM). DTM is a numerical method to solve differential equations where the governing equations are reduced into a set of polynomials. Non-uniformity is considered corresponding...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-09, Vol.149 (1), p.12158
Main Authors: Shali, S, Nagaraja, S R, Jafarali, P
Format: Article
Language:English
Subjects:
Differential equations
Eigenvalues
Frequency analysis
Mathematical analysis
Nonuniformity
Numerical methods
Polynomials
Resonant frequencies
Vibration
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Summary:The paper focuses on the vibration characteristics of non-uniform Euler- Bernoulli beam using Differential Transform Method (DTM). DTM is a numerical method to solve differential equations where the governing equations are reduced into a set of polynomials. Non-uniformity is considered corresponding to linear variation in breadth and height of the beam. The effect of taper ratio on the fundamental frequency of tapered beams is also analysed. The method has proved to be accurate, simple and effective for eigenvalue analysis. For the two cases of non-uniform beam analysed, the frequency computed by the method of differential transform is found to be comparable with the previously available results.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/149/1/012158