Study of nonlinear vibration of Euler-Bernoulli beams by using analytical approximate techniques

In this paper, nonlinear responses of a clamped-clamped buckled beam are investigated. Two efficient and easy mathematical techniques called He's Variational Approach and Laplace Iteration Method are used to solve the governing differential equation of motion. To assess the accuracy of solution...

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Bibliographic Details
Main Author: Bagheri,S. (author)
Other Authors: Nikkar,A. (author), Ghaffarzadeh,H. (author)
Format: article
Language:eng
Published: 2014
Subjects:
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252014000100010
Country:Brazil
Oai:oai:scielo:S1679-78252014000100010
Description
Summary:In this paper, nonlinear responses of a clamped-clamped buckled beam are investigated. Two efficient and easy mathematical techniques called He's Variational Approach and Laplace Iteration Method are used to solve the governing differential equation of motion. To assess the accuracy of solutions, we compare the results with the Runge-Kutta 4th order. The results show that both methods can be easily extended to other nonlinear oscillations and it can be predicted that both methods can be found widely applicable in engineering and physics.