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  DOI Prefix   10.20431


 

International Journal of Scientific and Innovative Mathematical Research
Volume 7, Issue 1, 2019, Page No: 4-13

Analysis of Nonlinear Vibration of Euler-Bernoulli Beams Subjected to Compressive Axial Forcevia the Equivalent Linearization Method with a Weighted Averaging

Van-Hieu Dang*, Quang-Duy Le

Department of Mechanics, Thainguyen University of Technology, Thainguyen, Vietnam.

Citation :Van-Hieu Dang, Quang-Duy Le, Analysis of Nonlinear Vibration of Euler-Bernoulli Beams Subjected to Compressive Axial Forcevia the Equivalent Linearization Method with a Weighted Averaging International Journal of Scientific and Innovative Mathematical Research 2019 , 7(1) : 4-13.

Abstract

In this paper, the equivalent linearization method with a weighted averaging is applied to analyze nonlinear vibration of Euler-Bernoulli beam resting on the elastic foundationand subjected to the compressive axial force. Frequency-Amplitude relationships of beams with simply supported and clampedclamped end conditions are given in closed-forms. The present results are comparedwithonesachieved byusing He�s Variational Approach method and the 4th-order Runge-Kutta method, comparison shows accuracy of the obtained solution. Effects of the compressive axial force and the coefficient ofelastic foundation on the nonlinear vibration behavior of beam are investigated in this work.


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