Quintic B-spline collocation method for numerical solution of free vibration of tapered Euler-Bernoulli beam on variable Winkler foundation

Amin Ghannadiasl

doi:10.15282/jmes.15.2.2021.18.0643

Authors

A. Ghannadiasl Faculty Department of Civil Engineering, Faculty of Engineering, University of Mohaghegh Ardabili, Ardabil, Iran. Phone: +989144511813; Fax: +984531505720

DOI:

https://doi.org/10.15282/jmes.15.2.2021.18.0643

Keywords:

Collocation method, Tapered Euler-Bernoulli beam, Winkler foundation, Boundary condition, B-spline function

Abstract

The collocation method is the method for the numerical solution of integral equations and partial and ordinary diﬀerential equations. The main idea of this method is to choose a number of points in the domain and a ﬁnite-dimensional space of candidate solutions. So, that solution satisﬁes the governing equation at the collocation points. The current paper involves developing, and a comprehensive, step-by step procedure for applying the collocation method to the numerical solution of free vibration of tapered Euler-Bernoulli beam. In this stusy, it is assumed the beam rested on variable Winkler foundation. The simplicity of this approximation method makes it an ideal candidate for computer implementation. Finally, the numerical examples are introduced to show eﬃciency and applicability of quintic B-spline collocation method. Numerical results are demonstrated that quintic B-spline collocation method is very competitive for numerical solution of frequency analysis of tapered beam on variable elastic foundation.

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