On Non-linear Free Vibrations of a Beam with Pinned Ends

The free vibration of a pinned end beam undergoing large transverse deflection is examined. The equation of motion for this problem is reduced to a Duffing-type equation with a small perturbation parameter. The method of multiple scales is used to determine a uniformly valid higher third order pertu...

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Published in:Journal of King Saud University: Engineering Sciences
Main Author: Mosad A. Foda
Format: Article
Language:English
Published: Springer 1995-01-01
Online Access:http://www.sciencedirect.com/science/article/pii/S1018363918306196
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author Mosad A. Foda
author_facet Mosad A. Foda
author_sort Mosad A. Foda
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container_title Journal of King Saud University: Engineering Sciences
description The free vibration of a pinned end beam undergoing large transverse deflection is examined. The equation of motion for this problem is reduced to a Duffing-type equation with a small perturbation parameter. The method of multiple scales is used to determine a uniformly valid higher third order perturbation solution. The predictions of the non-linear frequencies are in excellent agreement with the exact solution obtained from the direct integration of elliptic integral. Also presented are the harmonic contents of the non-linear transverse displacement.
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spelling doaj-ecc719f2bbd44651be82f761243cf6312025-11-03T01:28:04ZengSpringerJournal of King Saud University: Engineering Sciences1018-36391995-01-01719310610.1016/S1018-3639(18)30619-6On Non-linear Free Vibrations of a Beam with Pinned EndsMosad A. Foda0Mechanical Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi ArabiaThe free vibration of a pinned end beam undergoing large transverse deflection is examined. The equation of motion for this problem is reduced to a Duffing-type equation with a small perturbation parameter. The method of multiple scales is used to determine a uniformly valid higher third order perturbation solution. The predictions of the non-linear frequencies are in excellent agreement with the exact solution obtained from the direct integration of elliptic integral. Also presented are the harmonic contents of the non-linear transverse displacement.http://www.sciencedirect.com/science/article/pii/S1018363918306196
spellingShingle Mosad A. Foda
On Non-linear Free Vibrations of a Beam with Pinned Ends
title On Non-linear Free Vibrations of a Beam with Pinned Ends
title_full On Non-linear Free Vibrations of a Beam with Pinned Ends
title_fullStr On Non-linear Free Vibrations of a Beam with Pinned Ends
title_full_unstemmed On Non-linear Free Vibrations of a Beam with Pinned Ends
title_short On Non-linear Free Vibrations of a Beam with Pinned Ends
title_sort on non linear free vibrations of a beam with pinned ends
url http://www.sciencedirect.com/science/article/pii/S1018363918306196
work_keys_str_mv AT mosadafoda onnonlinearfreevibrationsofabeamwithpinnedends