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DYNAMIC STABILITY ANALYSIS OF A COMPOSITE MATERIAL CONNECTING ROD BY THE FINITE ELEMENT METHOD

DYNAMIC STABILITY ANALYSIS OF A COMPOSITE MATERIAL CONNECTING ROD BY THE FINITE ELEMENT METHOD The Euler beam theory is used to study the dynamic stability of a composite material slidercrank mechanism with an elastic connecting rod. The Ritz finite element procedure is applied to derive the governing equations of motion of the mechanism. Based on the assumption that the slidercrank mechanism is subjected to a sinusoidal input torque and the operation condition is at a steady dynamic state, the governing equations represent a system of second order differential equations with periodic coefficients of the MathieuHill type. Making use of the Bolotin method, the boundaries between stable and unstable solutions of the elastic connecting rod are constructed. The advantages of using composite materials in the design of mechanisms are demonstrated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations: International Journal for Computer-Aided Engineering and Software Emerald Publishing

DYNAMIC STABILITY ANALYSIS OF A COMPOSITE MATERIAL CONNECTING ROD BY THE FINITE ELEMENT METHOD

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References (19)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0264-4401
DOI
10.1108/eb023826
Publisher site
See Article on Publisher Site

Abstract

The Euler beam theory is used to study the dynamic stability of a composite material slidercrank mechanism with an elastic connecting rod. The Ritz finite element procedure is applied to derive the governing equations of motion of the mechanism. Based on the assumption that the slidercrank mechanism is subjected to a sinusoidal input torque and the operation condition is at a steady dynamic state, the governing equations represent a system of second order differential equations with periodic coefficients of the MathieuHill type. Making use of the Bolotin method, the boundaries between stable and unstable solutions of the elastic connecting rod are constructed. The advantages of using composite materials in the design of mechanisms are demonstrated.

Journal

Engineering Computations: International Journal for Computer-Aided Engineering and SoftwareEmerald Publishing

Published: Jan 1, 1991

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