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Dynamic Characteristics of Layered Beam with Flexible Core

This paper presents an analytical theory to define the dynamic characteristics of a layered beam which is composed of two parallel beams of uniform properties with a flexible core in-between. This flexible core may be made of a kind of viscoelastic material in order to achieve a high shock-absorbing...

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Published in:	Journal of vibration and acoustics 1994-07, Vol.116 (3), p.350-356
Main Authors:	Chen, Y.-H, Sheu, J.-T
Format:	Article
Language:	English
Subjects:	Boundary value problems Dynamic response Exact sciences and technology Flexible structures Fundamental areas of phenomenology (including applications) Mathematical models Matrix algebra Physics Solid mechanics Structural analysis Structural and continuum mechanics Vibration control Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vibrations (mechanical) Vibrations and mechanical waves
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container_title	Journal of vibration and acoustics
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creator	Chen, Y.-H Sheu, J.-T
description	This paper presents an analytical theory to define the dynamic characteristics of a layered beam which is composed of two parallel beams of uniform properties with a flexible core in-between. This flexible core may be made of a kind of viscoelastic material in order to achieve a high shock-absorbing performance. The dynamic interactions between these two parallel beams are especially studied. The dynamic shape functions and the dynamic stiffness matrix of a layered-beam element are established based on the analytical model of two parallel damped Timoshenko beams, connected to each other by the vertical springs and dashpots uniformly distributed along the beam length. Some simple layered beams are employed as the application examples for demonstrations and discussions.
doi_str_mv	10.1115/1.2930435
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source	ASME journals archive 1980-1999
subjects	Boundary value problems Dynamic response Exact sciences and technology Flexible structures Fundamental areas of phenomenology (including applications) Mathematical models Matrix algebra Physics Solid mechanics Structural analysis Structural and continuum mechanics Vibration control Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vibrations (mechanical) Vibrations and mechanical waves
title	Dynamic Characteristics of Layered Beam with Flexible Core
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