Shock and Vibration

Shock and Vibration / 2012 / Article

Open Access

Volume 19 |Article ID 237605 | 13 pages | https://doi.org/10.3233/SAV-2012-0720

Estimation of Damping in Layered Welded Structures with Unequal Thickness

Received28 Mar 2011
Revised05 Feb 2012

Abstract

The present work is focused on the study of damping mechanism in layered and welded cantilever beams with unequal thickness. It is observed that a number of vital parameters such as: thickness ratio, pressure distribution characteristics, relative slip and kinematic co-efficient of friction at the interfaces, initial amplitude of excitation, length and thickness of the beam specimen govern the damping capacity of these structures. Experiments have been conducted in order to study the effect of these parameters and validate the developed damping model. The damping model of the structure is found to be in fairly good agreement with the measured data. Finally, the results for the damping capacity are discussed and rationalized.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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