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Vibration of beams with double delaminations

Della, Christian N. and Shu, Dongwei (2005) Vibration of beams with double delaminations Journal of Sound and Vibration, 282, (3-5), pp. 919-935. (doi:10.1016/j.jsv.2004.03.052).

Record type: Article

Abstract

The vibration of beams with double delaminations has been solved analytically without resorting to numerical approximation. The beam is analyzed as five interconnected beams using the delaminations as their boundaries. The continuity and boundary conditions are satisfied between adjoining beams. Classical beam theory is applied to each of the beams. A new slenderness ratio specific for vibration is introduced, which is shown to dominate the vibration behavior of the beam. Global, mixed and local vibration modes occur depending upon the slenderness ratios of the delaminated beams. Different vibration behaviors emerge for different sizes, depths, spanwise locations and relative slenderness ratios of the delaminations.

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More information

Submitted date: 22 October 2003
Published date: 22 April 2005
Keywords: delaminations, vibration, natural frequency, sandwich beam
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 50339
URI: http://eprints.soton.ac.uk/id/eprint/50339
ISSN: 0022-460X
PURE UUID: 30ecaf45-2fb3-470b-acb4-17bcc9e21a62

Catalogue record

Date deposited: 18 Feb 2008
Last modified: 17 Jul 2017 14:53

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Contributors

Author: Christian N. Della
Author: Dongwei Shu

University divisions

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