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Vibration of beams with two overlapping delaminations in prebuckled states

Della, Christian N. and Shu, Dongwei (2007) Vibration of beams with two overlapping delaminations in prebuckled states Composites Part B: Engineering, 38, (2), pp. 109-118. (doi:10.1016/j.compositesb.2006.08.001).

Record type: Article

Abstract

An analytical solution for the free vibrations of beams with two overlapping delaminations in prebuckled states is presented. The delaminated beam is analyzed as seven interconnected Euler–Bernoulli beams. The continuity and boundary conditions are satisfied between adjoining beams. Both the ‘free mode’ and the ‘constrained mode’ assumption in delamination buckling and vibration are used. A parametric study is performed to investigate the influence of the axial compressive load on the natural frequency and the mode shape of the delaminated beam. A monotonic relation between the natural frequency and the compressive load is observed. Comparisons with the analytical results reported for delamination buckling and vibration verify the validity of the present solution.

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More information

Submitted date: 21 December 2005
Published date: March 2007
Keywords: composite beams, delamination, vibration, buckling, analytical modelling
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 50334
URI: http://eprints.soton.ac.uk/id/eprint/50334
ISSN: 1359-8368
PURE UUID: 4eda4a79-74e8-4366-b94c-2ae532f2331e

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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