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Strength modelling in stiffened FRP structures with viscoelastic inserts for ocean structures

Strength modelling in stiffened FRP structures with viscoelastic inserts for ocean structures
Strength modelling in stiffened FRP structures with viscoelastic inserts for ocean structures
The purpose of this paper is to investigate the static structural response of a new type of composite stiffener containing a viscoelastic insert. The introduction of this material has proven benefits in terms of noise and vibration attenuation across the joint. House, 1997 describes the use of this material in sonar dome/hull connections — equipment sensitive to noise and vibration. Structural stiffeners incorporating this material would have positive implications for not only marine and ocean structures but for structural applications in general. The effects of introducing this new material on the structural response of the joint are numerically examined by using a progressive damage model. Application of this method allows the initiation and progression of failure and ultimate failure load to be predicted. Experimental results show good qualitative and quantitative agreement with the predictive damage model.
stiffeners, progressive damage, tsai–hill, viscoelastic, finite element analysis, failure criteria
0029-8018
849-869
Blake, J.I.R.
6afa420d-0936-4acc-861b-36885406c891
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
House, J.
ff9da2c0-12b8-420b-8d80-4cf74a0fbb8a
Turton, T.
4f9a7b08-22df-46a2-972c-dde725eb6c74
Blake, J.I.R.
6afa420d-0936-4acc-861b-36885406c891
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
House, J.
ff9da2c0-12b8-420b-8d80-4cf74a0fbb8a
Turton, T.
4f9a7b08-22df-46a2-972c-dde725eb6c74

Blake, J.I.R., Shenoi, R.A., House, J. and Turton, T. (2002) Strength modelling in stiffened FRP structures with viscoelastic inserts for ocean structures. Ocean Engineering, 29 (8), 849-869. (doi:10.1016/S0029-8018(01)00057-9).

Record type: Article

Abstract

The purpose of this paper is to investigate the static structural response of a new type of composite stiffener containing a viscoelastic insert. The introduction of this material has proven benefits in terms of noise and vibration attenuation across the joint. House, 1997 describes the use of this material in sonar dome/hull connections — equipment sensitive to noise and vibration. Structural stiffeners incorporating this material would have positive implications for not only marine and ocean structures but for structural applications in general. The effects of introducing this new material on the structural response of the joint are numerically examined by using a progressive damage model. Application of this method allows the initiation and progression of failure and ultimate failure load to be predicted. Experimental results show good qualitative and quantitative agreement with the predictive damage model.

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More information

Published date: 2002
Keywords: stiffeners, progressive damage, tsai–hill, viscoelastic, finite element analysis, failure criteria

Identifiers

Local EPrints ID: 22534
URI: http://eprints.soton.ac.uk/id/eprint/22534
ISSN: 0029-8018
PURE UUID: d57e530e-7a7c-4a5e-aba5-beaab0205f77
ORCID for J.I.R. Blake: ORCID iD orcid.org/0000-0001-5291-8233

Catalogue record

Date deposited: 28 Mar 2006
Last modified: 18 Feb 2021 16:50

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