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Monte Carlo reliability analysis of tophat stiffened composite plate structures under out of plane loading

Monte Carlo reliability analysis of tophat stiffened composite plate structures under out of plane loading
Monte Carlo reliability analysis of tophat stiffened composite plate structures under out of plane loading
Composite materials are often utilised for their high strength to weight ratio, excellent corrosion resistance, etc. but are also characterised by variabilities and uncertainties in their mechanical properties owing to the material make-up, process and fabrication techniques. It is essential that modelling techniques continue to be developed to take account of these variabilities and uncertainties and as more complicated structures are developed it is important to have rapid assessment methods to determine the reliability of these structures. Grillage analysis methods have been previously used for assessment of tophat stiffened composite structures using simple failure criteria. As new criteria are introduced, such as by the World Wide Failure Exercise, the response of more complex topologies must be introduced. This paper therefore assesses the reliability of composite grillages using Navier grillage method incorporating up to date failure criteria. An example, taken from boatbuilding, is used to show the results of using these more complex assessment methods showing that it is of high importance to use the correct assessment criteria
monte carlo simulation, composite failure, structures
0951-8320
41-49
Sobey, A.J.
e850606f-aa79-4c99-8682-2cfffda3cd28
Blake, J.I.R.
6afa420d-0936-4acc-861b-36885406c891
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Sobey, A.J.
e850606f-aa79-4c99-8682-2cfffda3cd28
Blake, J.I.R.
6afa420d-0936-4acc-861b-36885406c891
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960

Sobey, A.J., Blake, J.I.R. and Shenoi, R.A. (2013) Monte Carlo reliability analysis of tophat stiffened composite plate structures under out of plane loading. Journal of Reliability Engineering and System Safety, 110, 41-49. (doi:10.1016/j.ress.2012.08.011).

Record type: Article

Abstract

Composite materials are often utilised for their high strength to weight ratio, excellent corrosion resistance, etc. but are also characterised by variabilities and uncertainties in their mechanical properties owing to the material make-up, process and fabrication techniques. It is essential that modelling techniques continue to be developed to take account of these variabilities and uncertainties and as more complicated structures are developed it is important to have rapid assessment methods to determine the reliability of these structures. Grillage analysis methods have been previously used for assessment of tophat stiffened composite structures using simple failure criteria. As new criteria are introduced, such as by the World Wide Failure Exercise, the response of more complex topologies must be introduced. This paper therefore assesses the reliability of composite grillages using Navier grillage method incorporating up to date failure criteria. An example, taken from boatbuilding, is used to show the results of using these more complex assessment methods showing that it is of high importance to use the correct assessment criteria

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e-pub ahead of print date: 5 September 2012
Published date: February 2013
Keywords: monte carlo simulation, composite failure, structures
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 349498
URI: http://eprints.soton.ac.uk/id/eprint/349498
ISSN: 0951-8320
PURE UUID: bfd2e852-40ec-4050-b592-8e45048abeb7
ORCID for A.J. Sobey: ORCID iD orcid.org/0000-0001-6880-8338
ORCID for J.I.R. Blake: ORCID iD orcid.org/0000-0001-5291-8233

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Date deposited: 06 Mar 2013 12:15
Last modified: 18 Feb 2021 17:09

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Contributors

Author: A.J. Sobey ORCID iD
Author: J.I.R. Blake ORCID iD
Author: R.A. Shenoi

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