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Stochastic failure modelling of unidirectional composite ply failure

Author

Listed:
  • Whiteside, M.B.
  • Pinho, S.T.
  • Robinson, P.

Abstract

Stochastic failure envelopes are generated through parallelised Monte Carlo Simulation of a physically based failure criteria for unidirectional carbon fibre/epoxy matrix composite plies. Two examples are presented to demonstrate the consequence on failure prediction of both statistical interaction of failure modes and uncertainty in global misalignment. Global variance-based Sobol sensitivity indices are computed to decompose the observed variance within the stochastic failure envelopes into contributions from physical input parameters. The paper highlights a selection of the potential advantages stochastic methodologies offer over the traditional deterministic approach.

Suggested Citation

  • Whiteside, M.B. & Pinho, S.T. & Robinson, P., 2012. "Stochastic failure modelling of unidirectional composite ply failure," Reliability Engineering and System Safety, Elsevier, vol. 108(C), pages 1-9.
    • Handle: RePEc:eee:reensy:v:108:y:2012:i:c:p:1-9
    DOI: 10.1016/j.ress.2012.05.006
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    References listed on IDEAS

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    1. Gayathri, P. & Umesh, K. & Ganguli, R., 2010. "Effect of matrix cracking and material uncertainty on composite plates," Reliability Engineering and System Safety, Elsevier, vol. 95(7), pages 716-728.
    2. Conceição António, Carlos & Hoffbauer, Luísa N., 2007. "Uncertainty analysis based on sensitivity applied to angle-ply composite structures," Reliability Engineering and System Safety, Elsevier, vol. 92(10), pages 1353-1362.
    3. Yeniay, Ozgur & Unal, Resit & Lepsch, Roger A., 2006. "Using dual response surfaces to reduce variability in launch vehicle design: A case study," Reliability Engineering and System Safety, Elsevier, vol. 91(4), pages 407-412.
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    Cited by:

    1. Marhavilas, P.K. & Koulouriotis, D.E. & Spartalis, S.H., 2013. "Harmonic analysis of occupational-accident time-series as a part of the quantified risk evaluation in worksites: Application on electric power industry and construction sector," Reliability Engineering and System Safety, Elsevier, vol. 112(C), pages 8-25.
    2. Sobey, A.J. & Blake, J.I.R. & Shenoi, R.A., 2013. "Monte Carlo reliability analysis of tophat stiffened composite plate structures under out of plane loading," Reliability Engineering and System Safety, Elsevier, vol. 110(C), pages 41-49.

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