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Current research into modelling of shock damage to large scale composite panels

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Abstract

This study aims to model the damage incurred to large woven roving E-glass/vinyl-ester composite panels subjected to shock loads, with particular emphasis on developing an effective, simple to use delamination model. An energy criterion for failure is applied at resin-rich layers, which are modelled in between every ply. The finite element program Abaqus/Explicit together with a user material subroutine (VUMAT) is used to simulate both large and small scale impact tests. The resin-rich layers are modelled as non-linear elastic and matrix and fibre damage is modelled at the woven plies using Hashin’s 2D stress-based failure criteria with a once-only degradation of the material properties.

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Acknowledgements

The authors are grateful for the financial support provided by the Office of Naval Research, Office of Naval Research Global and the Health and Safety Executive of the United Kingdom. This work is declared a work of the U.S. Government and is not subject to copyright protection in the United States.

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Authors and Affiliations

  1. Department of Civil & Environmental Engineering, Imperial College London, London, SW7 2AZ, UK

    H. E. Johnson & L. A. Louca

  2. Department of Naval Architecture and Ocean Engineering, United States Naval Academy, Annapolis, MD, 21402, USA

    S. E. Mouring

Authors
  1. H. E. Johnson
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  2. L. A. Louca
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  3. S. E. Mouring
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Correspondence to H. E. Johnson.

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Johnson, H.E., Louca, L.A. & Mouring, S.E. Current research into modelling of shock damage to large scale composite panels. J Mater Sci 41, 6655–6672 (2006). https://doi.org/10.1007/s10853-006-0203-8

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