Finite element modelling of inter-ply delamination and intra-yarn cracking in textile laminates

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Ivanov, Dimitry S. and Ivanov, Sergey G. and Lomov, Stepan V. and Verpoest, Ignaas (2011) Finite element modelling of inter-ply delamination and intra-yarn cracking in textile laminates. In: SAMPE EUROPE 32nd International Technical Conference, SEICO 2011, 28-29 March 2011, Paris, France.

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Abstract:The aim of the current study is to demonstrate the effect of inter-ply delamination on stiffness degradation of multi-ply woven composites. Such a demonstration becomes possible due to new technique of modelling textile laminates. It is based on set of boundary value problems for unit cell of a single ply, where boundary conditions imitate interaction with the other plies. Once these problems are solved, local stress distribution and stiffness of the laminate are determined analytically as function of number of the plies and local stress/strain fields obtained in these problems. Hence, it opens the road for an efficient modelling of delamination, which is described as gradual reduction of plies in the laminate.
Item Type:Conference or Workshop Item
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Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/76099
Organisation URL:http://www.sampe-europe.org/
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