An extension of the point-stress criterion based on a coupled stress and energy fulfilment
Application to the prediction of the open-hole tensile strength of a composite plate
, D. Leguillon2
, and N. Carrère3 1LCTS, CNRS UMR 5801, Univ. Bordeaux, Pessac, France 2IJLRA, CNRS UMR 7190, Univ. P. et M. Curie, Paris, France 3LBMS, ENSTA Bretagne, Univ. Brest, Brest, France
The strength of an open-holed composite plate subjected to tensile loading is analysed with the help of a coupled strength-and-energy criterion. Analytical and numerical models are used to determine the stress distribution from and energy released by crack nucleation in the vicinity of the hole. It is shown that the hole size effect can be described, ...
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