Attention is given to the stresses and the strain energy release rate along the delamination front in the present three-dimensional elastic analysis of a 24-ply, cocured double-cantilever beam specimen by means of 20-noded parabolic-isoparametric finite elements. At the free surface, the strain energy release rate was found to be substantially smaller than the plane strain value; this is suggested to be due to the free-surface effect that exists where the delamination meets the surface edge.


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    Title :

    Three-dimensional elastic analysis of a composite double cantilever beam specimen


    Contributors:

    Published in:

    Publication date :

    1988-12-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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