A Damage Model for Prediction of the Open-Hole Strength of Glare Laminates

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Abstract:

A three-dimensional progressive damage model is proposed to predict the open-hole tensile strength of Glare laminates. For the glass fiber reinforced epoxy the user subroutine UMAT is employed for description of the failure modes, such as matrix cracking and fiber failure. Behavior of the delamination between plies of the laminate is described using cohesive elements. Laminates with a rhombic hole, a square hole and a circular hole are taken into consideration separately. The results obtained by the present solution approach are validated with those available in the literatures.

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123-127

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June 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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