TY - JOUR
T1 - Micromechanics-based progressive failure analysis of composite laminates using different constituent failure theories
AU - Moncada, Albert M.
AU - Chattopadhyay, Aditi
AU - Bednarcyk, Brett A.
AU - Arnold, Steven M.
N1 - Funding Information:
This work was supported by NASA [grant number NNX07AD70A].
PY - 2012/11
Y1 - 2012/11
N2 - Predicting failure in a composite can be performed using ply level mechanisms and/or micro level mechanisms. This paper uses the generalized method of cells and high-fidelity generalized method of cells micromechanics theories, coupled with classical lamination theory, to study progressive damage in composites. Different failure theories, implemented at the fiber and matrix constituent level within a laminate, are investigated. A comparison is made among maximum stress, maximum strain, Tsai-Hill, and Tsai-Wu failure theories. To verify the failure theories, the Worldwide Failure Exercise experiments are used. The Worldwide Failure Exercise is a comprehensive study that covers a wide range of polymer matrix composite laminates. The objectives of this paper are to evaluate the current predictive capabilities of the generalized method of cells and high-fidelity generalized method of cells micromechanics theories for the progressive failure prediction of polymer matrix composite laminates and to evaluate the influence of four failure criteria applied at the fiber/matrix constituent scale. The numerical results demonstrate overall agreement with the experimental results for most of the composite layups examined, but also point to the need for more accurate resin damage progression models.
AB - Predicting failure in a composite can be performed using ply level mechanisms and/or micro level mechanisms. This paper uses the generalized method of cells and high-fidelity generalized method of cells micromechanics theories, coupled with classical lamination theory, to study progressive damage in composites. Different failure theories, implemented at the fiber and matrix constituent level within a laminate, are investigated. A comparison is made among maximum stress, maximum strain, Tsai-Hill, and Tsai-Wu failure theories. To verify the failure theories, the Worldwide Failure Exercise experiments are used. The Worldwide Failure Exercise is a comprehensive study that covers a wide range of polymer matrix composite laminates. The objectives of this paper are to evaluate the current predictive capabilities of the generalized method of cells and high-fidelity generalized method of cells micromechanics theories for the progressive failure prediction of polymer matrix composite laminates and to evaluate the influence of four failure criteria applied at the fiber/matrix constituent scale. The numerical results demonstrate overall agreement with the experimental results for most of the composite layups examined, but also point to the need for more accurate resin damage progression models.
KW - Micromechanics
KW - Worldwide Failure Exercise
KW - composite material
KW - failure
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U2 - 10.1177/0731684412456330
DO - 10.1177/0731684412456330
M3 - Article
AN - SCOPUS:84868641844
SN - 0731-6844
VL - 31
SP - 1467
EP - 1487
JO - Journal of Reinforced Plastics and Composites
JF - Journal of Reinforced Plastics and Composites
IS - 21
ER -