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Progressive failure analysis of notched composite plate by utilizing macro mechanics approach

Frontiers of Structural and Civil Engineering 2021年第3期15卷 623-642页

作者： Seyed M.N.GHOREISHI Mahdi FAKOOR Ahmad AZIZI Faculty of New Sciences and Technologies University of TehranTehran***Iran Department of Mechanical Engineering Science and Research BranchIslamic Azad UniversityTehran***Iran

In this study,gradual and sudden reduction methods were combined to simulate a progressive failure in notched composite plates using a macro mechanics *** the presented method,a progressive failure is simulated based on a linear softening law prior to a catastrophic failure,and thereafter,sudden reduction methods are employed for modeling a progressive *** combination method significantly reduces the computational cost and is also capable of simultaneously predicting the first and last ply failures(LPFs)in composite *** proposed method is intended to predict the first ply failure(FPF),LPF,and dominant failure modes of carbon/epoxy and glass/epoxy notched composite *** addition,the effects of mechanical properties and different stacking sequences on the propagation of damage in notched composite plates were *** results of the presented method were compared with experimental data previously reported in the *** comparing the numerical and experimental data,it is revealed that the proposed method can accurately simulate the failure propagation in notched composite plates at a low computational cost.

关键词： progressive failure notched composite plate Hashin failure criterion macro mechanics approach finite element method

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