Anisotropic Simulation of Single Edge Cracks in Composite Laminates Using Singular Elements

Mohammad Zangeneh1 and Nasser Soltani
Department of Mechanical Engineering, Tehran University
1 Corresponding author: Email:


In this paper opening mode stress intensity factor for graphite/epoxy laminates with various lay-ups configurations such as, [0o], [90o], [±45o]s and [0o/±45o/90o]s under in-plane loading is simulated using finite element method. Opening mode stress intensity factor is then calculated by use of quarter point singular elements and J contour integration for each configuration. By comparing the results with values of stress intensity factor reported from other methods, accuracy of this method has been investigated.

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