Key Engineering Materials Vols. 243-244

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Abstract: This paper presents the adaptation of the analytical method for transverse laminacracking in multidirectionally laminated composites to the finite element method. The damageinitiation and extension in a structure made of the laminated composite are evaluated by thedeveloped finite element method. The reduction in the stiffness of the laminated composite thatcaused by the crack growth is evaluated by the total force method. In the present analyses by thedeveloped method, the critical strain of the crack growth is the value of the strain which satisfiesboth energy criterion and stress criterion. To demonstrate the accuracy of the developed method,the analytical results of crack growth in CFRP quasi-isotropic laminate with a circular hole arecompared with experimental results.
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