Abstract
The main goal of this paper is to present computational analysis of damage evolution in the adhesive joint connecting composite pipes subjected to tension with the constant amplitude. This approach uses the average shear stress criterion for defect propagation within adhesive layer and applies the continuum damage mechanics concept to continuum crack-like damage representation in terms of the finite element stiffness as a damage measure. Numerical studies are performed using the commercial Finite Element Method displacement-based program ANSYS using its special purpose finite element birth and death option. The prediction of composite pipe joint life is described in terms of defect growth rate as a function of load cycles number. Finally, a relation between the mean applied stress and the crack-like defect growth rate is obtained from computational simulation.
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