Abstract
Adhesive jointing shows advantages for alleviating stress concentration compared with traditional fasteners, which yet shows weak interface bonding ability. This chapter adopts exponential and bilinear cohesive models to predict the failure of adhesive joints using finite element analysis (FEA). Numerical algorithm for implementing cohesive models is presented based on the middle-plane interpolation technique by using ABAQUS-UEL subroutine. Effects of the cohesive strength and cohesive shape on simulating the failure of the single lap composite joint and the skin/stiffener composite panel under tension are discussed. The effect of different viscous parameters on the load responses of two composite structures is also studied.
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