Modeling Surface-Bonded Structures with ABAQUS Cohesive Elements: Beam-Type Solutions
2004
ABAQUS has implemented a new capability for modeling failure in V6.5 based on a cohesive element formulation. This paper evaluates the modeling of crack initiation and propagation in surface-bonded structures using this new approach. Specifically, the work looks at two generalized test problems: Double Cantilever Beam (DCB) analysis and single-arm peeling of very thin elastic substrates. Comparisons with several analytical and pseudo analytical benchmarks demonstrates how to utilize this new technique as well as the impressive accuracy of the resulting FEA solutions for these highly nonlinear crack propagation and peeling problems.
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