Abstract
In the aircraft industry, the method for designing metal-composite joints is mainly based on conservative metallic calculation rules and on applying high safety factors. The reason is that the influence of errors due to manufacturing is not well-known, and few studies deal with this issue. Here, an analytical model is developed to evaluate load distribution in an aluminium-composite double-lap joint, in the presence of clearance and hole-location errors. The model also includes the nonlinear behaviour of the bolt implied by bearing degradation. The analytical model is validated by comparing results obtained by finite element analysis and experiments. Finally, an industrial use of the analytical model is presented.
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