StressCheck Tutorial: Linear vs Nonlinear Results for a Single Lap Joint
Abstract: Comparison between linear, material nonlinear (plasticity effects) and general nonlinear (plasticity + geometric nonlinear effects) for a single lap joint under uniaxial load. Large deformations result for the linear analysis, including unrealistically large rotations at the adhesive, indicating geometric nonlinear analysis is required to represent the solution.
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“Of the three FEA products we use, StressCheck® gives me the most confidence when it comes to performing post-processing quality checks on multi-body contact analysis results. StressCheck® has the capability to extract any data of interest and convergence information for that data at any location in the model domain; the other two FEA products do not. And when it comes to interference fit multi-body contact solutions, I haven’t found any software to outperform StressCheck®.”
In Service Support Center EngineerNavy Fleet Readiness Center-East