Multi-body Contact Analysis Technical Brief
Abstract: A multi-body contact capability has been implemented to account for frictionless mechanical contact that does not require mesh conformity in the contact regions. The implementation is available for Planar, Extrusion, Axisymmetric and 3D elasticity problems. Material nonlinearities of the contacting bodies can be considered in the analysis. The effect of geometric nonlinearities (large strains, large rotations) are not yet available but will be addressed in a later release.
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“We have been having very good success using the P-Version finite element code, StressCheck®, to develop the 2-D solutions for two independent cracks in a plate. I have asked one of our AFGROW team members to model the plate and lug cases using StressCheck® and compare them to the existing AFGROW closed-form solutions. [He] modeled the cases several different ways to be sure that he was getting the best possible solutions. He has verified that the bearing load option in StressCheck® provides excellent results”