StressCheck Tutorial: Detecting and Correcting Multi-Body Contact Penetration
Abstract: Using the deformed shape to check for penetration (shared space) between parts after a multi-body contact analysis. Adjustment of the contact spring stiffness (Kc) based on penetration and contact zone resultant checks. Determination of the optimal Kc for a given multi-body contact analysis.
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“Accurate and reliable stresses and Stress Intensity Factors are required for determination of static and residual strength and for crack growth analyses in analysis tools such as AFGROW. For some geometries, industry solutions are either insufficient or nonexistent. The geometry, applied forces, and crack shapes and dimensions must be modeled reasonably well to obtain useful engineering data. The p-version finite element software StressCheck® (ESRD, Inc., St. Louis, Missouri, USA) is used to demonstrate how accurate finite element solutions can lead to good quality engineering analysis.”