StressCheck Tutorial: Influence of Stress Singularities On Multi-Body Contact Resultant Calculations
Abstract: Demonstrating the influence of stress singularities on multi-body contact resultant calculations and load transfer feedback. When the discretization at the contact zone boundary is not sufficient, it may be necessary to include additional element faces outside the contact region to improve the resultant calculation.
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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.”