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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The software provides a highly reliable and user-friendly production stress analysis tool that will replace the Finite Element Method (FEM) tools and failure criteria the experts currently employ for analyzing bonded joints. The software includes an FEM-based handbook format, which allows non-experts to utilize models prepared by specialists. The handbook problems include built-in failure criteria, geometric and material nonlinearities, and the modern FEM technology provides better error control and the treatment of very large aspect ratios.”
Dr. Stephen P. EngelstadTechnical Fellow, Lockheed Martin Aeronautics Company, Structural Methods and Analysis