StressCheck Tutorial: Modeling a Broken Hole Ligament
Abstract: Modeling of a broken ligament between two holes. Expand a 3-pt Plane through the ligament and thicken to a small value. Boolean-subtract to generate the broken ligament.
A continuation of this tutorial: StressCheck Tutorial: Embedding and Meshing a Parametrized Pre-Crack Initiation Surface
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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