StressCheck Tutorial: Directional vs Follower Loads in Geometric Nonlinear Analysis
Abstract: Comparison between linear and geometric nonlinear solutions for direction and follower (normal) tractions. Follower loads will “follow” the deformation of the part in the geometric nonlinear solution.
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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