StressCheck Tutorial: Performing h-Discretization to Refine Manually Generated Meshes
Abstract: If convergence is not achieved for a full p-extension on a manually-generated mesh of hexahedra/pentahedra (3D) or quads/tris (Planar), h-Discretization is the most efficient way to refine the mesh. Manually-generated meshes can be refined uniformly for elements, or geometrically graded from selected geometric boundaries, element faces (3D) or element edges (Planar).
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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