StressCheck Tutorial: Sample Global-Local Workflow for a 3D Rib Stress Analysis
Abstract: Sample global-local workflow using imported NASTRAN gridpoint forces (in CSV format) to represent cap axial and web shear loading at a rib section. Application of imported Total Load At A Point forces using TLAP-Traction, Near Faces over the cut sections and fastener locations along the rib. Detailed breakout stress analysis with peak stress extractions at holes a sufficient distance from the regions of TLAP-Traction assignment.
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“A screening of existent commercial and non-commercial tools was carried out in respect to their fracture mechanics capabilities, their design abilities, implementation as well as their complexity. Although, there are many software possibilities, only those within the reach of the author were evaluated. This resulted in the selection of the commercial tool StressCheck®. The assessment of crack propagation on compact tension and two stringer specimens governed by the Paris and Forman regimes was satisfactory compared with experimental results using the material data from simple standard specimens.”
Lloren Llopart Prieto (EADS)Doctoral Thesis, "Modelling and analysis of crack turning on aeronautical structures"