StressCheck Tutorial: Checking ITP Viability for Solving Nonlinear Events
Abstract: Case study for the checklist to determine the viability of performing Incremental theory of plasticity (ITP). Overload, unload, re-load and unload events studied for a U-shaped member under “pull apart” loads. Results between Deformation theory of plasticity (DPT), General nonlinear (geometric nonlinear + DPT) and IPT solutions for the initial overload event are compared.
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When performing parametric structural analysis, ESRD’s p-element StressCheck® FEA software is always my preferred choice due to the excellent solution quality, parametric framework, and superior computational efficiency. In fact, I recently used StressCheck® to generate stress intensity factors along a parametrically defined elliptical crack-tip across 3,000 unique geometric configurations. Considering multi-body contact was present and all simulations were performed using a laptop, this was a task well suited for StressCheck®.
Dr. Lee ZambinoResearcher, Villanova University