Nonlinear functionality in Creo 2
In Creo 1, PTC implemented important improvements of the nonlinear functionality. The most important of these improvments, is the ability to combine several nonlinear phenomenae in the analysis. In this case I have analyzed post-critical behaviour of an axially loaded column. The analysis includes the effect of large deformations, plastic yield in the steel, and nonlinear collapse of the structure. Since the load can't be increased beyond the critical level, the displacement was prescribed, and the reaction force was measured. The reaction force increases up to the critical level, and then declines, as expected. The nonlinear solver benefits from the new ability to create prismatic elements, such as brick and wedge elements.
/Mats Lindqvist/Econocap AB/
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