Product: OptiStruct
Product Version: OptiStruct 2019.0 or above
Topic Objective
Nonlinear axisymmetric analysis with OptiStruct.
Topic Detail
Analyzing a symmetrical portion of a structure means faster processing than if you modeled the whole structure.Axisymmetric CTAXI with 3 and 6 node tria-elements, where always available for linear analysis. From 2019.0 we support axisymmetric quad-elements with 4 or 8 nodes.
Axisymmetric Elements
Axisymmetric are available for tria & quad elements for both
1st order
2nd order
For linear analysis, & nonlinear static analysis
Small displacement
Large displacement
Contact support for Axisymmetric elements (Supported from V 2019.1)
N2S and S2S CONTACT and TIE are supported for axisymmetric modeling.
Currently, contact for axisymmetry is supported only for small sliding.
The Contact Smoothing option is also not supported.
Axisymmetric are not supported yet for:
Inertia relief analysis in LGDISP nonlinear analysis
Hyper-elastic materials
Optimization with non-linear
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