nonlinear static structural analysis. Apply increasing load in steps & release.
Using Optistruct & Hypermesh non linear static analysis, I wish to apply increasing load in steps and then release the load. I wish to see the residual deformation due to yielding of the structural steel once the applied load has been removed.
This is not a transient time dependent scenario. I believe DLOAD, TLOAD1, TABLED1 cards may be relevant.
1 - How are Optistruct users best able to learn this loading method?
2 - where in the support documentation is this covered? This is a fundamental FEA topic.
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you can perform NL Static Simulation in OptiStruct, for this.
There are 2 ways:
For option #1, I would just run 1st loadcase from zero to point 5, and then 2nd loadcase from 5 to 7, and last subcase removing all load.