Questions tagged [acegen]

AceGen is a Mathematica package for automatic code generation, focused on finite element method subroutines.

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4answers
227 views

Prescribe the rotation as the boundary condition and the plane section constraint in AceFEM

I am going to analyze a rectangular beam under bending moment in AceFEM. To prescribe the bending I would like to prescribe the rotation angle of the section at the point $z=L_z$ (see the AceFEM file ...
6
votes
1answer
434 views

AceGen/AceFEM Material Subroutine

I'm back with an unusual issue. I`d like to generate a finite element for AceFEM, that calls an external (AceGen generated) subroutine, for the material. Upfront, as the code is a little broad, I ...
5
votes
1answer
183 views

AceGen: Deformation Dependent Load Element in Arc Length Procedure

for a structural analysis, I'd like to use an finite element that introduces a deformation dependent load within an arc-length procedure. The Element gets the load value via an input parameter, which ...
5
votes
2answers
144 views

How to collect results even if AceFEM analysis diverges?

Sometimes (implicit) finite element analysis with AceFEM diverges and solution procedure is aborted before reaching the final time/load step. I have followed the method shown in documentation for ...
4
votes
2answers
115 views

AceFEM: Why SMTShowMesh doesn't show changes in initial configuration?

I am changing initial positions of nodes after the analysis has been initialized (after the SMTAnalysis[...]) and this procedure works fine, but the problem is that ...