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#1 Re: Code_Aster usage » Non linear analysis with large deformation » 2018-11-21 17:16:21

Hi, thank you very much for advice. I am able to run analysis with linear behavior. What I try right now is to use large displacements with non linear material. I need to change contact to Continuous from Discrete. However I get convergence error. I have attached zipped file. I have already red your book, however I did not find a solution.


P.S. I have introduced myself already in proper topic smile

#2 Introduce yourself / Présentez vous » Hi from Slovakia » 2018-11-21 16:25:18

Replies: 0

Hi all, I am mechanical engineer and I am looking for stable and robust FEA software. Now I work on benchmarks with different FEA softwares (commercial/non commercial) and I try to find solution for me. I have an experience with MSC Patran/Nastran, Altair HyperMesh/Optistruct as well with Ansys.


#3 Re: Code_Aster usage » Non linear analysis with large deformation » 2018-11-20 20:39:51

Hi, here are files what I run with exit code 0 however without results. I made 2D plane stress analysis. Thanks. Vit.

#4 Code_Aster usage » Non linear analysis with large deformation » 2018-11-20 11:19:10

Replies: 4

Good morning, I would like to ask you, if Code Aster is able to solve large deformation with separation contact and material nonlinearity. The analysis I made considers only quarter model. I have round bar (E=1.93e5MPa, multilinear material curve) which is deformed by plate (E=1.93e7MPa) by 0.35mm. Radius of bar is 1 mm. The bar material has plastic behavior using multilinear material curve. What I am interested in is reaction force at bottom face. I tried to run, however with contact error.

Thanks for any suggestion.

Best regards,