Post Buckling Analysis in ANSYS

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SUMMARY

The discussion focuses on performing post-buckling analysis in ANSYS to calculate the reaction force on a buckled thin plate. The user, Vaggelis, seeks guidance on whether to utilize the buckling module alongside Static Structural analysis. It is established that the analysis should be conducted in multiple load steps, where the first step induces buckling through applied forces, followed by a second step that applies fixed conditions to the edge of interest. Error messages encountered during the process indicate a need for proper setup and understanding of the load step configuration.

PREREQUISITES
  • Understanding of ANSYS Static Structural analysis
  • Familiarity with buckling analysis techniques
  • Knowledge of load step configurations in finite element analysis
  • Experience with reaction force calculations in structural simulations
NEXT STEPS
  • Research the ANSYS buckling module and its integration with Static Structural analysis
  • Learn how to set up multiple load steps in ANSYS for complex simulations
  • Explore methods for inducing buckling in thin plates using ANSYS
  • Study techniques for troubleshooting error messages in ANSYS simulations
USEFUL FOR

Engineers and analysts involved in structural simulations, particularly those focusing on buckling analysis and reaction force calculations in ANSYS.

Vaggelis
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Hello everyone,

I am trying to use ANSYS to calculate the reaction force in the edge of a buckled thin plate. (One edge is constrained and the other edge is displaced).

According to what I read in the Help Documentation, the study should be done in Static Structural, and a stabilization option should be set appropriately. My question is, do I have to involve also the buckling module and how should I do this? I only get Error messages so far.

If someone is familiar to this kind of study I would be grateful to have some advice.

Regards, Vaggelis
 
This sounds like a problem that would be performed in multiple load steps. The first step would be to induce buckling in the plate using a series of appropriate forces, followed by a second load step which suppresses these forces and applies a fixed condition to the edge you're interested in.

Does this make sense? Are you familiar with setup of multiple load step problems?
 

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