Static Structural Tool in ANSYS, General Error

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SUMMARY

The discussion centers on an error encountered in ANSYS Workbench while simulating a cantilever beam, specifically a spring strut of a light aircraft's landing gear. Users reported receiving a "general error" from the SOLVER module, which was traced back to exceeding the node limit imposed by an educational license. By reducing the model size to under 125,000 nodes, the error was resolved, indicating that the node limit likely falls between 125,000 and 250,000.

PREREQUISITES
  • Understanding of ANSYS Workbench for structural analysis
  • Familiarity with finite element modeling concepts
  • Knowledge of node limitations in educational licenses
  • Experience with meshing techniques in simulation software
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  • Research ANSYS Workbench node limitations and licensing options
  • Learn about optimizing mesh size for finite element models
  • Explore troubleshooting techniques for ANSYS SOLVER errors
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Engineers, simulation specialists, and students using ANSYS Workbench for structural analysis, particularly those working with educational licenses and facing node limitation issues.

Burner21
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Hello everyone

Just a quick question, hopefully someone could shed some light upon what I'm doing wrong here?

I'm using ANSYS Workbench to apply a force to what is effectively a cantilever beam, fixed at one end, with a load applied at the other. To be more specific it is a spring strut of a light aircrafts landing gear, where the load is a calculated force at touchdown of landing, so the load bearing end has a wheel assembly attached that I created using Siemens NX.

I've defined the materials of each section, produced a mesh and applied the load force and fixed support at either end, but when I run the solution I get the following error message:

"An error occurred inside the SOLVER module: general error."

Does anybody have any idea what could be causing this? Appreciate any help you can give. Thank you.
 
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Hey Burner

I was having the same problem, but i just worked out what was causing it for me.

I think I am using an education license, which limits the number of nodes you can have in a model. If you exceed it then it gives you this error. I reduced the size of my model and reduced the number of nodes I was using and the problem went away.

The model I am working with at the moment has just under 125000 nodes. A model twice the size didn't run, so id guess the cut off could be between 125000 and 250000 - although I'm not sure.

Try reducing your model size.
 
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