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There could be several reasons why you are not getting the correct stress results in Abaqus. Some possible causes could be incorrect material properties, incorrect boundary conditions, or errors in the input file. It is important to carefully check and verify all inputs to ensure accuracy.
To troubleshoot incorrect stress results in Abaqus, you can try running a simple validation test with known inputs to compare with your results. You can also check the element types and formulations used, as well as the mesh quality. Additionally, reviewing the Abaqus log files and error messages can provide clues to the issue.
Yes, the element type can significantly affect the stress results in Abaqus. Different element types have different formulations and assumptions, which can lead to varying results. It is important to choose the appropriate element type for your specific analysis to ensure accurate stress results.
To verify the correctness of your boundary conditions in Abaqus, you can review the load and displacement values applied to your model. You can also check if all necessary constraints are applied, and if there are any reactions at the constrained nodes. Running a simple analysis with known inputs can also help validate the boundary conditions.
If you are still not getting the correct stress results in Abaqus, it may be helpful to seek assistance from a more experienced user or consult the Abaqus documentation. You can also try simplifying your model and running a simpler analysis to isolate and identify the issue. Additionally, double-checking all inputs and settings can also help ensure accurate results.