Residual stress - Ansys welding simulation

AI Thread Summary
The discussion focuses on challenges faced in simulating residual stresses from TIG welding using ANSYS software. Users report difficulties transitioning from thermal analysis to structural analysis, particularly in loading temperature history for further analysis. Suggestions include creating a separate model with structural elements and using the LDREAD command to import thermal solutions. Additionally, there are inquiries about conducting TIG welding analysis in ANSYS Workbench and moving the heat source during transient thermal analysis. Overall, the thread highlights common issues and solutions related to welding simulations in ANSYS.
se7h
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Hello, first of all I apologize if there is already a topic with this solution but this is my first time here, and I'm a little lost :frown:

I'm developing a work which consists in the determination of residual stresses due to TIG welding. I have developed the model and ran a successful thermal analysis, however I am having trouble in moving to a structural analysis. I've read a few scripts but I can not load the temperature history for further structural analysis. The software I'm using is the ANSYS 12.0.

Thank you for your attention.

(I apologize for any mistake of vocabulary)
 
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do you get the solution of your above mention problem?
Even I am working on simulation of friction stir welding in ansys and facing similar problem in getting result for residual stresses induced due to welding
 
If you are using APDL then what you have to do is:

1. Create a second model that has structural elements. (Just change the element type and recreate the model, if you are using APDL this is very easy.)
2. Use the LDREAD command to import the thermal solution onto the structural elements
3. Apply any additional boundary conditions
4. Solve and post process.
 
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