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Residual stresses 2D to 3D


i have simulated welding in 2D model for beam attached with cover plates at both the flanges using Abaqus, now i want to use the same residual stress distribution for whole 3D cover plated beam with same cross-section,so that i can find load carring capacity of beam.

but i am not sure, is it possible to find stresses in 2D model then use the same residual stress in 3D model? i try using initial state and restart option but it is not reading the same stresses for whole is there any other way of doing this??

and i want to know the approximation i am taking (finging residual stress in 2D insteade of 3D) is acceptable or not?


Frank Richter's picture

Whether this transfer from 2D to 3D is sound I do not know.

If you want to proceed this way: Read out stresses. Then in 3D you can define initial stress using 




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