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Engineering
Mechanical Engineering
Calculate the residual stress on a beam after bending
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[QUOTE="FEAnalyst, post: 6529659, member: 658802"] Indeed, elasto-plastic bending with hardening accounted for and unusual cross-section is not an easy thing to solve by hand. In books you will find derivations and examples mostly for rectangular beams and perfect plasticity. But you should be able to modify them for your case (books often provide some hints about how to proceed with other types of beams and more advanced material models). For verification you can use Finite Element Analysis (in open-source software if you don’t have a license for a program like that). FEA will show you everything for every possible scenario - you can get stress and strain distributions (including equivalent plastic strain), displacements and so on. Of course it’s not a problem to unload the beam in FEA or even load it several times to see how various complex material behaviors influence the results. [/QUOTE]
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Calculate the residual stress on a beam after bending
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