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Forums
Engineering
Mechanical Engineering
Calculate the residual stress on a beam after bending
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[QUOTE="freddie_mclair, post: 6529792, member: 514429"] Ah! I had an enlightenment moment! (I think!) What I calculated, ##M_b##, is in fact the bending moment accounting the springback effect, i.e., taking into account the release of the stored energy. This means that, ##\sigma_b## will give me the stress in the beam [U][B]after[/B][/U] unloading, right? Therefore, the residual stress, ##\sigma_{Res}##, will be just the difference between ##\sigma_L## and ##\sigma_b##: ##\sigma_{Res}(x) = \sigma_L(x) - \sigma_b(x)## I made a quick plot in Excel, and I think the results look good (at least compliant with the literature). [ATTACH type="full" width="607px" alt="res_plots.jpg"]287768[/ATTACH] [/QUOTE]
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Mechanical Engineering
Calculate the residual stress on a beam after bending
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