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Stress Concentration for a rounded slot in bending

Stress Concentration for a rounded slot in bending

Stress Concentration for a rounded slot in bending

(OP)
Hello,

I am looking for a stress concentration chart for a rounded slot in bending. The only charts I have been able to find are the charts for tensile stresses. The shape of the hole is of the form

   (_____)

with the bending moments applied at the end.

If there is no such chart, is there a better way of modeling this type of problem?

Thank you

RE: Stress Concentration for a rounded slot in bending

FEA would be a tpical approach, or a physical test

Cheers

Greg Locock

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RE: Stress Concentration for a rounded slot in bending

the stress concentration due to bending should only be slightly lower than tension ... for a conservative number use your bending stress as tension

RE: Stress Concentration for a rounded slot in bending

i looked into petersen, bending loads reduce the Kt of a hole quite significantly, so the next best guess would be ...
(Kt, slot in tension)*(Kt, hole in bending)/(Kt, hole in tension)

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