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1answer
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Torsional rigidity D vs torsional rigidity factor k vs torsion constant J

I have a physics background so apologize my ignorance. I'm confused by the constants $D$, $\kappa$, and $J$ when it comes to torsion of beams. From what I understand $\kappa$ and $J$ are the same ...
0
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1answer
81 views

How does the superposition principle relate to Bernoulli-Euler and Timoshenko beam theory? [closed]

I have a shaft with a bearing in each end, and a large eccentric mass covering the entire "free length" of the shaft. The attachment of the eccentric mass is done using heat shrinking. Without ...
1
vote
3answers
90 views

How can the linear relationship between curvature and bending moments be verified?

As part of an experiment, I'm verifying the existence of a linear relationship between curvature and bending moments for three beams using different materials. The plotted data can be seen below. ...