I am trying to render a shear stress on a key placed in a shaft subjected to a torque. I know the value to obtain after calculation which is +- 50MPa. I use the Generative Structural Analysis workbench.
I can't properly simulate the situation, I use a rigid part that supports the middle of my key and I apply the force to the handle at the appropriate distance, at the level of the supports I tried with embedded, roller support, blocking degrees of freedom... in vain.
Opposite, the diagram as well as a screenshot of what I tried.
I agree with you, I had already done the calculations, the goal here would be to verify the calculations made by simulating the system on software. This is part of one of my mechanics courses;)
- the rigid element which not only transmits the effort but is also non-deformable. It can therefore disturb the deformations of the key by immoboiling certain faces between them.
- If you have directly blocked the lower part of the key, the axis of rotation will be located in the thickness of the key and not 25 mm further as in your diagram. So you are in a moment calculation and not a shear calculation on the key.
Have you tried by locking one side of the key on the height of contact with the shaft (+ the base of the key) and directly applying the force equivalent to the torque (2250 daN) on the opposite half-face?
First of all, a big thank you for your answers, I worked on my case again, I applied a distributed force 22500N (shear force) on a flexible virtual part on the shear side, I wonder if this is correct or if there is another more judicious alternative?
In any case, I'm starting to get something that looks like what I had in mind visually.
