I have a contact between a solid and a rigid surface classified in Interaction Surface-to-Surface contact for a general static step. For the analysed displacement it is taken into account and works as hoped for but if I create a linear pertubation step to get frequencies the interaction gets lost.
I see that I have to create an interaction type acousitc impedance...But:
The point is that I need the dependecy on the moving direction of the rigid surface to represent contact on one side of the ring and no contact(and no pulling) on the other side of the ring.
Is there a way to include rigid surfaces in a linear pertubation step?
In a limited fashion (not quite the way you want it) the answer is yes, for the contact conditions are established before the linear perturbation step. That is, whatever is in contact before the vibration analyses is set as if it were a fixed boundary condition for the vibration step; this cuts both ways, when the deformable body is pushing the rigid surface and when it would try to separate from it; there will be no separation during the vibration analysis, though separation might occur on a nonlinear analysis.
Thank you Mr Oremont.
The link Mrs Tsambani is not helpful and does not connect to my question.
- Badges
- Science topic