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Static structural analysis of two overlapping tubes kept together by pins-ANSYS Mech.
Dear all,
on Ansys Workbench (Static structural) I'm trying to simulate two tubes, the minimum radius of one of them is equal to the maximum radius of the other one. They overlap on the extremities and they are kept together by 6 pins normal to the tubes surface. Boundary conditions are as follows: the larger tube has its non overlapping extremity fixed not to move longitudinally, on the non overlapping extremity of the smaller tube a pulling pressure is applied, and the same internal pressure in both tubes is applied. The tubes simulate the wall of an artery and a prosthesis, so I set appropriate materials properties for them, the pins are made of steel instead. I have to allow sliding betwen the tubes and I set a 0.05 Friction coefficient in the Contact tab, but I can't find a way to set the contacts between the tubes and the pins that leads to convergence. I'd like to ask if anyone has any suggestions for my problem. Thank you in advance for your help. Kind regards, Giulio |
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