Learning Forum

[giheon0915]

Hello, I am in the process of interpreting the beam-column connection with bolts, washers, and nuts.
To facilitate modeling due to the large number of bolts, bolts, washers, bolt bodies, washers, and nuts were modeled at once, and share topology was applied to the shared sides.
(Nut has no hole)
At this time, I'm trying to give the bolt pretension to the bolt body, but I keep getting the following error.

*Error Message*
An error occurred inside the SOLVER module: general error.
The pretension load was not able to be applied. Make sure the load was not applied to a hole and that the load is not applied more than once per surface or on different surfaces of the same body.
No pretension elements have been created. Please consider adjust the tolerance of the bolt pretension load.

Can't I do it like this?

Thank you!

[John Doyle]

Start with one bolt.  If the body you are trying to apply the preload is truly a cylinderical body that is an unconstrainted in the axial direction of the bolt, it should work.  You need to have one bolt pretention for each cylindrical body.  You can visualize where the constraint equations are (the pretension section) by setting Visible on Results to "YES" in the Details Window of Solution Information.