close gap between two shell structures
Altair EmployeeHi,
I need your advice again.
I have two beams with a C crosssection. They are modeled by 2D-elements.
The beams are co-linear and I want to connect the Ends of both beams (Frames) to get one beam as there is a gap between them at the Moment.
A possibility would be the usage of RBE2, but I think closing the Gap between them with Shell elements is the best solution.
The mesh size differs a little bit.
Do you have some ideas how i can connect/Close the gap?
Thanks a lot
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Altair EmployeeThis time it's not possible to share a screenshot, sorry.
Think of a C-Beam made out of Shell elements.
But there are some elements missing in the middle of the length of the beam. That results in two beams which are not connected.
I have to extend/Close thegap to get one beam again. So I want to fill it with Shell elements that connect one edge with the other.
Difficult to comment without snapshot.Connectivity is necessary to avoid rigid body motion.As said above use 1d element or extend shell element to ensure connectivity.
Altair EmployeeI built up a simple model with nearly same Problem to share a screenshot.
In my real model is no geometry, it's all FE-based.
<?xml version="1.0" encoding="UTF-8"?>
Is it a continous part ?I mean in real life how this C section is connected.
If you want to connect via mesh use ruled command with nodelist to nodelist with mesh delete surface option.
Could you share snapshot of your model for better understanding?
Connection is possible via RBEs ,Rod ,bar & beam.It all depend based on loads boundary condition & element property.