Rutman Fastener Modelling in Patran

[YanisVlacho]

Dear all,

I am trying to model a Rutman Fastener in PATRAN (2018). I have a 3D (Tet10) bracket attaching to a spar skin 2D (CQUAD, PCOMP property). I have created a group with the nodes to join (3 nodes from the 3D bracket and 1 node from the skin, total of 4 nodes as shown below) not the whole model is shown for clarity:



The application to create the Rutman (and any relevant setting is shown below (units used are inches):



The Axis I use is the Z-axis of the coordinate system 99900003.3 (as shown below) and fastener location is top node 1 (as shown below):



GROUP "Fast_Nodes" (under Fastener Connections field) are 4 nodes shown above (Nodes 1-4)
When I hit "APPLY" to create the RUTMAN Fastener, I get the following ERROR:


Can anyone help me with this?

I have checked that all nodes are associated to elements, all elms have valid properties, increased tolerance to see if it makes any difference (although I have made sure that all my nodes (4 in this case) are all along the Fastener line (shown yellow in above pictures)).

Any tips are welcome.

Thanks

 

[rb1957]

probably better to post in the FEA forum. If you have done this already we don't like double posting, so you should Red Flag ("report") your post here and ask for this to be deleted.