Ashish Khemka
Ansys Employee

Hi Joao,

Are you using a remote point to join two beams at a common node location? If yes, then this might be causing the first warning. You can try using the node merge option.

(305) ANSYS Mechanical: Node Merge - YouTube

You can turn on large deflections to see the stiffness update during the analysis. 

To Use Large Deflection or Not, That Is the Question - PADT (

On third warning: MPC Contacts in ANSYS - Yes or No? - FEA Tips

Please see if the above links help.


Ashish Khemka