How to model a spherical bridge bearing support

- April 24, 2023 at 8:59 am
  
  Sam Ho
  Subscriber
  
  Hi, I am trying to model a spherical bridge bearing support in my model.
  
  I have defined general joints which only allow axial translational movement and also spherical joints that only allow rotation. They are defined as different bodies. Do I still define a frictional contact between them on top of these joints?
  
  Thank you very much,
  Sam Ho
- April 24, 2023 at 12:44 pm
  
  Rahul Kumbhar
  Ansys Employee
  
  Hi Sam, no, it is not required to define the contact on top of joints.
  - April 24, 2023 at 12:53 pm
    
    Sam Ho
    Subscriber
    
    Thank you for your reply.
    In this case, how are joints in ansys defined? In particular, what does a general joint which only allows translation in the x,y,z axis and no rotation mean? (How does Ansys calculate faces sliding over each other without defining coefficient of friction?) Also, is there anyway to add like a spring constant to a spherical joint in Ansys?
    How would you recommend modelling a spherical bridge bearing?

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