How to create a revolute joint using RBE2 elements

Altair Forum User

Hello,

 

I am doing analysis of universal joint assembly (Yoke1, Spider, Yoke2). Spider is a cross member which has 4 bars extruded. So there are 4 revolute joints between trunnion and yokes.

Can anybody tell me how to create a revolute joint using RBE2 elements in Radioss Bulk Data?

 

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQsTSispqWkYwMj6cy6vS8KmDxC2gM9aMmdf_Ffk06VMnPcRNnX

 

 

To create a revolute joint between 1 bar and 1 yoke hole, I applied the following procedure:

1) Create a center node of the spider bar: node A

2) Create a center node of the yoke hole: node B

3) Create a RBE2 (Independent Node: node A, Dependent nodes: all the nodes on the portion of the bar which will be inside the yoke hole.)

4)Create a RBE2 (Independent Node: node B, Dependent nodes: all the nodes on the yoke hole.)

5) Create a local coordinate system having 'x' axis from node A to node B

6) Assign the node A and node B to local coordinate system. (set reference and set distance)

7) Create RBE2 (Independent Node: node A, Dependent nodes: node B; All dof constrained except dof4 (rotation in x axis)

Is this method correct?

 

 

Altair Forum User

Hi Vij,

 

What is the objective?

 

is it a structural analysis or a multi body simulation?

 

If it is a multi body simulation you can use MotionView to model the system.

Altair Forum User

Hi Prakash,

My objective is to do structural analysis of UV joint assembly.