Week 6 - Creating connection for Rear door
OBJECTIVE:
To set PID and perform connections for the given rear door model with different connection techniques using ANSA.
PROCEDURE:
1. The given model is imported into the ANSA software. It is observed that a default PID is set for the model. The imported model.
2. Now Set PID and select the desired part using the boolean operations and create the New PSHELL property for the selected component.
3. Go to Topo, Points On the COG option. Select the edge and create a point. and then go to the Convert option and select the type Bolt. After doing the convert option, the point is changed in accordance with the selection.
4. Now go to the connection option and select the bolt and hit the middle mouse button. The connection manager window would pop up.
5. In the connection manager window, select the parts which are to be connected using the F1 option. Select FE Rep Type as BOLT and enter the properties, Now click on apply and realize. The realized bolt connections are formed.
6. Go to Topo Points On the COG option. Select the edge and create a point.Go to the Convert option and select the type Spotweld Point. After doing the convert option, the point is changed in accordance with the selection.
7. Now go to the connection option and select the spotweld point and hit the middle mouse button. The connection manager window would pop up.
8. In the connection manager window, select the parts which are to be connected using the F1 option. Select FE Rep Type as RBE3-HEXA-RBE3 and enter the properties.
9. For the door handle, the rbe2 connection is established and point mass is added using the CONMi option present in the elements deck. Select CONM2 and pick the necessary node to add the masses. It is to be noted that mass has to be entered in tonnes. Then realized connection.
10. Go to NASTRAN Deck Elements RBE2 Many Points, Select the points to which RBE2 must be created. Here RBE2 is used for realizing hinge connection.
11. Now go to Elements RBE2 Two points Select to realize the hinge connection.Go to Elements INFO Select the reb2 connection and give the necessary DOF's.
12. Go to Mesh Perimeters Feat2Curve option and select the edges to create a curve. Go to connection select the spotline Middle mouse Connection Manager.
13. Select the parts to be connected using the F1 option. Set FE Rep Type as RBE3-CBUSH-RBE3 and enter the properties, Then now click on apply and then realize the connection. Now go to the CBUSH property card and select all the connections and hit on modify.
14. The modification parameters are shown in the figure below, This is done to orient the CBUSH connections to the global axis.The realized connections





