hi all....

at straight pipe, node 10 to 15 then to 20 with 12inch pipe. i wanted to put a short vertical pipe 8inch welded to the 12inch pipe at node 15 as a dummy. how should i input into caesar? is it just do this way: 100 to 15 with 200mm then retraint at node 100 is +Y?
another thing is a dummy leg is welded at the elbow, let say node 40 to 50(bend) then to 60. if i design a dummy as a resting support, should i input as this: 200 to 49 with 200mm then restraint at node 100 is +Y, am i correct?
if yes, why at the error checking still shown about this warning of pipe interception problem?

thx for the reply.