Step 1.

Insert Vessel / Tank

Step 2.

Insert conical portion of Vessel / Tank
 

Step 3.

Insert piping arrangement connected to nozzle at
bottom of Conical section.

Also recommend to insert a User SIF at the
surface of the nozzle connection to the end cap.
What value should be used, may need to hand
calculate this value or use another software to 
provide that information, this would not be a
typical code calculated SIF value. 

Optional: Report Allowable forces and Moments

Insert reference points at nozzle connection
to end cap to report loads that exceed
allowable forces and moments. 

Step 4.

Note, the legs are attached to the vessel / tank
starting at the intersection of the main body to 
conical portion. 

Make this node point the active node.

Step 5.

Insert Beam Properties that matches that of the
steel used for the legs.

Insert temporary beam from the center of the 
Vessel / Tank to the outside surface of the tank 

Step 6.

Insert temporary beam from surface of the
Vessel / Tank to the center of the beam section 
being modeled for the vertical legs.

Document total length from center of Vessel / 
Tank to center of vertical legs. 

Step 7.

Insert vertical beam leg and remove previous 
temporary beams made in steps above.

Step 8.

Insert remaining vertical legs equally spaced
around the Vessel / Tank.

Step 9.

Select all legs and Rotate 45 deg about the
vertical axis of the Vessel / Tank.

Step 9.

Select the top of beam section used for the Leg 
and insert Anchor / node to center of Vessel /
Tank.

Step 10.

Done