Bajwa,
Expanding on Richard Ay's comment:
3) CAESAR II will adjust both the flexibility and the SIF based on whether you attach 1 or 2 flanges to the bend.
CII will not automatically adjust the bend properties. You MUST choose either TYPE 1 or TYPE 2 on the BEND/elbow card located below the bend radius entry.
Dusting off my big spoon,
_________________________
Bob Zimmerman, P.E.
Vice President of The Piping Stress International Association (The PSI)