Hi

Can anyone guide me how to model Flat on top (FOT) reducer in CAESAR II....?

Just add a vertical distance with your horizontal run. For example, runnning a 10x12 reducer that's 8 inches long, starting at the 10 inch end, let DX=8 but add DY=-1. Here, the centerline drops 1 inch to keep the top flat.

Dave,

Would it not be adviseable to increase the SIF of the reducer if it's eccentric?

I know that ASME VIII Div 1 would essentially double the SIF of a concentric reducer.

Thanks.