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How is the nozzle fillet radius calculated for WRC calculations?
On the Nozzle Properties, Local load tab, the program calculates the minimum fillet according to ASME UW-16.
The default radius is equal to Radius = Throat*cos(45°)/(1-cos(45°)
The user can input the radius value or Kn/Kb coefficients in the nozzle load tab:
Nozzle and Flange design