Input variables

Generic variables

These variables can be found in virtually all reports as input variables

Design Pressure – P_d: Pressure assumed to be present in the component according to the design terms
Design Temperature – T_d: Temperature assumed to be present in the component according to the design terms
Material: Name of selected material used for the construction of the component

These variables are component specific

Outside Diameter – D_e: Outside diameter of the attached part. The diameter runs from the outside of the wall to the opposite outside of the wall, through the center of the circle.
Nominal Thickness knuckle, dish – d_kn, d_dn: Thickness ‘as is’, meaning it is the design thickness taking into account corrosion and tolerance.
Nominal Inside Knuckle Radius – r_i1n: Nominal inside radius of the knuckle
Corrosion – Ca: Amount of thickness that accounts for the possible effects of corrosions.
Tolerance – tol: Tolerance in thickness for production
Strength reduction coefficient – z: Effectiveness of the strength, depending on whether joints are seamless, welded, or expected to perform worse than the base material properties

Flat knuckled head

Maximum Allowable Working Pressure – MAWP: The maximum pressure at which the component can be used in operation. This value should be larger than the design pressure.
Design margin – P_d / MAWP: Ratio of the design pressure to MAWP
Maximum Allowable Test Pressure – MATP: The maximum pressure at which the component should be tested and survive.

Design temperature material is out of scope.: The material properties are not available at the design temperature.
Dish thickness is out of scope: required d_d ≤ d_max.: This code determines for flat covers a maximum thickness.
Knuckle thickness is out of scope: required d_k ≤ d_max.: This code determines for flat covers a maximum thickness.

Can’t find material ‘MaterialName’ in database: Material could not be found in database. Select an existing material name, or select another material via the material selection window.
Insufficient dish thickness.: Wall thickness is insufficient to bear the applied loads. Increase the wall thickness.
Insufficient knuckle thickness.: Wall thickness is insufficient to bear the applied loads. Increase the wall thickness.