Operating Conditions - CAESAR II - Help

CAESAR II Users Guide (2019 Service Pack 1)

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English
Product
CAESAR II
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CAESAR II Version
11.0 (2019)

Shortcut keys:

  • F5 - Jumps to Operating Conditions

  • ALT+4 - Opens Edit Operating Conditions dialog

  • Double-click >> - Opens Edit Operating Conditions dialog

Specifies the temperatures and pressures for the selected element on the Classic Piping Input dialog. Each temperature group ( such as T1) and pressure group (such as P1) creates a load for use in building static analysis load cases. The software uses the loads to build recommended load cases (such as W+T1+P1)

You can specify up to nine temperatures and ten pressures (nine operating cases plus the hydrostatic test pressure) for each piping element. The temperatures are actual temperatures, not changes from the ambient temperature. The software uses the temperatures to obtain the thermal strain and allowable stresses for the element from the material database. Pressures are gauge values and cannot be negative. Both thermal and pressure data carries forward from one element to the next until changed.

As an alternative, you can directly specify the Thermal Expansion coefficients if the absolute values are less than the Alpha Tolerance. Thermal strains have absolute values on the order of 0.002 and are unitless.

Typing a value in the Hydro Press field causes the software to build a hydro case in the set of recommended load cases.

CAESAR II uses an ambient temperature of 70°F, unless changed using the Special Execution Parameters option. For more information, see Ambient Temperature.