Axial Index (Ia) - CAESAR II - Help

CAESAR II Users Guide

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CAESAR II
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CAESAR II Version
12

Indicates the sustained longitudinal (axial) force index (Ia). You can use this index value (along with the longitudinal force due to sustained loads and the dimensions of a cross-sectional area of the pipe) to determine the amount of stress that is due to sustained longitudinal force.

Specify this value for any point in the piping system by selecting the SIFs & Tees check box on the Classic Piping Input dialog box. Type the node number to which the stress index applies. Then, specify the Axial Index (Ia) value on the SIFs/Tees tab.

If you do not specify a value in the Axial Index (Ia) box, CAESAR II sets the value to 1.0 by default.

For more information on stress intensification factors (SIFs) in CAESAR II, see Stress Intensification Factors Details.