In-Plane Bending - CAESAR II - Help

CAESAR II Users Guide
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Русский
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CAESAR II
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CAESAR II Version
12

Specifies the longitudinal stiffness at the nozzle and along the run of the pipe, as calculated using another method.

Mi - In-plane Bending (longitudinal stiffness)

Fax - Axial (Nozzle) (radial stiffness)

Mo - Out-of-Plane Bending (circumferential stiffness)

Mt - Torsional (Nozzle) (torsional stiffness)

D - Direction cosine of shell

Represents a nozzle on any type of head.

Mi - In-plane Bending (longitudinal stiffness)

Fax - Axial (Nozzle) (radial stiffness)

Mo - Out-of-Plane Bending (circumferential stiffness)

Mt - Torsional (Nozzle) (torsional stiffness)

D - Direction cosine of head

  • For a nozzle in the center of the head, in-plane and out-of-plane stiffness are the same due to symmetry.

  • For a hillside (off-center) nozzle, you should apply stiffness in the proper direction.

If you do not define a stiffness value, the software uses the default rigid stiffness.