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PSA 4.3 — Restraint Types: Anchor, +Y, Guide, Limit Stop, Rotational, CNode

PSA 4.3 — Restraint Types: Anchor, +Y, Guide, Limit Stop, Rotational, CNode

Two guides on the same 8″ hot line, four bents apart. The stress report gives the first one a lateral reaction of 11 kN and the second one 0.0 kN. The checker circles the zero and writes "guide not working — investigate".

Guess first: which of the two numbers is more likely to be wrong?

The 11 kN. The zero is probably the truth — that guide's lateral movement is smaller than its gap, so the pipe never touches it, and a real guide that is never touched carries no load. The 11 kN is suspect because the analyst modelled…

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Educational teaching material — simplified and illustrative. Not for engineering design use.
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