Rod String Functions
Rod weight, stretch and stress along the string.
10 functions
PO.RP.Rod.Wair(Ar, L)
Calculates rod string weight in air, [lb].
PO.RP.Rod.Wbuoy(Wair, SG)
Calculates buoyant rod string weight (weight in fluid), [lb].
PO.RP.Rod.Area(d)
Calculates rod cross-sectional area from diameter, [in²].
PO.RP.Rod.Wft(d)
Calculates rod weight per foot for a given diameter, [lb/ft].
PO.RP.Rod.Stretch.FluidLoad(Fo, L, Ar)
Calculates rod stretch due to fluid load, [in].
PO.RP.Rod.Stretch.RodWeight(Wair, L, Ar)
Calculates rod stretch due to rod weight (self-weight stretch), [in].
PO.RP.Rod.Stretch.Total(Fo, Wair, L, Ar)
Calculates total static rod stretch (fluid load + self-weight), [in].
PO.RP.Rod.MaxStress(PPRL, Ar)
Calculates maximum rod stress from peak load, [psi].
PO.RP.Rod.MinStress(MPRL, Ar)
Calculates minimum rod stress from minimum load, [psi].
PO.RP.Rod.StressRange(σmax, σmin)
Calculates rod stress range (fatigue indicator), [psi].