Rod Stress Functions
Maximum, minimum and range of stress at the top rod.
3 functions
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].