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DP - Thrust Capability Curve

Available thrust envelope for DP station-keeping given number of thrusters and worst-case single-failure scenario.

DPThrustCapability
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Formula, assumptions, and limits

Tpost=(nnfail)TuT_{post} = (n - n_{fail}) \cdot T_u
SymbolMeaningUnit
TuT_uThrust per unitkN
nnNumber of units
nfailn_{fail}Worst-case failure count

Source: IMCA M140 Rev.1

In short

Available thrust envelope for DP station-keeping given number of thrusters and worst-case single-failure scenario.

Learn the theory Dynamic Positioning: How DP Holds a Ship on Station