calcHMFormFactor.Rd
Calculate form factor (1+k_1) from the Holtrop & Mennen method.
calcHMFormFactor( maxDraft, lwl, breadth, maxDisplacement, Cp, Cstern = 0, lcb = 0 )
maxDraft | Maximum summer load line draft (vector of numericals, m) |
---|---|
lwl | Waterline length (vector of numericals, m) (see |
breadth | Moulded breadth (vector of numericals, m) |
maxDisplacement | Maximum ship displacement (vector of numericals, m^3) |
Cp | Prismatic coefficient (vector of numericals, dimensionless) (see
|
Cstern | Afterbody form coefficient:
Can supply either a vector of numericals, a single number, or rely on the default |
lcb | Longitudinal position of center of buoyancy (vector of numericals,
see |
formFactor
(vector of numericals)
Holtrop, J. and Mennen, G. G. J. 1982. "An approximate power prediction method." International Shipbuilding Progress 29.
Holtrop, J. and Mennen, G. G. J. 1984. "A Statistical Re-Analysis of Resistance and Propulsion Data'.
Other Holtrop-Mennen Calculations:
calcHMAppendageRes()
,
calcHMBulbousBowRes()
,
calcHMCa()
,
calcHMImmersedTransomRes()
,
calcHMPwr()
,
calcHMThrustFactor()
,
calcHMTotalRes()
,
calcHMWakeFraction()
,
calcHMWaveMakingRes()
,
calcHMWettedSA()
#> [1] 1.275601 1.184795calcHMFormFactor(13.57,218.75,32.25,80097,0.81)#> [1] 1.275601