Displaced water volume
- AM
Immersed area of midship section
- AP
After Perpendicular - The perpendicular to the design load waterline at its intersection with the after edge of rudder post or center-line of the rudder stock.
- Aqwa-Drift
Hydrodynamic response – Time domain analysis with second order wave forces
- Aqwa-Fer
Hydrodynamic response - Frequency statistical analysis
- Aqwa-Librium
Hydrodynamic response – System equilibrium position and dynamic stability analysis
- Aqwa-Line
Hydrodynamic diffraction analysis in frequency domain
- Aqwa-Naut
Hydrodynamic response – Time domain analysis with nonlinear incident wave and hydrostatic forces on instantaneous wetted surface
- Aqwa
Advanced Quantitative Wave Analysis system
- AS
Immersed sectional Area
- AW
Amplitude of regular wave
- B
Breadth (or Center of Buoyancy in hydrostatics)
- BL
Baseline
- BM(T)
Metacentric radius (transverse)
- BML
Longitudinal metacentric radius
- bubble help
This is an example of 'bubble help' or a 'hot spot'
- CB
Block coefficient
- CL
Centerline
- CM
Midship section coefficient
- COB
Center of buoyancy
- COF
Center of Flotation - Centroid of Waterplane area
- CP
Prismatic Coefficient (longitudinal)
- CPL
Prismatic Coefficient (longitudinal)
- CPV
Vertical Prismatic Coefficient
- CW
Waterplane Area Coefficient
- D
Depth (to uppermost continuous deck at side midships)
- DISPLACE
Mass displacement (∇=ρ∇)
- FP
Forward Perpendicular - The perpendicular to the designed load waterline at its intersection with the forward side of the stem
- FW
Fresh water density (ρ taken as 1.000 tonne/m3)
- GM(T)
Metacentric Height (transverse)
- GML
Longitudinal metacentric height
- GZ
Righting lever
- IL
Longitudinal moment of inertia of waterplane about COF
- IT
Transverse moment of inertia of waterplane about COF
- K
Horizontal Plane through the baseline
- KB
Height of COB above baseline
- KG
Height of COG above baseline
- KM(L)
Height of Longitudinal metacenter
- KM(T)
Height of Transverse metacenter above baseline
- KN
Righting lever with COG assumed at K
- LBP
Length between perpendiculars (L in hydrostatic calculations)
- LCB
Longitudinal center of buoyancy
- LCF
Longitudinal center of flotation
- LCG
Longitudinal center of gravity
- LOA
Length overall
- LPP
Length between perpendiculars (L in hydrostatic calculations)
- LWL
Length on design load waterline
- M
Metacenter
- MCT 1"
Moment to change trim 1inch
- MCT 1cm
Moment to change trim 1cm
- N
Intersection of vertical through metacenter and horizontal through K on centerline
- SW
Salt water density (ρ taken as 1.025 tonne/m3)
- T
Draught (Draft), Wave Period
- TPC
Tonnes per centimeter immersion
- TPI
Tonnes per inch Immersion
- VCB
Vertical center of buoyancy
- VCG
Vertical center of gravity
- WL
Waterline
- WSA
Wetted Surface Area
- Z
Intersection of vertical through metacenter and horizontal through COG