Seakeeping: Regular water waves – definition of ship motions – single degree of freedom motions in regular waves – uncoupled heave, pitch and roll motions – coupled heave and pitch motions – irregular waves - description of long crested waves by 2D spectrum – ship motions in 2D irregular waves – description of short-crested sea – ship motions in 3D irregular waves – dynamic effects – deck-wetness, slamming, relative motions, sea-sickness etc. – added resistance in waves – roll stabilization.
Manoeuvring: Types of directional stability - linear equations of motions in horizontal plane – hydrodynamic derivatives – stability index – standard manoeuvres – turning circle, zigzag, pullout and spiral manoeuvres – roll during turn – experimental determination of hydrodynamic derivatives – straight-line, rotating arm and PMM experiments – description of control surface (rudder) – control derivatives.
Regular water waves
Definition of ship motions
Single degree of freedom motions in regular waves
Uncoupled heave, pitch and roll motions
Coupled heave and pitch motions
Description of long crested waves by 2D spectrum
Ship motions in 2D irregular waves
Description of short-crested sea
Ship motions in 3D irregular waves
Dynamic effects - deck-wetness, slamming, etc.
Added resistance in waves
Types of directional stability
linear equations of motions in horizontal plane
zigzag, pullout and spiral manoeuvres
roll during turn
concept of nonlinear derivatives
experimental determination of hydrodynamic derivatives