The course deals with the problem of ship controllability.
The different approaches for the assessment of ship manoeuvrability characteristics will be covered, introducing the basic equation of motion and considering experimental and numerical approaches.
Current IMO requirements will be presented, together with the standard manoeuvres adopted for the assessment of ship manoeuvrability.
Definition of the basic motion equations and of the hydrodynamic characteristics which affect the ship behaviour in terms of manoeuvrability.
Theory and classwork.
During classwork a simplified manoeuvrability simulator will be developed (in Excel and successively in Simulink)
Governing equations
Straight line / Directional / Positional stability
Manoeuvring characteristics and standard manoeuvres
Existing rules
IMO (requirements, Pilot card, Wheelhouse poster, Manoeuvring booklet)
NATO (ANEP – STANAG) - RINAMIL
Model tests
Free running model tests
Captive model tests
Non linear equations
SNAME Model
MMG Model
Regressions
Steering devices
Rudder (open water)
Rudder (interaction effects)
Rudder design
Alternative (active) steering devices (Azipod, WJ, etc)
Appendages effects
System Identification
Speed variation
Slow speed manoeuvrability
Manoeuvrability in shallow and restricted waters
Notes of the lecturer
Principles of Naval Architecture (PNA) Vol.3
Ricevimento: Students are recieved on appointment, contacting via e-mail (michele.viviani@unige.it) or phone (010 3532547)
MICHELE VIVIANI (President)
MARCO FERRANDO
PAOLA GUALENI
CARLO PODENZANA BONVINO
As indicated in official timetable
SHIP CONTROLLABILITY
The exam is an oral examination, cover the exercises developed during the year and the theoretical part.
Direct evaluation of the oral exam.
