Practical Ship Hydrodynamics

3 Resistance and propulsion .........
3.1 Resistance and propulsion
62
concepts .................................................
3.1.1 Interaction between ship and
62
propeller ................................................. 62
3.1.2 Decomposition of resistance ......... 65
3.2 Experimental approach ....................
3.2.1 Towing tanks and experimental
68
set-up ..................................................... 68
3.2.2 Resistance test.............................. 69
3.2.3 Method ITTC 1957 ........................ 71
3.2.4 Method of Hughes Prohaska ........ 73
3.2.5 Method of ITTC 1978 .................... 74
3.2.6 Geosim method of Telfer............... 75
3.2.7 Propulsion test ..............................
3.2.8 ITTC 1978 performance
75
prediction method................................... 3.3 Additional resistance under
76
service conditions................................... 80
3.4 Simple design approaches ............... 83
3.5 CFD approaches for steady flow ...... 83
3.5.1 Wave resistance computations ..... 83
3.5.2 Viscous flow computations............ 3.6 Problems for fast and
90
unconventional ships.............................. 3.7 Exercises: resistance and
91
propulsion............................................... 95
4 Ship seakeeping ........................... 98
4.1 Introduction ......................................
4.2 Experimental approaches (model
98
and full scale) ......................................... 99
4.3 Waves and seaway .......................... 101
4.3.1 Airy waves (harmonic waves of
small amplitude) ..................................... 101
4.3.2 Natural seaway ............................. 106
4.3.3 Wind and seaway.......................... 109
4.3.4 Wave climate................................. 4.4 Numerical prediction of ship
4.2
seakeeping .............................................
117