Practical Ship Hydrodynamics

Preface ............................................. ix
1 Introduction ..................................
1.1 Overview of problems and
1
approaches ............................................ 1
1.2 Model tests similarity laws .............. 4
1.3 Full-scale trials .................................
1.4 Numerical approaches
8
(computational fluid dynamics) ............... 9
1.4.1 Basic equations ............................. 9
1.4.2 Basic CFD techniques................... 14
1.4.3 Applications................................... 15
1.4.4 Cost and value aspects of CFD .... 19
1.5 Viscous flow computations ............... 22
1.5.1 Turbulence models........................ 23
1.5.2 Boundary conditions...................... 26
1.5.3 Free-surface treatment.................. 28
1.5.4 Further details ............................... 29
1.5.5 Multigrid methods.......................... 31
1.5.6 Numerical approximations............. 32
1.5.7 Grid generation ............................. 34
2 Propellers...................................... 37
2.1 Introduction ...................................... 37
2.2 Propeller curves ............................... 39
2.3 Analysis of propeller flows ................ 42
2.3.1 Overview of methods .................... 42
2.3.2 Momentum theory ......................... 44
2.3.3 Lifting-line methods ....................... 45
2.3.4 Lifting-surface methods................. 46
2.3.5 Boundary element methods .......... 49
2.3.6 Field methods................................ 50
2.4 Cavitation ......................................... 51
2.5 Experimental approach .................... 54
2.5.1 Cavitation tunnels.......................... 54
2.5.2 Open-water tests........................... 55
2.5.3 Cavitation tests.............................. 56
2.6 Propeller design procedure .............. 56
2.7 Propeller-induced pressures ............
60