Practical Ship HydrodynamicsIntroduction; Overview of problems and approaches; Model test and similarity laws; Full scale tests; Numerical approaches (Computational Fluid Dynamics); Basic equations, Basic techniques; Applications. Propeller Flows: Propeller geometry and other basics, Propeller curves; Numerical methods for propeller design; Lifting line theory; Lifting surface theory; BEM for propellers; Field methods; Cavitation; Experimental approach; Propeller design procedure. Resistance and propulsion: Resistance and propulsion concepts; Interaction between ship and propeller; Decomposition of resistance; Experimental approach; Towing tanks and experimental set up; Resistance test; Method ITTC 1957; Method of Hughes-Prohaska; Propulsion test; Additional resistance under service conditions; Simple design approaches; CFD approaches for steady flow; Wave resistance computations; Viscous flow computations; Problems for fast and unconventional ships. Ship Seakeeping: Introduction to seakeeping; Experimental approaches (model and full-scale); Waves and seaway; Airy waves (harmonic waves of small amplitude); Natural seaway; Wind and seaway; Wave climate; Numerical prediction of ship seakeeping; Overview of computational methods; Strip method; Rankine panel methods; Problems for fast and unconventional ships; Further quantities in regular waves; Ship responses in stationary seaway; Simulation methods; Long-term distributions; Slamming. Manoeuvring: Simulation of manoeuvring with known coefficients; Coordinate systems and definitions; Body forces and manoeuvring motions; Linear motion equations; CFD for manoeuvring; Experimental approaches; Manoeuvring tests for full-scale ships in sea trials; Model tests; Rudders; Computation of body forces; Slender-body theory; Influence of heel; Shallow-water effect; Jet thrusters; Stop manoeuvres. Boundary element methods: Green function formulation; Integral equations; Source elements; Point source; Regular first-order panel; Jensen panel; Higher-order panel; Vortex elements; Dipole elements; Point dipole. Numerical examples for BEM: Two-dimensional body in infinite flow; Theory; Numerical implementation. |
Contents
Chapter 1 Introduction | 1 |
Chapter 2 Propellers | 37 |
Chapter 3 Resistance and propulsion | 62 |
Chapter 4 Ship seakeeping | 98 |
Chapter 5 Ship manoeuvring | 151 |
Chapter 6 Boundary element methods | 207 |
Chapter 7 Numerical example for BEM | 236 |
| 265 | |
| 269 | |
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Common terms and phrases
acceleration added mass amplitude angle of attack approximated Bernoulli's equation body boundary condition boundary element methods cavitation centre collocation points constant coordinate system cylinder derivatives determined direction distribution dynamic effects elementary waves equation flow separation fluid domain forces formula free surface frequency Froude number full-scale ship geometries grid heel hydrodynamic inflow integral Kutta condition Laplace equation length lift lift coefficient lift force linear longitudinal manoeuvring maximum model tests Navier-Stokes equations non-dimensional non-linear panel methods plane potential flow prediction problem propeller propeller blade propeller slipstream propulsion test ratio resistance coefficient Reynolds number rudder angle seaway ship flows ship hull ship seakeeping ship speed simulations slamming slipstream solution steady strip methods theory three-dimensional thrust towing tank transverse turbulence models two-dimensional Unstructured grids usually velocity vertical viscous vortex vortices wake water surface wave resistance wind yields zero