1 Introduction

Denitions of motions

Traditional ship problems

Oshore structure problems

Hydrodynamic classication of structures

Engineering tools

2 Sea environment

Basic assumptions

Regular wave theo

Statistical description of waves

Wind

Current

Exercises

3 Linear wave-induced motions and loads on oatingstructures

Response in irregular sea

Response in regular waves

Discussion on natural periods, damping and excitationlevel

Linear wave-induced motions and loads on a tension legplatform (TLP) in the mass-force domain

Heave motion of a semi-submersible

Minimalization of vertical ship motions

Roll stabilization

Exercises

4 Numerical methods for linear wave-induced motionsand loads

Source technique

Alternative solution procedures

Forward speed and current eects

Exercises

5 Second-order non-near problems

Mean wave (drift) forces and moments

Slow-drift motions in irregular waves

Slowly-vaing oscillations due to wind

Sum-frequency eects

Exercises

6 Current and wind loads

Steady incident ow past a circular cylinder

Boundary layers

Wake behaviour

Vortex shedding

Current loads on ships

Current loads on oshore structures

Wind loads

Vortex-induced resonance oscillations

Galloping

Exercises

7 Viscous wave loads and damping

Morison’s equation

Flow separation

Oscillato non-separated ow

Separated ow at small KC-numbers

Separated ow at high KC-numbers

Experimental tools

Exercises

8 Stationkeeping

Mooring systems

Thruster forces

Thruster performance and dynamic positioning

Exercises

9 Water impact and entry

Slamming

Water ent problems

Exercises

References

Index