《SEA LOADS ON SHIPS AND OFFSHORE STRUCTURES》求取 ⇩

1Introduction1

Denitions of motions3

Traditional ship problems5

Oshore structure problems8

Hydrodynamic classication of structures10

Engineering tools11

2Sea environment13

Basic assumptions13

Regular wave theo17

Statistical description of waves23

Wind31

Current33

Exercises34

3 Linear wave-induced motions and loads on oatingstructures37

Response in irregular sea37

Response in regular waves39

Discussion on natural periods, damping and excitationlevel68

Linear wave-induced motions and loads on a tension legplatform (TLP) in the mass-force domain74

Heave motion of a semi-submersible76

Minimalization of vertical ship motions81

Roll stabilization85

Exercises89

4 Numerical methods for linear wave-induced motionsand loads102

Source technique103

Alternative solution procedures118

Forward speed and current eects122

Exercises127

5 Second-order non-near problems131

Mean wave (drift) forces and moments134

Slow-drift motions in irregular waves155

Slowly-vaing oscillations due to wind166

Sum-frequency eects168

Exercises170

6Current and wind loads174

Steady incident ow past a circular cylinder174

Boundary layers178

Wake behaviour181

Vortex shedding184

Current loads on ships187

Current loads on oshore structures200

Wind loads207

Vortex-induced resonance oscillations207

Galloping212

Exercises215

7Viscous wave loads and damping223

Morison’s equation223

Flow separation228

Oscillato non-separated ow234

Separated ow at small KC-numbers238

Separated ow at high KC-numbers244

Experimental tools249

Exercises253

8Stationkeeping257

Mooring systems257

Thruster forces270

Thruster performance and dynamic positioning276

Exercises277

9 Water impact and entry282

Slamming282

Water ent problems296

Exercises308

References316

Index324