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Sea Loads on Ships and Offshore Structures : Cambridge Ocean Technology Series - O. Faltinsen

Sea Loads on Ships and Offshore Structures

Cambridge Ocean Technology Series

Paperback Published: 22nd November 1993
ISBN: 9780521458702
Number Of Pages: 340

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The book introduces the theory of the structural loading on ships and offshore structures caused by wind, waves and currents, and goes on to describe the applications of this theory in terms of real structures. The main topics described are linear-wave induced motions, loads on floating structures, numerical methods for ascertaining wave induced motions and loads, viscous wave loads and damping, stationkeeping and water impact and entry. The applications of the theoretical principles are introduced with extensive use of exercises and examples. They include conventional ships, barges, high speed marine vehicles, semisubmersibles, tension leg platforms, moored or dynamic positioned ships, risers, buoys, fishing nets, jacket structures and gravity platforms. One aim of the book is to provide a physical understanding through simplified mathematical models. In this way one can develop analytical tools to evaluate results from test models, full scale trials or computer simulation, and learn which parameters represent the major contributions and influences on sea loads.

Prefacep. vii
Introductionp. 1
Definitions of motionsp. 3
Traditional ship problemsp. 5
Offshore structure problemsp. 8
Hydrodynamic classification of structuresp. 10
Engineering toolsp. 11
Sea environmentp. 13
Basic assumptionsp. 13
Regular wave theoryp. 17
Statistical description of wavesp. 23
Windp. 31
Currentp. 33
Exercisesp. 34
Linear wave-induced motions and loads on floating structuresp. 37
Response in irregular seap. 37
Response in regular wavesp. 39
Discussion on natural periods, damping and excitation levelp. 68
Linear wave-induced motions and loads on a tension leg platform (TLP) in the mass-force domainp. 74
Heave motion of a semi-submersiblep. 76
Minimalization of vertical ship motionsp. 81
Roll stabilizationp. 85
Exercisesp. 89
Numerical methods for linear wave-induced motions and loadsp. 102
Source techniquep. 103
Alternative solution proceduresp. 118
Forward speed and current effectsp. 122
Exercisesp. 127
Second-order non-linear problemsp. 131
Mean wave (drift) forces and momentsp. 134
Slow-drift motions in irregular wavesp. 155
Slowly-varying oscillations due to windp. 166
Sum-frequency effectsp. 168
Exercisesp. 170
Current and wind loadsp. 174
Steady incident flow past a circular cylinderp. 174
Boundary layersp. 178
Wake behaviourp. 181
Vortex sheddingp. 184
Current loads on shipsp. 187
Current loads on offshore structuresp. 200
Wind loadsp. 207
Vortex-induced resonance oscillationsp. 207
Gallopingp. 212
Exercisesp. 215
Viscous wave loads and dampingp. 223
Morison's equationp. 223
Flow separationp. 228
Oscillatory non-separated flowp. 234
Separated flow at small KC-numbersp. 238
Separated flow at high KC-numbersp. 244
Experimental toolsp. 249
Exercisesp. 253
Stationkeepingp. 257
Mooring systemsp. 257
Thruster forcesp. 270
Thruster performance and dynamic positioningp. 276
Exercisesp. 277
Water impact and entryp. 282
Slammingp. 282
Water entry problemsp. 296
Exercisesp. 308
Referencesp. 316
Indexp. 324
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780521458702
ISBN-10: 0521458706
Series: Cambridge Ocean Technology Series
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 340
Published: 22nd November 1993
Country of Publication: GB
Dimensions (cm): 22.61 x 15.24  x 2.29
Weight (kg): 0.45

Earn 145 Qantas Points
on this Book