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Ocean Wave Mechanics: Applications in Marine Structures

ISBN: 978-1-119-24163-8
280 pages
February 2017
Ocean Wave Mechanics: Applications in Marine Structures (1119241634) cover image

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Ocean Wave Mechanics: Applications in Marine Structures
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Table of Contents

1. Introduction 1–24

1.1 General 1

1.2 Structures in the Marine Environment 2

1.3 Environmental Parameters 10

1.4 Storm Tides, Tidal Bores, Tsunamis and Seiches 19

2. Basic Fluid Mechanics 25–40

2.1 Introduction 25

2.2 Types of Flow 25

2.3 Continuity Equation Conservation of Mass 28

2.4 Forces Acting on Fluids in Motion 30

2.5 Euler's Equation of Motion 30

2.6 Pathlines and Streamlines 33

2.7 Velocity Potential 33

2.8 Stream Function 33

2.9 Bernoulli Equation 33

3. Basics of Wave Motion 41–78

3.1 Introduction 41

3.2 Small Amplitude Wave Theory 42

3.3 Dispersion Relationship 47

3.4 Celerity in Different Water Depth Conditions 49

3.5 Local Fluid Particle Velocities and Accelerations Under Progressive Waves 52

3.6 Water Particle Displacement Under Progressive Waves 54

3.7 Pressure Distribution Under Progressive Waves 56

3.8 Group Celerity 57

3.9 Wave Energy 59

3.10 Wave Power 61

3.11 Mass Transport Velocity 64

4. Wave Deformation 79–98

4.1 Introduction 79

4.2 Different Zones Based on Behavior of Ocean Waves 79

4.3 Shoaling 80

4.4 Wave Refraction 81

4.5 Wave Diffraction 85

4.6 Combined Refraction and Diffraction 88

4.7 Breaking of Waves 89

4.8 Wave Reflection 92

4.9 Waves on Currents 93

5. Finite Amplitude Wave Theories 99–116

5.1 Introduction 99

5.2 Classification of Finite Amplitude Wave Theories 99

6. Description and Analysis of Random Waves 117–154

6.1 Generation of Ocean Waves 117

6.2 Collection of Wave Data 119

6.3 Analysis of Ocean Waves 120

6.4 Detailed Analysis 123

6.5 Presentation of Wave Characteristics 128

6.6 Ocean Wave Prediction Models 130

6.7 Standard Representation of Wave Spectra 131

6.8 Simulation of Time Series 135

6.9 Directional Waves 138

7. Wave Loads on Structures 155–200

7.1 Introduction 155

7.2 Various Force Regimes 156

7.3 Wave Forces on Slender Structures 158

7.4 Froude–Krylov Forces 168

7.5 Linear Diffraction Problem 170

7.6 Wave Slamming 176

7.7 Wave Forces on Walls and Rubble Mound Structures 176

7.8 Random Wave Forces 180

8. Ocean Wave Energy 201–214

8.1 Introduction 201

8.2 Ocean Energy 201

8.3 Wave Energy Potential 202

8.4 Wave Energy Map for India 202

8.5 Wave Energy Conversion 205

8.6 Wave Energy Devices 208

8.7 OWC Linked to Breakwaters 211

APPENDIX-A 215–220

Expressions for Stokes Fifth Order Theory 215

APPENDIX-B 221–228

Basics of Statistics and Random Process 221

Classification of Random Data 222

Cross Correlation Function Rxy(Τ) 226

Cross Spectrum 226

Coherence Function 227

APPENDIX-C 229–264

Wave Table 229

References 265–271

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