Offshore and Coastal Modelling

Title Page
......Page 2
Copyright
......Page 3
Preface
......Page 4
Contents
......Page 5
1. Modelling in Offshore and Coastal Engineering
......Page 10
2 .2 Tides and Tidal Currents
......Page 12
2.3 North Sea Storm Surges......Page 19
2.4 Two-Dimensional Numerical Storm-Surge Models
......Page 24
2.5 Surge Forecasting......Page 35
2.6 Three-Dimensional Models
......Page 49
2.7 Vertical Structure of Current
......Page 51
References......Page 61
3.2 Spectral Model Formulation......Page 64
3.3 Form of Vertical Eddy Viscosity
......Page 67
3.4 A Three Dimensional Simulation Model of Surge Currents on the North-West European Shelf
......Page 74
3.5 A Mechanistic Model of wind Induced Current Profiles
......Page 80
3.6 Concluding Remarks......Page 86
References......Page 88
4 .2 Hydrodynamics......Page 91
4.3 Optimal Control......Page 93
References......Page 100
5 .2 Points to Note in Modelling
......Page 101
5.3 The Aims of A Mathematical Model of Storm Surges
......Page 103
5.4 The Differential Equations of the Model
......Page 106
5.5 Computational Aspects......Page 110
5.6 Numerical Results : The Storm of 1953
......Page 113
5.7 Summary......Page 115
References......Page 116
6. 2 Need for Computer Models
......Page 117
6.3 Model Types......Page 119
6.4 Conclusions......Page 140
References......Page 141
7.1 Introduction......Page 145
7.2 Ray Models......Page 147
7.3 Application of the Ray Model, A Simple Case
......Page 154
7.4 A Study Including Wave Breaking......Page 162
7.5 A Study Including Diffraction and Reflection
......Page 169
7.6 Future Developments......Page 171
References......Page 172
8.1 Introduction......Page 173
8.2 Formulation of the Problem
......Page 174
8.3 First Order Solution......Page 178
8.4 Second Order Solution......Page 180
8.5 Third Order Solution......Page 181
8.6 Wind Shear Stress......Page 187
8.7 Conclusions......Page 192
References......Page 193
9. 2 Experimental Tests......Page 194
9.3 Power Take-Off Simulation
......Page 195
Acknowledgements......Page 205
References......Page 206
10.2 Finite Element Modelling of Ilfracombe Seawall
......Page 207
10.3 The Need for a Finite Element Model Approach
......Page 208
10.4 Conclusions......Page 221
References......Page 224
11.1 Introduction......Page 225
11.2 General Considerations when Modelling Beach Changes
......Page 227
11.3 Derivation of an Alongshore Transport Formula
......Page 231
11.4 Incipient Motion of Shingle
......Page 234
11.5 Discussion......Page 237
11.6 Conclusions......Page 238
References......Page 239
13.1 Introduction......Page 242
13.2 Assumptions......Page 245
13.3 Equations......Page 246
13.4 Boundary Conditions......Page 247
13.6 The Load......Page 248
13.7 Method of Solution
......Page 250
13.8 Analytical Solutions for Simplified Models
......Page 252
13.9 Results......Page 253
13.10 Application......Page 259
Acknowledgements......Page 265
References......Page 266
14.2 Equation of Motion
......Page 269
14.3 Boundary Conditions......Page 271
14.4 Method of Solution
......Page 272
14.5 Flanges......Page 274
14.6 Comparison of Analytical and Numerical Results
......Page 278
14.7 Numerical Results......Page 279
14.8 Conclusions......Page 288
Acknowledgements......Page 289
References......Page 290
15.1 Introduction......Page 292
15.2 Representation of the Environment......Page 294
15.3 Mathematical Model of Moored Vessel......Page 296
15.4 Calculation of Environmental Forces and Moments......Page 297
15.5 Calculation of Mooring Forces and Moments......Page 303
15.6 Static Analysis......Page 308
Acknowledgements......Page 309
References......Page 311
16.2 The Statics of Cables and Pipes......Page 312
16.3 Hydrodynamic Forces......Page 318
16.4 Analytical Solutions......Page 322
16,5 Typical Problems and Numerical Solutions......Page 327
16.6 Final Comments......Page 337
References......Page 340
17.1 Introduction......Page 342
17.2 General Mass Transport Theory......Page 344
17.3 Mathematical Modelling of the Electrochemistry in Cracks......Page 345
17.4 Mathematical Modelling Cathodic Protection Offshore......Page 360
17.5 Mathematical Modelling of Crevice Corrosion and Protection......Page 361
17.6 Mathematical Modelling of Corrosion in Concrete......Page 362
17.7 Conclusions......Page 363
References......Page 364
18.2 Fatigue Crack Growth Behaviour of Tubular Joints......Page 366
18.3 Theoretical Analysis of Crack Growth......Page 374
Acknowledgements......Page 381
References......Page 382
Index......Page 383