Wave Forces on Offshore Structures
by Turgut 'Sarp' SarpkayaBuy New
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Summary
Author Biography
Table of Contents
| Preface | p. xi |
| Introduction | p. 1 |
| Classes of offshore structures | p. 3 |
| Review of the fundamental equations and concepts | p. 7 |
| Equations of motion | p. 7 |
| Rotational and irrotational flows | p. 9 |
| Velocity potential | p. 11 |
| Euler's equations and their integration | p. 13 |
| Stream function | p. 15 |
| Basic inviscid flows | p. 16 |
| Force on a circular cylinder in unseparated inviscid flow | p. 17 |
| Slow motion of a spherical pendulum in viscous flow | p. 20 |
| Added mass or added inertia | p. 22 |
| An example of the role of the added inertia | p. 30 |
| Forces on bodies in separated unsteady flow | p. 31 |
| Kinetic energy and its relation to added mass | p. 33 |
| Separation and time-dependent flows | p. 39 |
| Introduction and key concepts | p. 39 |
| Consequences of separation | p. 42 |
| Body and separation | p. 47 |
| Strouhal number | p. 52 |
| Near wake and principal difficulties of analysis | p. 56 |
| Lift or transverse force | p. 58 |
| Free-stream turbulence and roughness effects | p. 58 |
| Impulsively started flows | p. 64 |
| Introductory comments | p. 64 |
| Representative impulsively started flows | p. 65 |
| Sinusoidally oscillating flow | p. 69 |
| Introduction | p. 69 |
| Fourier-averaged drag and inertia coefficients | p. 75 |
| Experimental studies on Cd and Cm | p. 76 |
| Transverse force and the Strouhal number | p. 85 |
| Roughness effects on Cd, Cm, CL, and St in SOF | p. 90 |
| A critical assessment of the Morison equation | p. 95 |
| Oscillatory plus mean flow or the in-line oscillations of a cylinder in steady flow | p. 98 |
| Forced oscillations of a cylinder in a trough | p. 104 |
| Oscillatory flow in a smaller U-shaped water tunnel | p. 107 |
| Waves and wave-structure interactions | p. 109 |
| Surface gravity waves | p. 109 |
| Linear wave theory | p. 110 |
| Higher-order wave theories | p. 115 |
| Character of the forces predicted | p. 117 |
| Random waves | p. 119 |
| Representative frequency spectra | p. 121 |
| Wave-structure interaction | p. 122 |
| Principal factors of analysis and design | p. 123 |
| Design wave and force characterization | p. 125 |
| Force-transfer coefficients | p. 127 |
| A brief summary of the literature giving explicit Cd and Cm values | p. 135 |
| Suggested values for force-transfer coefficients | p. 138 |
| Effects of orbital motion, coexisting current, pile orientation, interference, and wall proximity | p. 139 |
| Pipe lines and wall-proximity effects | p. 155 |
| Wave impact loads | p. 166 |
| Wave forces on large bodies | p. 172 |
| Introduction | p. 172 |
| The case of linear diffraction | p. 175 |
| Froude-Krylov force | p. 176 |
| The case of a circular cylinder | p. 177 |
| Higher-order wave diffraction and the force acting on a vertical cylinder | p. 181 |
| Closing remarks | p. 184 |
| Vortex-induced vibrations | p. 186 |
| Key concepts | p. 186 |
| Nomenclature | p. 190 |
| Introduction | p. 192 |
| Added mass, numerical simulations, and VIV | p. 203 |
| Governing and influencing parameters | p. 204 |
| Parameter space | p. 204 |
| Uncertainties | p. 207 |
| Mass and structural damping | p. 208 |
| fvac, fcom, and added mass | p. 209 |
| Linearized equations of self-excited motion | p. 211 |
| Unsteady force decomposition | p. 213 |
| Lighthill's force decomposition | p. 215 |
| Limitations of forced and free vibrations | p. 217 |
| General discussion | p. 217 |
| Amplitude and phase modulations | p. 219 |
| Experiments with forced oscillations | p. 223 |
| A brief summary of the existing contributions | p. 223 |
| Detailed discussion of more recent experiments | p. 227 |
| The wake and the VIV | p. 232 |
| Self-excited vibrations | p. 240 |
| Discussion of facts and numerical models | p. 250 |
| Suppression devices | p. 252 |
| Evolution of numerical models | p. 255 |
| Experiments with advanced models | p. 262 |
| Hydrodynamic damping | p. 265 |
| Key concepts | p. 265 |
| Introduction | p. 265 |
| Elements of damping | p. 267 |
| Stokes canonical solutions | p. 268 |
| Previous investigations | p. 270 |
| Representative data | p. 272 |
| Solid cylinders | p. 272 |
| Perforated cylinders | p. 274 |
| Three-dimensional instabilities | p. 275 |
| Closing remarks | p. 280 |
| References | p. 285 |
| Index | p. 321 |
| Table of Contents provided by Ingram. All Rights Reserved. |
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