324
INDEX
Jackup rig, 3, 4, 42
Keulegan-Carpenter number, 25
Kinetic energy, see Energy
Kocsis method, 52
Lagrange équations, 208
Lift coefficient, 23
Linear momentum, 25
Line components, 248
Magnification factor, 40, 117
Mass matrix, 199
Mathieu équation, 262
Mean value, 166
Modal damping, 217, 218
Modal vectors, 214
Mode shape, 106
Moment of inertia, 19
Moorings:
buoy, 10, 11
platform, 9
ship, 9, 18, 51, 113, 263-265
Morison's équation, 25, 84
Newton’s second law, 18, 204
Node point, 196
Nonlinear motion:
free oscillations, 112-115
forced oscillations, 123
Nyquist frequency, 144
Orthogonality, 215
OTEC pipeline, 13, 275
Parallel axis theorem, 19
Parametric excitation, 249, 261, 269
Parseval’s theorem, 145
Perturbation theory, 112, 113
Pile loading:
axial, 291
latéral, 296, 307
Pipeline, 11, 13, 275
Platforms:
compilant, 3
fixed leg, see Jacket template
gravity, see Gravity platform
production, 4
semisubmersible, 3, 8
tension leg, 3, 7
Probability density, 167
Probability distribution, 167
Potential energy, see Energy
p-y curves, 299
Rayleigh damping, 204, 217, 218
Rayleigh distribution, 169, 190
Rayleigh’s method, 105
Résonance, 117, 118
Reynolds number, 23
Riser, 12
Root-mean-square (rms), 167, 246
Scour, 300
Semisubmersible platform, 3
Shielding, 34
Simple System, 209
Slamming (wave), 39
Soil résistance:
damping, 53
response, 298, 316
stiffness, 53
Solidification, 34
Spatial averages, 275
Spectral density, 172
Stability:
dynamic, 238, 239, 262
static, 32
Standard déviation, 167
State variable, 184
Stationary process, 166, 169-171
Steady State response, 120, 187,
188, 219
Stiffness matrix, 201
Strouhal number, 24
Subharmonics, 129, 264, 265
Symmetric array, 201
Tension leg platform, 3, 7
Time average, 171
Transfer function, 94-96
Transverse excitation, 266
Ursell number, 71
Variance, 177, 187, 246
Virtual mass, 40, 200