Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 7, Part 2American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 241
... spectra for the case without shear . One sharp peak with large amplitude at f = 90 Hz and a second smaller but broader peak centered around f = 180 Hz were evident in all the spectra at different z - locations . This indicates that in ...
... spectra for the case without shear . One sharp peak with large amplitude at f = 90 Hz and a second smaller but broader peak centered around f = 180 Hz were evident in all the spectra at different z - locations . This indicates that in ...
Page 257
... spectra were calculated for a parent hull and two derived hulls . The parent hull and draft - to - length ratio H / L = = 0.10 has beam - to - length ratio B / L 0.0625 , with half - width ƒ given by f ƒ = 2/2 B ( 1 -x - x2 ) [ 1 − ( z ...
... spectra were calculated for a parent hull and two derived hulls . The parent hull and draft - to - length ratio H / L = = 0.10 has beam - to - length ratio B / L 0.0625 , with half - width ƒ given by f ƒ = 2/2 B ( 1 -x - x2 ) [ 1 − ( z ...
Page 260
... spectra Ss for Sea States 2 , 4 , and 6 = Before discussing the results shown in these figures , it should be recalled that the Kelvin power spectra P and Ps , where P is defined in Eq . ( 20 ) , are evaluated at x = R = Xo / 0.708 ...
... spectra Ss for Sea States 2 , 4 , and 6 = Before discussing the results shown in these figures , it should be recalled that the Kelvin power spectra P and Ps , where P is defined in Eq . ( 20 ) , are evaluated at x = R = Xo / 0.708 ...
Contents
Catchment Regions of Multiple Dynamic Responses in Nonlinear Problems of Offshore Mechanics | 15 |
OFFSHORE TECHNOLOGY GEOTECHNICAL ENGINEERING | 21 |
Hydrodynamic Forces on a Floating Cylinder in Waves of Finite Depth | 23 |
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added mass amplitude analysis approximately biofouling body boundary breaker breaking waves calculated circular cylinder component computed cylinder damping coefficient diameter diffraction domain drag coefficient drag force dynamic effects exciting force experimental Figure fluid force coefficients forces acting free surface function Green function harmonic Hermite polynomial hindcast hydrodynamic hydrodynamic forces ice mass in-line incident wave inertia integral interaction irregular Kc number linear wave theory load lowerhull maximum measured Mechanics and Arctic method nondimensional nonlinear obtained Ocean Offshore Mechanics offshore structures oscillation parameters platform predicted present ratio Rayleigh distribution regular waves response Reynolds number second order second-order semi-submersible platform semisubmersible shear flow shown simulation solution spectra spectral density spectrum superposition principle surface elevation surge motion tests values velocity potential vibrations vortex shedding w₁ water depth wave drift damping wave drift force wave forces wave frequency wave height wave period