Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 1American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 266
... excitation ) and lateral forces ( called forcing or external excitation ) . The time - varying axial forces are considered to be imparted by surface platform heave motion and the lateral forces are induced by platform surge motion ...
... excitation ) and lateral forces ( called forcing or external excitation ) . The time - varying axial forces are considered to be imparted by surface platform heave motion and the lateral forces are induced by platform surge motion ...
Page 269
excitation are also much larger than those of forcing or parametric excitation . The response periods of three excitations are all the same as that of the 15 second excitation period . However , for CASE III ( Figure 5 ( c ) ) which ...
excitation are also much larger than those of forcing or parametric excitation . The response periods of three excitations are all the same as that of the 15 second excitation period . However , for CASE III ( Figure 5 ( c ) ) which ...
Page 270
... excitation is an exact sinusoid . If the combined excitation profile is random with a narrow banded spectrum , the response amplitudes of lateral deflections are likely to be even smaller . In other words , the above results give more a ...
... excitation is an exact sinusoid . If the combined excitation profile is random with a narrow banded spectrum , the response amplitudes of lateral deflections are likely to be even smaller . In other words , the above results give more a ...
Contents
OCEAN WAVES AND CURRENT | 1 |
Directional Wave Observations During High Sea States From an NDBC Discus Buoy | 25 |
Vortex Trajectories Around a Circular Cylinder in Oscillatory Plus Mean Flows | 69 |
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added mass added resistance analysis body buoy cable calculated catenary components computed configuration convective cylinder damping ratio density displacement distribution domain drag coefficient drag force drift forces dynamic response effect energy Engineering estimated experimental extreme Figure floating flow fluid force coefficients free surface function Green's function heave motion horizontal hydrodynamic hydrodynamic damping incident wave inertia integral internal wave irregular waves KC number lift force linear load low-frequency damping matrix maximum measured method mode mooring Morison equation nondimensional nonlinear obtained Ocean Ocean Engineering Offshore Technology oscillation parameters peak phase velocity platform pontoon potential prediction Rayleigh Rayleigh distribution region resonant rotation second-order ship shown simulation solitary wave spectra spectrum submerged surge tension tethers values vector velocity velocity potential vertical vibration vortex water depth wave crest wave forces wave frequency wave height wave period Wavenumber wind