Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 189
LOW - FREQUENCY VISCOUS DAMPING FORCE ACTING ON A CYLINDER AND A FLAT PLATE Y. Ikeda and A. Fujiwara Department of Naval Architecture University of Osaka Osaka , Japan TIME DOMAIN SIMULATION OF SLOW DRIFT MOTION OF A MOORED. ABSTRACT Low ...
LOW - FREQUENCY VISCOUS DAMPING FORCE ACTING ON A CYLINDER AND A FLAT PLATE Y. Ikeda and A. Fujiwara Department of Naval Architecture University of Osaka Osaka , Japan TIME DOMAIN SIMULATION OF SLOW DRIFT MOTION OF A MOORED. ABSTRACT Low ...
Page 190
... low - frequency part . The vortex pattern around structural members , however , has not been clear in such a combined motion . When the frequency of the low - frequency motion is very low , the motion can be regarded to be a motion ...
... low - frequency part . The vortex pattern around structural members , however , has not been clear in such a combined motion . When the frequency of the low - frequency motion is very low , the motion can be regarded to be a motion ...
Page 191
... frequency oscillation yields the damping force for a low - frequency oscillation . Figure 3 shows the simplified idea of the mechanism of the occurrence of the low - frequency damping . Fig . 3 damping drag force for each swing ...
... frequency oscillation yields the damping force for a low - frequency oscillation . Figure 3 shows the simplified idea of the mechanism of the occurrence of the low - frequency damping . Fig . 3 damping drag force for each swing ...
Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
9 | 38 |
27 | 45 |
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added mass amplitude analysis array calculated results circular cylinder cosh crane ship crest damping coefficient density directional wave displacement distribution domain drag coefficient drag force dynamic effect Engineering equation estimated experimental results flow fluid force coefficients forces acting forward speed free surface Green's function heave horizontal hydrodynamic hydrodynamic forces incident wave irregular Kc number lift force linear load low-frequency matrix maximum measured method mooring line motion nonlinear obtained offshore structures oscillation parameters pile potential theory predicted pressure random ratio Rayleigh distribution regular waves response Sarpkaya second-order semisubmersible ship motions shown in Figure simulation solution spectra spectral density spectrum spreading function surge tanker transfer function vector velocity potential vertical vessel vortex vortex shedding vortices water depth wave amplitude wave component wave drift wave force wave frequency wave groups wave height wave number wave period wave power