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 143
... ratio should be important parameter . The nondimensional coefficient increases with decreasing velocity ratio Sa w / xs ws . Fig.12 shows the dependency on the wave frequency . As shown is Fig.11 , the nondimentional coefficient depends ...
... ratio should be important parameter . The nondimensional coefficient increases with decreasing velocity ratio Sa w / xs ws . Fig.12 shows the dependency on the wave frequency . As shown is Fig.11 , the nondimentional coefficient depends ...
Page 206
... ratios of approximately 1 to 5. As shown previously the hydrodynamic damping is a function of the response but to a first approximation a damping ratio of 2 to 3 appears reasonable . 4.3 Lift Force The effective lift force has been ...
... ratios of approximately 1 to 5. As shown previously the hydrodynamic damping is a function of the response but to a first approximation a damping ratio of 2 to 3 appears reasonable . 4.3 Lift Force The effective lift force has been ...
Page 330
... ratio . The reference length , S , is given by the following expression S = = ng / w_ n ( 18 ) where g is the acceleration due to gravity and w1 is the natural frequency of the platform . The platform system considered herein with 8 ...
... ratio . The reference length , S , is given by the following expression S = = ng / w_ n ( 18 ) where g is the acceleration due to gravity and w1 is the natural frequency of the platform . The platform system considered herein with 8 ...
Contents
HYDRODYNAMIC FORCESI | 1 |
Catchment Regions of Multiple Dynamic Responses in Nonlinear Problems of Offshore Mechanics | 15 |
Hydrodynamic Forces on a Floating Cylinder in Waves of Finite Depth | 23 |
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acting amplitude analysis angle applied approximate assumed body boundary breaking calculated coefficient compared comparison components computed considered corresponding cylinder damping density depend depth determined diameter direction distribution drag drift drift force dynamic effects elevation energy Engineering equation estimated excitation experimental experiments expressed field Figure flow fluid frequency function given horizontal hydrodynamic incident increase integral irregular length linear load mass maximum mean measured Mechanics method motion obtained Ocean Offshore oscillation parameters period phase platform position potential predicted present pressure probability problem range ratio region regular waves relative Research respectively response second order shear ship shown shows simulation solution spectra spectrum structure surface Table theory values velocity vertical wave drift wave forces wave height wind