Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 8, Part 2American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 32
... relative to ice . Similarly , the total hydrodynamic drag force , Fa , is written as FD = twAh = pCwÛwi¦Ûwi - Ah ( 2 ) in which p is the water density , Cw is an equivalent water drag coefficient , and uwi is a reference velocity of ice ...
... relative to ice . Similarly , the total hydrodynamic drag force , Fa , is written as FD = twAh = pCwÛwi¦Ûwi - Ah ( 2 ) in which p is the water density , Cw is an equivalent water drag coefficient , and uwi is a reference velocity of ice ...
Page 255
... relative velocity between the cylinder and the flow , is plotted Up , non - dimensionalised by ND . Figures 7 and 8 indicate that for 5 U / ND 7.5 , the traces of the transverse force repeat themselves every two cycles , rather than ...
... relative velocity between the cylinder and the flow , is plotted Up , non - dimensionalised by ND . Figures 7 and 8 indicate that for 5 U / ND 7.5 , the traces of the transverse force repeat themselves every two cycles , rather than ...
Page 477
... relative velocity . Thus the damping depends on the rms relative velocity and this can dominate damping due to wave making for semi - submersibles . The mean value of the viscous drag force for small C becomes < ρCD ( U2 + C ) / U2 + C ...
... relative velocity . Thus the damping depends on the rms relative velocity and this can dominate damping due to wave making for semi - submersibles . The mean value of the viscous drag force for small C becomes < ρCD ( U2 + C ) / U2 + C ...
Contents
HYDRODYNAMIC FORCES | 1 |
WaveCurrent Force on Horizontal Cylinder | 7 |
Tensions on Silt Curtains in Currents and Waves | 13 |
Copyright | |
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added mass amplitude analysis approximately Arctic Engineering base shear breakwater caisson calculated circular cylinder components computed Conference on Offshore correlation damping density deterministic diameter distribution domain drag coefficient drag force drift force dynamic effect experimental experiments factor failure flume force coefficients form drag free surface frequency function Green's function hindcast horizontal hydrodynamic hydrodynamic force ice floe inertia irregular waves lift coefficient lift force linear maximum mean measured Mechanics and Arctic method mode motion nonlinear North Sea obtained Offshore Mechanics Offshore Structures order theory oscillation oscillatory flow parameters pipeline platform potential present pressure problem random range ratio reliability response Reynolds number Sarpkaya second order second-order ship shown in Figure simulation skin friction spectrum surge tension theory transverse force uncertainty variables velocity potential vibration viscous vortex shedding vortices water depth water particle wave force wave height wave loads zero