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 147
... damping for a moored semi- submersible platform during low - frequency surge motion is investigated . The result shows that the second order potential effect of waves as well as the viscous effect have an effect on the increase of low ...
... damping for a moored semi- submersible platform during low - frequency surge motion is investigated . The result shows that the second order potential effect of waves as well as the viscous effect have an effect on the increase of low ...
Page 153
... damping , mean and slowly varying wave drift force damping are important , that Newman's approximation can be used to calculate slowdrift excitation force and damping and that Rayleigh distribution can be used to calculate extreme ...
... damping , mean and slowly varying wave drift force damping are important , that Newman's approximation can be used to calculate slowdrift excitation force and damping and that Rayleigh distribution can be used to calculate extreme ...
Page 157
... damping is the only damping component , the damping ratio is 14.54 % . This relatively high damping ratio has caused the extreme value distribution to follow more closely to Næss ' method , in particular when number of oscillation ...
... damping is the only damping component , the damping ratio is 14.54 % . This relatively high damping ratio has caused the extreme value distribution to follow more closely to Næss ' method , in particular when number of oscillation ...
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 |
Copyright | |
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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