Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American 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.
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.
Page 191
From equations ( 1 ) and ( 4 ) , the low - frequency damping coefficient CoL is obtained as follows . are cause ( called " forward swing " in the present paper ) , both of them are large ( See Figure 2 ) . In the next swing ( called ...
From equations ( 1 ) and ( 4 ) , the low - frequency damping coefficient CoL is obtained as follows . are cause ( called " forward swing " in the present paper ) , both of them are large ( See Figure 2 ) . In the next swing ( called ...
Page 197
31 27 REFERENCE estimated value of viscous damping 0.0 1.0 2.0 3.0 WH ( = WH B778 ) Seas , " wii circular frequency of low - frequency oscillation w yi circular frequency of high - frequency oscillation Y : anplitude of low - frequency ...
31 27 REFERENCE estimated value of viscous damping 0.0 1.0 2.0 3.0 WH ( = WH B778 ) Seas , " wii circular frequency of low - frequency oscillation w yi circular frequency of high - frequency oscillation Y : anplitude of low - frequency ...
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Contents
CONTENTS | 1 |
OFFSHORE TECHNOLOGY PART | 12 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
Copyright | |
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acting added amplitude analysis applied array body boundary calculated circular coefficient compared comparison component computed considered constant crest cylinder damping defined depends depth determined direction distribution domain drag drift dynamic effect elevation Engineering equation estimated experimental experiments factor field Figure flow fluid frequency function given horizontal hydrodynamic incident increase integral irregular KC number length lift lift force linear load mass maximum mean measured method moored motion nonlinear obtained Offshore oscillation parameters peak period pile plate potential predicted presented pressure problem radiation random range ratio regular waves relative respectively response second-order ship shown shows simulation solution spectra spectrum speed structure surface surge Table technique term theory tion velocity vertical vessel vortex wave force wave height