Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 210
... predicted by a time domain simulation which uses a square law drag term , but would not be simply predicted by a frequency domain analysis . Several phenomena were noted which cannot be predicted by the usual type of simulation program ...
... predicted by a time domain simulation which uses a square law drag term , but would not be simply predicted by a frequency domain analysis . Several phenomena were noted which cannot be predicted by the usual type of simulation program ...
Page 301
... predicted drag coefficients based on the RMS motion that were found by using a formula given by Griffin and Vandiver [ 10 ] : Ca = Ca [ 1.16+ 1.67 ( RMS ) ] D ( 2 ) where Cdo = 1.2 is the drag coefficient of a rigia cylinder , YRMS is ...
... predicted drag coefficients based on the RMS motion that were found by using a formula given by Griffin and Vandiver [ 10 ] : Ca = Ca [ 1.16+ 1.67 ( RMS ) ] D ( 2 ) where Cdo = 1.2 is the drag coefficient of a rigia cylinder , YRMS is ...
Page 579
... predicted with linear theory . Heretofore the use of higher order theories has not been successfully applied to this problem . The use of subsurface pressure transducers to measure wave height has been practiced for the past forty years ...
... predicted with linear theory . Heretofore the use of higher order theories has not been successfully applied to this problem . The use of subsurface pressure transducers to measure wave height has been practiced for the past forty years ...
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 applied approach approximation assumed body boundary calculated circular compared components computed considered correlation corresponding cylinder damping defined depends depth described determined direction distribution drag coefficient drift force effect elements Engineering equation estimate experimental experiments expressed extreme factor failure Figure flow fluid free surface frequency function given horizontal hydrodynamic important included increase indicate integral length lift lift force linear load maximum mean measured Mechanics method mode motion nonlinear normal obtained Offshore oscillation parameters period pipeline potential predicted present pressure probability problem random range ratio REFERENCES relative reliability represented respectively response second order separation shear ship shown shows simulation solution spectrum structure surface Table term theory transverse uncertainty variables varying velocity vertical vortex wave force wave height