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 220
measured force measured force measured force 0.20 ( 44 ) 3 f ( kh ) NONLINEAR WAVE FORCES ON A PAIR OF VERTICAL CYLINDERS K. 0.00 00 0.10 0.20 0.30 0.00 0.10 0.20 0.30 0.00 0.10 0.30 -50 % 0 % + 50 % 0.00 0.05 0.15 0.10 calculated force ...
measured force measured force measured force 0.20 ( 44 ) 3 f ( kh ) NONLINEAR WAVE FORCES ON A PAIR OF VERTICAL CYLINDERS K. 0.00 00 0.10 0.20 0.30 0.00 0.10 0.20 0.30 0.00 0.10 0.30 -50 % 0 % + 50 % 0.00 0.05 0.15 0.10 calculated force ...
Page 566
... Measured and Desired Waves Conditions 500.00 600.00 SEC 500.00 600.00 FULL LENGTH MEASURED DESIRED THEORETICAL. 0.00 DESIRED WAYE TRAIN 1000.00 1100.00 MEASURED MAYE TRAIN 100.00 M ** 2 / HZ 200.00 300.00 100.00 500.00-20 . $ 0.00 METRES ...
... Measured and Desired Waves Conditions 500.00 600.00 SEC 500.00 600.00 FULL LENGTH MEASURED DESIRED THEORETICAL. 0.00 DESIRED WAYE TRAIN 1000.00 1100.00 MEASURED MAYE TRAIN 100.00 M ** 2 / HZ 200.00 300.00 100.00 500.00-20 . $ 0.00 METRES ...
Page 621
... measured result is somewhat greater than the values of Davenport or Kaimal et al . at low frequency region . 3.2 Waves The lower part of Fig.9 shows the significant wave height and wave period of January 1987. In this figure , dotted ...
... measured result is somewhat greater than the values of Davenport or Kaimal et al . at low frequency region . 3.2 Waves The lower part of Fig.9 shows the significant wave height and wave period of January 1987. In this figure , dotted ...
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