Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 111
... present method is exam- ined by comparing the numerical results of second - order wave exciting forces on a vertical circular cylinder obtained by the present method with the experimental values by Masuda and Nagai ( 1989 ) and the ...
... present method is exam- ined by comparing the numerical results of second - order wave exciting forces on a vertical circular cylinder obtained by the present method with the experimental values by Masuda and Nagai ( 1989 ) and the ...
Page 142
... Present Work 2 3 R k " H2 FIGURE 7 ROLL MOMENT Z 20m L = 10m H , 10m -Kokkinowrachos ( 1980 ) · Present Work 0.0 FIGURE 8 0.09- M ᎾᎾ 3 p8H L 0.07- 0.05- 0.03 0.0 FIGURE 9 0.5 1.0 1.5 0.01 • Z L = 10m H1 = 10m 1.0 1.5 w ( rad sec1 ) ...
... Present Work 2 3 R k " H2 FIGURE 7 ROLL MOMENT Z 20m L = 10m H , 10m -Kokkinowrachos ( 1980 ) · Present Work 0.0 FIGURE 8 0.09- M ᎾᎾ 3 p8H L 0.07- 0.05- 0.03 0.0 FIGURE 9 0.5 1.0 1.5 0.01 • Z L = 10m H1 = 10m 1.0 1.5 w ( rad sec1 ) ...
Page 367
... Present method Keulegan et al ( expt ) ww -5.0 0.0 -2.5 -7.5 10.0 0.0 10 2.0 30 4.0 Number of Cycles Figure 6 : Forces on an oscillating flat plate , K. 15.000 12.500 Present Method Keulegan et al ( expt ) Kudo ( numerical ) 04 = 6.6 ...
... Present method Keulegan et al ( expt ) ww -5.0 0.0 -2.5 -7.5 10.0 0.0 10 2.0 30 4.0 Number of Cycles Figure 6 : Forces on an oscillating flat plate , K. 15.000 12.500 Present Method Keulegan et al ( expt ) Kudo ( numerical ) 04 = 6.6 ...
Contents
OCEAN WAVES AND CURRENT | 1 |
HYDRODYNAMIC FORCES | 69 |
17 | 90 |
Copyright | |
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added mass amplitude analysis axial behaviour boundary bubble buoy cable calculated Campos Basin coefficients compliant tower components configuration crane vessels cylinder damping model damping ratio developed direction displacement distribution domain drag coefficient drag force dynamic response effect Engineering equation estimated experimental Figure floating flow fluid heave motion hydrodynamic hydrodynamic damping installation interaction internal wave irregular waves Karunakaran length linear load matrix measured method modal mode model testing module natural frequency natural period nondimensional nonlinear obtained Ocean Offshore Structures operations oscillation parameters peak pipe pipeline platform pontoon potential predicted pressure ratio Rayleigh Rayleigh distribution resonant riser rotation second-order semisubmersible ship shown simulation spectra spectrum stiffness Stirling engine subsea surge tank technique tendon tension tethers transfer function values vector velocity velocity potential vertical vessel vibration water depth wave force wave height wave period