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 157
... added resistance using Method 1A ' i.e. derivatives of G included . Added Resistance Coefficient Rw 2.5- 2.0- 0.5 0.0 1.0 Froude Number - -- -Fn = -0.04 Fn = -0.02 Fn = -0.01 Fn = 0.001 Fn = 0.01 Fn = 0.02 --Fn = 0.04 1.5 2.0 2.5 3.0 ...
... added resistance using Method 1A ' i.e. derivatives of G included . Added Resistance Coefficient Rw 2.5- 2.0- 0.5 0.0 1.0 Froude Number - -- -Fn = -0.04 Fn = -0.02 Fn = -0.01 Fn = 0.001 Fn = 0.01 Fn = 0.02 --Fn = 0.04 1.5 2.0 2.5 3.0 ...
Page 161
... added resistances are effectively equal for all speeds , a zero damping value will occur . Between consecutive zero damping values the exis- tence of a peak or trough depends upon the added resistance values increasing or decreasing ...
... added resistances are effectively equal for all speeds , a zero damping value will occur . Between consecutive zero damping values the exis- tence of a peak or trough depends upon the added resistance values increasing or decreasing ...
Page 331
ADDED HASS COEFF ADDED MASS COEFP . 0.44 0 42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 5 1 25 1.2 1.15 1.1 1.05 0.95 0.9 1 15 17 0.85 5 15 17 47 Added Mass Coetf . Daaping Coeff Added Mass Coeff . 16 1.5 14 1.3 1.2 ...
ADDED HASS COEFF ADDED MASS COEFP . 0.44 0 42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 5 1 25 1.2 1.15 1.1 1.05 0.95 0.9 1 15 17 0.85 5 15 17 47 Added Mass Coetf . Daaping Coeff Added Mass Coeff . 16 1.5 14 1.3 1.2 ...
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