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 164
... assumed to be Rayleigh distributed . The long term upcrossing frequency is required for the time vari- ant formulation . Under the assumption of statistically independent upcrossings of high levels , Næss [ 10 ] has shown that the ...
... assumed to be Rayleigh distributed . The long term upcrossing frequency is required for the time vari- ant formulation . Under the assumption of statistically independent upcrossings of high levels , Næss [ 10 ] has shown that the ...
Page 259
... ( assumed fixed ) . Cutoff level at 2.0 . 108 cycles for the DS 449 X curve . So is assumed normally distributed with a mean value of 34 MPa and a coefficient variation of 10 % . = Incomplete Gamma Function Uncertainties in loading are ...
... ( assumed fixed ) . Cutoff level at 2.0 . 108 cycles for the DS 449 X curve . So is assumed normally distributed with a mean value of 34 MPa and a coefficient variation of 10 % . = Incomplete Gamma Function Uncertainties in loading are ...
Page 451
... assumed Log - normal with a coefficient of variation equal to 0.25 . ao , C and Kic are assumed to be independent . A second type of uncertainty originates in the difficulties which are related to the calculation of the geometry stress ...
... assumed Log - normal with a coefficient of variation equal to 0.25 . ao , C and Kic are assumed to be independent . A second type of uncertainty originates in the difficulties which are related to the calculation of the geometry stress ...
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