Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 7, Part 2American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 49
... expressed in terms of a directional wave spectrum defined by = E [ u2 ( √u2 + v2 ) ] E [ u2 ] ( 18 ) Sn = S ( w , e ) S ( w ) D ( w , 0 ) n where D ( w , e ) is should satisfy For ( 10 ) an angular spreading function which a symmetric ...
... expressed in terms of a directional wave spectrum defined by = E [ u2 ( √u2 + v2 ) ] E [ u2 ] ( 18 ) Sn = S ( w , e ) S ( w ) D ( w , 0 ) n where D ( w , e ) is should satisfy For ( 10 ) an angular spreading function which a symmetric ...
Page 102
... expressed by Morison - like expression as follows . F = Fd + iFL = DLCUU + ALLC ( dU / dt ) +1 ( 2 DLC LUU + PALLCLa ( du / dt ) ) ( 1 ) where Fd and FL denote the in - line and the transverse forces respectively . The coefficients Cd ...
... expressed by Morison - like expression as follows . F = Fd + iFL = DLCUU + ALLC ( dU / dt ) +1 ( 2 DLC LUU + PALLCLa ( du / dt ) ) ( 1 ) where Fd and FL denote the in - line and the transverse forces respectively . The coefficients Cd ...
Page 127
... expressed as : U ( t ) = Uc ( 8 ) Uc 1 + B Uct / D where B is a hydrodynamic coefficient = 2C / TCm for a circular cylinder . This is shown plotted schematically in Fig . 1 where it can be seen that the velocity of the ice gradually ...
... expressed as : U ( t ) = Uc ( 8 ) Uc 1 + B Uct / D where B is a hydrodynamic coefficient = 2C / TCm for a circular cylinder . This is shown plotted schematically in Fig . 1 where it can be seen that the velocity of the ice gradually ...
Contents
Catchment Regions of Multiple Dynamic Responses in Nonlinear Problems of Offshore Mechanics | 15 |
Hydrodynamic Forces on a Floating Cylinder in Waves of Finite Depth | 23 |
Wave Load Estimation in Deep Water as Affected by Wave Period Errors | 33 |
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added mass amplitude analysis angle approximately axial biofouling body breaker breaking waves calculated component computed Conference on Offshore cylinder damping coefficient diameter diffraction displacement distribution domain drag coefficient drag force dynamic effects exciting force experimental Figure flow fluid force coefficients forces acting free surface frequency domain function Green function harmonic Hermite polynomial hindcast hydrodynamic hydrodynamic forces ice mass in-line incident wave inertia integral interaction KC number load lowerhull maximum measured Mechanics and Arctic method Morison equation motion nondimensional nonlinear obtained Ocean Offshore Mechanics offshore structures oscillation panels parameters phase platform predicted present ratio Rayleigh distribution regular waves response second order semisubmersible shear shown in Fig simulation solution spectra spectral density spectrum superposition principle surface elevation values velocity potential vortex shedding w₁ water depth wave drift force wave forces wave height wave period