Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 15American Society of Mechanical Engineers, 1996 - Arctic regions |
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Page 101
... obtained after separating real and imaginary parts . Note that X ( t ) = x ( t ) + ix ( t ) where x is the output and x its real valued Hilbert transform . = 24 ) ( 8 ) Implementation of the Hilbert transform to free vibration data ...
... obtained after separating real and imaginary parts . Note that X ( t ) = x ( t ) + ix ( t ) where x is the output and x its real valued Hilbert transform . = 24 ) ( 8 ) Implementation of the Hilbert transform to free vibration data ...
Page 102
... obtained from the precalculated stiffness curve . The results obtained from the simulation without noise ( σ = 0 ) for the restoring ( a , ẞ ) and damping ( 7,8 ) moment parameters were within 0.01 % and 0.05 % error respectively from ...
... obtained from the precalculated stiffness curve . The results obtained from the simulation without noise ( σ = 0 ) for the restoring ( a , ẞ ) and damping ( 7,8 ) moment parameters were within 0.01 % and 0.05 % error respectively from ...
Page 197
... obtained from 11 h each of constrained simulations is smaller than the standard error of the mean of the extreme response distribution obtained from 300 h of random simulation . From this it can be concluded that the mean obtained from ...
... obtained from 11 h each of constrained simulations is smaller than the standard error of the mean of the extreme response distribution obtained from 300 h of random simulation . From this it can be concluded that the mean obtained from ...
Contents
PART | 1 |
Sea Surface Wind Stress in Stratified Atmospheric Flow | 49 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 65 |
Copyright | |
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acceleration amplitude analysis axial boundary conditions calculated cavitation cnoidal waves comparison components computed crest heights cylinder damping dent displacement distribution drag drag coefficient effects element equation estimated experimental factor Figure flow fluid force coefficients Fourier freak waves free surface function given Hilbert transform horizontal hull hydrodynamic hydrodynamic forces inertia interaction irregular wave linear wave LRFD maximum measured method monotower motion natural frequency nondimensional nonlinear North Sea obtained Ocean Offshore Structures OMAE oscillating parameters platform potential potential flow predicted pressure Proc reliability Reynolds number seastates second-order shear ship shown simulation skeg solution spectrum Statoil stress surface elevation Table theoretical transfer function transient wave values variable vertical vibration vortex induced vibrations vortex shedding wave elevation wave force wave kinematics wave load wave theory wave train Wheeler stretching wind