Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
From inside the book
Results 1-3 of 30
Page 166
... vessel to the random seas . In this Section , we will summarize briefly the second - order prediction filtering method ( Koh et al . , 1984 , 1985 ) which will be used to stabilize the moored vessel . In the course of the discussion ...
... vessel to the random seas . In this Section , we will summarize briefly the second - order prediction filtering method ( Koh et al . , 1984 , 1985 ) which will be used to stabilize the moored vessel . In the course of the discussion ...
Page 167
... VESSEL In the moored vessel case , we can regard the sea wave ex- citation as a measurable disturbance ( Astrom , 1984 ) . The mea- surable disturbances can be reduced with the aid of a properly designed feedforward technique . The ...
... VESSEL In the moored vessel case , we can regard the sea wave ex- citation as a measurable disturbance ( Astrom , 1984 ) . The mea- surable disturbances can be reduced with the aid of a properly designed feedforward technique . The ...
Page 168
... vessel response to the random sea waves , is generated by a predictor in Fig . 1 and described in Section 2. If only vessel stabilization is of interest , the reference signal w ( n ) can be set equal to zero . The admissible control ...
... vessel response to the random sea waves , is generated by a predictor in Fig . 1 and described in Section 2. If only vessel stabilization is of interest , the reference signal w ( n ) can be set equal to zero . The admissible control ...
Contents
OCEAN WAVES | 1 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 25 |
Copyright | |
39 other sections not shown
Other editions - View all
Common terms and phrases
acceleration added mass amplitude analysis boundary conditions calculated circular cylinder computed cosh crest cylinder array damping coefficient damping factor density diffraction domain drag coefficient drag force drift force dynamic effect equation estimated flow fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients integral irregular Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method motion nonlinear obtained offshore structures oscillatory parameters pile plate potential flow predicted quadratic rad/sec radiation condition ratio regular waves response Sarpkaya second order second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tank tanker transfer function vector velocity potential viscous vortex shedding vortices water depth wave amplitude wave drift damping wave excitation wave force wave frequency wave groups wave height wave number wave period wave power