Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 3
... predicted values in ( 8 ) . Laboratory val- ues for envelope intervals were found to differ from linear predictions by more than 30 to 40 percent in some cases and were systematically smaller than those obtained from the linear theory ...
... predicted values in ( 8 ) . Laboratory val- ues for envelope intervals were found to differ from linear predictions by more than 30 to 40 percent in some cases and were systematically smaller than those obtained from the linear theory ...
Page 306
... prediction algorithm . The prediction error results are shown in figure 21 . The 5 - step - ahead prediction case is considered next . A 15th order AR model was used here and the predicted and actual motions are plotted in figure 22. The ...
... prediction algorithm . The prediction error results are shown in figure 21 . The 5 - step - ahead prediction case is considered next . A 15th order AR model was used here and the predicted and actual motions are plotted in figure 22. The ...
Page 308
... Prediction Figure 8 : Predicted and Actual Tanker Yaw . 10 - step - ahead Prediction -20 -40 -60 -80 0 100 200 300 400 500 600 700 800 900 1000 100 200 300 400 500 600 700 800 900 1000 Time ( s ) Time ( s ) Figure 6 : Predicted and ...
... Prediction Figure 8 : Predicted and Actual Tanker Yaw . 10 - step - ahead Prediction -20 -40 -60 -80 0 100 200 300 400 500 600 700 800 900 1000 100 200 300 400 500 600 700 800 900 1000 Time ( s ) Time ( s ) Figure 6 : Predicted and ...
Contents
OCEAN WAVES | 1 |
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 25 |
Copyright | |
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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