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 18
... function specified for GH seas . D ( f . ) ( deg 1 ) 0.01 0.03 0.05 0.05 0.15 f ( Hz ) 0.25 0.0 -90.0 ( deg ) 90.0 Figure 5. Spreading function specified for HC seas . 0.05 0.03 D ( f . " ) ( deg 1 ) 0.01 HC 37.7 13.2 HB 41.5 17.3 - Sea ...
... function specified for GH seas . D ( f . ) ( deg 1 ) 0.01 0.03 0.05 0.05 0.15 f ( Hz ) 0.25 0.0 -90.0 ( deg ) 90.0 Figure 5. Spreading function specified for HC seas . 0.05 0.03 D ( f . " ) ( deg 1 ) 0.01 HC 37.7 13.2 HB 41.5 17.3 - Sea ...
Page 19
... function . The resultant frequency spectrum and spreading function are designated as the ' target ' functions for the generated sea state . ⚫ Calculate drive signals for each of the wave machine segments on the basis of linear wave ...
... function . The resultant frequency spectrum and spreading function are designated as the ' target ' functions for the generated sea state . ⚫ Calculate drive signals for each of the wave machine segments on the basis of linear wave ...
Page 196
... function is assumed to be a function of Kc * and um / Um as follows . n * i Wf = [ { a , Kc i = 1 + b ; / ( u / U ) ' } m ' m ( 19 ) It was attempted to determined this wake functions by fitting Equations ( 17 ) and ( 18 ) to ...
... function is assumed to be a function of Kc * and um / Um as follows . n * i Wf = [ { a , Kc i = 1 + b ; / ( u / U ) ' } m ' m ( 19 ) It was attempted to determined this wake functions by fitting Equations ( 17 ) and ( 18 ) to ...
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