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 22
... measured mean wave direction contains some bias due to misalignment of the current meter . Figure 9 ( b ) shows both measured and target spreading width , o , as a function of frequency . The measured o is resolved to be between 2 and 4 ...
... measured mean wave direction contains some bias due to misalignment of the current meter . Figure 9 ( b ) shows both measured and target spreading width , o , as a function of frequency . The measured o is resolved to be between 2 and 4 ...
Page 23
... measured . SR ( f , e ) ( m2 / Hz / deg ) -0.50 0.00 0.50 1.00 0.05 f ( Hz ) 0.15 -90.0 0.0 e ( deg ) 90.0 Figure 15. Residual spectrum for GH seas . Examination of numerically synthesized data can elucidate the relative importance of ...
... measured . SR ( f , e ) ( m2 / Hz / deg ) -0.50 0.00 0.50 1.00 0.05 f ( Hz ) 0.15 -90.0 0.0 e ( deg ) 90.0 Figure 15. Residual spectrum for GH seas . Examination of numerically synthesized data can elucidate the relative importance of ...
Page 24
... MEASURED 00 240.0 180.0 120.0 -30.0 60.0 -45.0 0.0 0.0 0.05 0.10 Frequency ( Hz ) 0.15 0.20 48.0 ( b ) S ( 1 ) 40.0 360.0 MEASURED 00 300.0 240.0 SYNTHESIZED o Ꮎ 24.0 180.0 TARGET @@ 16.0 120.0 8.0 60.0 0.0 0.0 0.0 0.05 0.10 0.15 ...
... MEASURED 00 240.0 180.0 120.0 -30.0 60.0 -45.0 0.0 0.0 0.05 0.10 Frequency ( Hz ) 0.15 0.20 48.0 ( b ) S ( 1 ) 40.0 360.0 MEASURED 00 300.0 240.0 SYNTHESIZED o Ꮎ 24.0 180.0 TARGET @@ 16.0 120.0 8.0 60.0 0.0 0.0 0.0 0.05 0.10 0.15 ...
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