Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 12
... sampled at a rate of 720 samples per channel per cycle for 50 cycles of flow oscillation for a given angular position of the cylinder . Then the cylinder was rotated slowly ( in the clockwise direction ) at 5 - degree intervals ( with ...
... sampled at a rate of 720 samples per channel per cycle for 50 cycles of flow oscillation for a given angular position of the cylinder . Then the cylinder was rotated slowly ( in the clockwise direction ) at 5 - degree intervals ( with ...
Page 48
... sampled at a rate of 20 Hz by a PDP - 11 computer . Bottom 3.25m 2.15 m main strut horizontal struts Fairing Flow sandwich andplate Fig . 1 : Test set - up in the DMI towing tank . 1 O O 90 ° Fig . 2 : Definition of current attack angle ...
... sampled at a rate of 20 Hz by a PDP - 11 computer . Bottom 3.25m 2.15 m main strut horizontal struts Fairing Flow sandwich andplate Fig . 1 : Test set - up in the DMI towing tank . 1 O O 90 ° Fig . 2 : Definition of current attack angle ...
Page 338
... sampled at 1/60 hz . The data acquisition equipment , shown in Fig . 2 , was made of 3 PC IBM , one connected to the SYLADIS , one to the strain via modem and the third one to the remaining instruments . STRABI GAUGES www AMUNIO FC DAS ...
... sampled at 1/60 hz . The data acquisition equipment , shown in Fig . 2 , was made of 3 PC IBM , one connected to the SYLADIS , one to the strain via modem and the third one to the remaining instruments . STRABI GAUGES www AMUNIO FC DAS ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
Copyright | |
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added mass amplitude analysis approximately average body boundary condition cable calculated circular cylinder components computed correlation density diffraction displacement distribution drag coefficient dynamic effects Ekofisk Engineering experimental field Figure finite element floating flow fluid free surface frequency domain function Green function horizontal hydrodynamic hydrodynamic forces incident wave integral equation irregular waves length lift force linear load low-frequency matrix maximum measured method mode mode shapes mooring motion natural frequency nonlinear obtained Ocean Offshore Structures OMAE open boundary oscillation parameters phase velocity platform predicted present pressure problem random waves ratio response Reynolds number riser Sarpkaya seabed second-order ship simulation small forward solitary wave solution spectral spectrum stiffness surge tank tanker tension tether theory transverse values vector velocity potential vertical vessel vibration vortex vortices water depth wave drift damping wave forces wave height wave profile