Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
From inside the book
Results 1-3 of 89
Page 500
... in which the test cylinder is spring - supported in the in - line direction . Figs . 5 and 6 show corresponding plots of Cdv and C. In Fig . 5 the correspondence between self - excited and forced tests is considerably better than that ...
... in which the test cylinder is spring - supported in the in - line direction . Figs . 5 and 6 show corresponding plots of Cdv and C. In Fig . 5 the correspondence between self - excited and forced tests is considerably better than that ...
Page 502
... in one single mode . This is typical in so- called lock - in behaviour . ( See also section 3.2 . ) . The in - line flexibility is known to influence the cylinder vibrations considerably , see e.g. Moe et Al . ( 1991 ) . How- ever only ...
... in one single mode . This is typical in so- called lock - in behaviour . ( See also section 3.2 . ) . The in - line flexibility is known to influence the cylinder vibrations considerably , see e.g. Moe et Al . ( 1991 ) . How- ever only ...
Page 503
Force ( N ) Force ( N ) Transverse force time ( full line ) and displacement time series ( broken line ) . Spring supported cylinder under lock - in conditions . From Moe and Wu ( 1989 ) [ ZH / NWN ] Density [ NWN / Hz. Force ( N ) Force ...
Force ( N ) Force ( N ) Transverse force time ( full line ) and displacement time series ( broken line ) . Spring supported cylinder under lock - in conditions . From Moe and Wu ( 1989 ) [ ZH / NWN ] Density [ NWN / Hz. Force ( N ) Force ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
Copyright | |
32 other sections not shown
Other editions - View all
Common terms and phrases
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