Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 47
... reduces natural frequency , and leads to a larger dynamic amplification factor ;
( d ) increases structural weight , both in water and above the mean water level ;
and ( e ) effects upon hydrodynamic instabilities , such as vortex shedding and ...
... reduces natural frequency , and leads to a larger dynamic amplification factor ;
( d ) increases structural weight , both in water and above the mean water level ;
and ( e ) effects upon hydrodynamic instabilities , such as vortex shedding and ...
Page 190
Circular Cylinder displacenont tine an high - frequency part which oscillates with
periods corresponding to those of waves ... 1 Schematic views of shedding
vortices obtained by flow visualization in a combined oscillation of high -
frequency ...
Circular Cylinder displacenont tine an high - frequency part which oscillates with
periods corresponding to those of waves ... 1 Schematic views of shedding
vortices obtained by flow visualization in a combined oscillation of high -
frequency ...
Page 191
The difference of the drag forces by the shedding vortices in a cycle of the high -
frequency oscillation yields the damping force for a low - frequency oscillation .
Figure 3 shows the simplified idea of the mechanism of the occurrence of the low
...
The difference of the drag forces by the shedding vortices in a cycle of the high -
frequency oscillation yields the damping force for a low - frequency oscillation .
Figure 3 shows the simplified idea of the mechanism of the occurrence of the low
...
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Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
HYDRODYNAMIC FORCES | 47 |
The Force Coefficients on Inclined Cylinder in Random Wave and Current | 57 |
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acting added mass amplitude analysis applied array assumed body boundary calculated circular coefficient compared comparison component considered constant corresponding crest cylinder damping defined dependent depth determined direction distribution domain drag drift dynamic effect element elevation Engineering equation estimated experimental experiments expressed Figure flow fluid forward speed frequency function given heave horizontal hydrodynamic increase integral irregular length lift force linear load maximum mean measured method mooring motion nonlinear obtained Offshore oscillation parameters period phase pile plate potential predicted present pressure problem radiation range ratio reference regular waves relative respectively response riser second-order ship shown shown in Fig simulation solution spectra spectrum structure surface surge Table theory velocity vertical vessel wave force wave height wind
Bibliographic information
| Title | Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2 |
| Contributor | American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division |
| Publisher | American Society of Mechanical Engineers, 1990 |
| Export Citation | BiBTeX EndNote RefMan |