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 148
The tests were repeated by replacing the spring to examine the effect of heave
natural periods on the hydrodynamic damping . sets The authors tested a vertical
caisson for heave damping ( Chakrabarti and Hanna ( 1990 ) ] in still water and in
...
The tests were repeated by replacing the spring to examine the effect of heave
natural periods on the hydrodynamic damping . sets The authors tested a vertical
caisson for heave damping ( Chakrabarti and Hanna ( 1990 ) ] in still water and in
...
Page 301
Super - harmonic excitation can result when the natural frequency of the system
is now at integral multiples of the wave frequency ( ie excitation occurs at the
natural frequency which is now above that of the forcing frequency ) .
Super - harmonic excitation can result when the natural frequency of the system
is now at integral multiples of the wave frequency ( ie excitation occurs at the
natural frequency which is now above that of the forcing frequency ) .
Page 467
Pluck Test The pluck test is a common test which uses the initial displacement
method to determine the natural frequencies and the damping ratios of the
structure . The structure was initially deformed by pulling it with a thread ( and
tying it in ...
Pluck Test The pluck test is a common test which uses the initial displacement
method to determine the natural frequencies and the damping ratios of the
structure . The structure was initially deformed by pulling it with a thread ( and
tying it in ...
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Contents
SPECIAL SESSION HYDRODYNAMICS | 1 |
HYDRODYNAMIC FORCES | 29 |
SECONDORDER EFFECTS | 113 |
Copyright | |
47 other sections not shown
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Common terms and phrases
acting amplitude analysis angle applied approach approximately assumed average body boundary cable calculated circular cylinder coefficients compared comparison components computed considered constant corresponding cylinder damping depth described determined diffraction direction distribution domain drag drift force effect element Engineering equation estimates experimental experiments expressed field Figure floating flow fluid follows free surface frequency function given height horizontal hydrodynamic incident included increase integral irregular waves length lift force linear loads mass maximum mean measured method mode mooring motion natural nonlinear obtained Ocean Offshore oscillation period phase platform points position potential predicted present pressure problem random range regular relative represents respectively response second order second-order separation ship shown shows simulation solution spectrum structure surge Table tests theory values velocity vertical vortex wave forces
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, 1991 |
| Export Citation | BiBTeX EndNote RefMan |