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 42
Hz 10-2 -90 -90 0.50 0.50 10-3 S ( a ) 5 ( e ) 0.00 .180 0.00 - 180 0 0 S 10-4 2 3
Dimensionless Frequency . Up 2 3 4 Dimensionless Frequency , Up 2.50 180
2.50 180 10-5 Case 3 Case 4 0 4 2 3 Dimensionless Frequency , fffp KCr - 8.6
Rer ...
Hz 10-2 -90 -90 0.50 0.50 10-3 S ( a ) 5 ( e ) 0.00 .180 0.00 - 180 0 0 S 10-4 2 3
Dimensionless Frequency . Up 2 3 4 Dimensionless Frequency , Up 2.50 180
2.50 180 10-5 Case 3 Case 4 0 4 2 3 Dimensionless Frequency , fffp KCr - 8.6
Rer ...
Page 157
equivalent of the mean drift the force QTFs . operator ( MDO ) line of and well
below the frequency range of the waves . For this reason , we are justified in
considering only the low frequency forces in the response simulations . a The
results of ...
equivalent of the mean drift the force QTFs . operator ( MDO ) line of and well
below the frequency range of the waves . For this reason , we are justified in
considering only the low frequency forces in the response simulations . a The
results of ...
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 ) .
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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 |