Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1American Society of Mechanical Engineers, 2006 - Arctic regions |
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Page 371
... reduced value of damping . Figure la is for the design value of damping . Figure lb is for a reduced value of damping as a result of rotating the rudders to an unrealistic 90 degrees . 1.00 Patrol Vessel Roll Response ( Rudders Alligned ...
... reduced value of damping . Figure la is for the design value of damping . Figure lb is for a reduced value of damping as a result of rotating the rudders to an unrealistic 90 degrees . 1.00 Patrol Vessel Roll Response ( Rudders Alligned ...
Page 372
... reduced damping . The next set of results is for the roll coupled to the sway and yaw motion . Figure 5a is the coupled roll with the design value of damping while Figure 5b is for the reduced damping . Figure 5c is for a 25 % reduction ...
... reduced damping . The next set of results is for the roll coupled to the sway and yaw motion . Figure 5a is the coupled roll with the design value of damping while Figure 5b is for the reduced damping . Figure 5c is for a 25 % reduction ...
Page 774
... reduced integration solid element ( C3D8R ) . This element results lower first natural frequency which is 214 Hz . The reason is due to elements distortion in the first mode shape . Natural Frequency ( Hz ) Natural Frequency ( Hz ) 2500 ...
... reduced integration solid element ( C3D8R ) . This element results lower first natural frequency which is 214 Hz . The reason is due to elements distortion in the first mode shape . Natural Frequency ( Hz ) Natural Frequency ( Hz ) 2500 ...
Contents
OFFSHORE TECHNOLOGY | 1 |
OMAE200692014 | 7 |
OMAE200692055 | 23 |
Copyright | |
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25th International Conference added mass amplitude analysis applied Arctic Engineering June ASME axial behavior bending bending moment boundary caisson calculated catenary coefficients collision computed Conference on Offshore configuration considered Copyright 2006 curve cylinder damping deck diameter displacement dynamic effects Engineering June 4-9 equation experimental fatigue damage floating force frequency domain function heave hull hydrodynamic impact interaction jacket linear LNG carrier matrix maximum measured Mechanics and Arctic method mode mode shapes model tests mooring lines motion natural frequency nodes nonlinear numerical obtained Ocean Offshore Mechanics oscillation parameters pile pipe plate platform predicted presented ratio response riser S-N curve sensor shear ship shown in Figure simulation soil spar spar platform static stiffness strakes stress surface Table tank Technology tendon transverse values velocity vertical vessel vibration vortex induced vibrations water depth wave height weld wind farm wind turbine