## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |

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Page 922

The points to be made here are related to the

In general two sets of conditions are invoked at the exact

kinematic boundary condition , increases , this scheme becomes increasingly

elaborate ...

The points to be made here are related to the

**free surface**boundary conditions .In general two sets of conditions are invoked at the exact

**free surface**, akinematic boundary condition , increases , this scheme becomes increasingly

elaborate ...

Page 1075

Expt

trough focussed ( Expt . ) 0.05 Based on the 13 chosen frequencies , the

simulated

linearised ...

Expt

**free surface**time history at bow ( without ship ) 01 crest focussed ( Expt . )trough focussed ( Expt . ) 0.05 Based on the 13 chosen frequencies , the

simulated

**free surface**is shown in the blue line in Figure 5 to compare with thelinearised ...

Page 1076

The maximum value of this difference is about 12mm for the change of the

surface elevation from set - down to set - up for a 62mm linear incoming wave

crest . Thus , approximately 20 % increase of the

the second ...

The maximum value of this difference is about 12mm for the change of the

surface elevation from set - down to set - up for a 62mm linear incoming wave

crest . Thus , approximately 20 % increase of the

**free surface**level arises fromthe second ...

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added amplitude analysis angle applied approach ASME barge bending body boundary cable calculated coefficients combined component computed connection considered Copyright corresponding damage damping deck depth determined developed diffraction direction displacement dynamic effect element Engineering equation factor fatigue field Figure floating force FPSO free surface frequency function given heading heave height horizontal hull iceberg impact increase installation integration interaction International jacket joint length limit linear load mass maximum mean measured Mechanics method model tests mooring mooring lines motion natural nonlinear numerical obtained Offshore operation parameters performed period pile platform position possible potential predicted presented pressure problem range response riser ship shown shows simulation solution Spar stiffness stress structure surface Table tank tension tests values velocity vertical vessel wave wind