Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 164
Mode 7 -. module in Fig . 4 . the first 14 deformational modes . A hysteretic structural damping ratio of 2 % was used as a baseline . Fluid Panel Model For the hydrodynamic analysis , an accurate representation of the wetted surface is ...
Mode 7 -. module in Fig . 4 . the first 14 deformational modes . A hysteretic structural damping ratio of 2 % was used as a baseline . Fluid Panel Model For the hydrodynamic analysis , an accurate representation of the wetted surface is ...
Page 165
Table 4 : Dry Natural Frequencies and Periods of a 2 - Module MOB Mode Number Natural Freq . ( Hz ) Natural Period ( sec ) 7 0.396 2.53 8 1.48 0.673 9 1.50 0.665 10 2.97 0.336 11 3.82 0.261 12 4.10 0.244 13 4.25 0.235 14 5.62 0.178 15 ...
Table 4 : Dry Natural Frequencies and Periods of a 2 - Module MOB Mode Number Natural Freq . ( Hz ) Natural Period ( sec ) 7 0.396 2.53 8 1.48 0.673 9 1.50 0.665 10 2.97 0.336 11 3.82 0.261 12 4.10 0.244 13 4.25 0.235 14 5.62 0.178 15 ...
Page 166
These results are consistent with resonance associated with the vertical bending mode ( Fig . 6 ) . RAOs for the axial forces in the connectors demonstrate that the resonance in vertical bending at 3.1 s can cause a large axial force ...
These results are consistent with resonance associated with the vertical bending mode ( Fig . 6 ) . RAOs for the axial forces in the connectors demonstrate that the resonance in vertical bending at 3.1 s can cause a large axial force ...
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Contents
OMAE2001OSU5019 | 93 |
OMAE2001OSU5021 | 101 |
OMAE2001OSU5022 | 111 |
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amplitude analysis angle applied arrangement assumed beam bending body bottom breakwater bridge calculated chamber coefficient compared components concept Conference considered construction deformation depth described developed device direction displacement distribution dynamic effect elastic element Engineering equation evaluate experiment experimental field Figure floating structure flow force frequency function girder horizontal hydrodynamic hydroelastic increase International irregular waves Japan layer length linear load maneuvers mass mean measured Mega-Float method mode modules mooring motion observed obtained ocean Offshore operation performance position predicted present pressure problem Proceedings ratio reduce reef region Research respectively response rigid scale ship shown shows side significant simulation spectrum submerged plate surface Table Tokyo turbine University vertical VLFS wave energy wave height wave period wind