Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 1American Society of Mechanical Engineers, 1999 - Arctic regions |
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Page 275
... modes of the MOB . We classify a normal mode as ' structural ' if a significant percent of the total potential energy associated with the normal mode comes from the connec- tors . Otherwise , it can be concluded that the mode consists ...
... modes of the MOB . We classify a normal mode as ' structural ' if a significant percent of the total potential energy associated with the normal mode comes from the connec- tors . Otherwise , it can be concluded that the mode consists ...
Page 278
Table 1 Principal characteristics of a module Table 2 Natural frequencies and modes - kdeck Upper Hull kdeck Length 280 m Breadth 152 m Mode Frequency ( rad / sec ) Description Depth 24.6 m Non - structural ; vertical , 5 0.153 Lower ...
Table 1 Principal characteristics of a module Table 2 Natural frequencies and modes - kdeck Upper Hull kdeck Length 280 m Breadth 152 m Mode Frequency ( rad / sec ) Description Depth 24.6 m Non - structural ; vertical , 5 0.153 Lower ...
Page 404
c . Mode 3 ( 306.826 Hz ) e . Mode 5 ( 521.568 Hz ) Figure 7. Dominant mode shapes of the stiffened plate It can be observed from Figure 7 that the first mode is a bending mode ( heavy transverse member dominant ) ; the second mode is a ...
c . Mode 3 ( 306.826 Hz ) e . Mode 5 ( 521.568 Hz ) Figure 7. Dominant mode shapes of the stiffened plate It can be observed from Figure 7 that the first mode is a bending mode ( heavy transverse member dominant ) ; the second mode is a ...
Contents
HYDRODYNAMIC FORCES | 1 |
OMAE99OFT4071 | 9 |
OMAE99OFT4072 | 19 |
Copyright | |
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added mass amplitude analysis applied ASME axial bending boundary conditions buoy buoyancy cable calculated Campos Basin catenary components computed Conference on Offshore configuration connector Copyright cylinder damping diameter direction discrete disk displacement distribution domain drag coefficient droplets dynamic effect equation experimental Fall angle fatigue floating flow fluid force coefficient FPSO free surface free surface effects function height horizontal hydrodynamic in-line length lift force linear load Marine maximum Mechanics and Arctic method model tests module mooring line mooring system node nonlinear obtained Offshore Mechanics oscillation parameters PETROBRAS pile platform plow polyester prediction pressure reefs relative motion response Reynolds number riser ship simulation solution spectrum spheres spray cloud spray density static stiffness surge syntactic foam Table tension tether transfer function turret umbilical cable values velocity velocity potential vertical vessel water depth wave drift wave forces wave frequency wave heading