Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 105
... Mass matrix : The uncertainty modelling of the system mass matrix is similar to that of the system stiffness matrix in general . The mass matrix contains uncertainties that arise mainly from added masses due to structure - water ...
... Mass matrix : The uncertainty modelling of the system mass matrix is similar to that of the system stiffness matrix in general . The mass matrix contains uncertainties that arise mainly from added masses due to structure - water ...
Page 110
... Added Masses N 0.9 0.10 0.90 0.000 0.90 0.001 Old Mass of the Deck N 1.0 0.10 1.00 0.845 1.05 9.880 OLE Damping ratios LN 1.0 0.40 1.00 0.456 0.86 1.619 an Sea Spectrum ( P.M. ) LN 0.0081 0.15 0.0081 0.627 0.0085 0.929 αD Drag force ...
... Added Masses N 0.9 0.10 0.90 0.000 0.90 0.001 Old Mass of the Deck N 1.0 0.10 1.00 0.845 1.05 9.880 OLE Damping ratios LN 1.0 0.40 1.00 0.456 0.86 1.619 an Sea Spectrum ( P.M. ) LN 0.0081 0.15 0.0081 0.627 0.0085 0.929 αD Drag force ...
Page 384
... added mass for frequencies approaching zero can be used . The various matrices occurring on the left hand side of ... Mass Matrix M is the mass matrix including added mass , expressed as : power system wind environmental wave forces GPS ...
... added mass for frequencies approaching zero can be used . The various matrices occurring on the left hand side of ... Mass Matrix M is the mass matrix including added mass , expressed as : power system wind environmental wave forces GPS ...
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amplitude applied approach Arctic Engineering assessment Bay of Campeche calculated coefficient components Conference on Offshore considered corrosion cost crack growth criteria damage deck defect distribution dynamic effect element equation estimate evaluated evidential reasoning approach factor fatigue Figure FPSO frequency function fuzzy given Guedes Soares hydrostatic test inspection planning installation jack-up linear maintenance marine maximum Mechanics and Arctic method monopod nonlinear North West Shelf obtained Offshore Mechanics offshore structures operations optimal parameters peak pipe pipeline prediction probabilistic probability density probability density function probability of failure procedure random variables reliability analysis reliability index response return period Rio de Janeiro riser risk risk based inspection safety seismic ship significant wave height simulation spectral spectrum statistical steel storm stress structural reliability subsea surface Table temperature theory ultimate strength uncertainty valves velocity water depth Weibull distribution wind