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 106
... damping are more tios are considered to be uncertain . For offshore structures , the damping ratios consist of two parts as being structural and hydrodynamic contributions . Uncertainties in the structural damping ratios are represented ...
... damping are more tios are considered to be uncertain . For offshore structures , the damping ratios consist of two parts as being structural and hydrodynamic contributions . Uncertainties in the structural damping ratios are represented ...
Page 181
... damping is a criti- cal quantity for the determination of the extreme response . The low frequency wind and wave parts of the response are intimately linked to the damping , and in the present case representative linear damping ...
... damping is a criti- cal quantity for the determination of the extreme response . The low frequency wind and wave parts of the response are intimately linked to the damping , and in the present case representative linear damping ...
Page 385
... Damping Matrix : RB A The damping matrix D is caused by linear wave drift damping and laminar skin friction damping . This matrix is expressed as : DL = X u 0 0 -Y - Y 0 - Ny - Ny Nonlinear Damping Vector : ( 5 ) The nonlinear damping ...
... Damping Matrix : RB A The damping matrix D is caused by linear wave drift damping and laminar skin friction damping . This matrix is expressed as : DL = X u 0 0 -Y - Y 0 - Ny - Ny Nonlinear Damping Vector : ( 5 ) The nonlinear damping ...
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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