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 193
... intensity factor a Crack size Y ( a ) : Geometry factor N : Stress cycles G ( a ) : Ꮓ Z kcor Boor T Stress threshold factor Thickness Corrosion rate Corrosion factor Time K , S , KTotal Kmat ñ Parameters in PD 6493 Total stress intensity ...
... intensity factor a Crack size Y ( a ) : Geometry factor N : Stress cycles G ( a ) : Ꮓ Z kcor Boor T Stress threshold factor Thickness Corrosion rate Corrosion factor Time K , S , KTotal Kmat ñ Parameters in PD 6493 Total stress intensity ...
Page 195
... intensity . The stress threshold effect is modelled as a threshold factor G ( a ) equal to G ( a ) = 1-2 Edam [ Ao " ] E [ Ao " ] Eq . 8 where the numerator represents the part of the stress range distribution that does not contribute ...
... intensity . The stress threshold effect is modelled as a threshold factor G ( a ) equal to G ( a ) = 1-2 Edam [ Ao " ] E [ Ao " ] Eq . 8 where the numerator represents the part of the stress range distribution that does not contribute ...
Page 436
... intensity factor . The stress intensity factor is given by the following equation : ΔΚ = ΔΟΥ ( α ) π.α ( ι ) where Ao is the stress range and t is time . ( 2 ) In the evaluation of the dynamic stress range levels , both the global ( AM ) ...
... intensity factor . The stress intensity factor is given by the following equation : ΔΚ = ΔΟΥ ( α ) π.α ( ι ) where Ao is the stress range and t is time . ( 2 ) In the evaluation of the dynamic stress range levels , both the global ( AM ) ...
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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