Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 15
... estimated for an idealized eight - leg jacket platform . The structure is assumed to respond statically , and wave forces due to the drag term in the Morison's equation are considered . Cumulative distribution functions of the extreme ...
... estimated for an idealized eight - leg jacket platform . The structure is assumed to respond statically , and wave forces due to the drag term in the Morison's equation are considered . Cumulative distribution functions of the extreme ...
Page 18
... estimated characteris- tic value ( un ) of 12.65 m and a scale factor ( a ) of 0.4296 . While a fit based on all data having equal weight gives a characteristic value and a scale factor equal to 10.84 m and 0.3182 , respectively . For ...
... estimated characteris- tic value ( un ) of 12.65 m and a scale factor ( a ) of 0.4296 . While a fit based on all data having equal weight gives a characteristic value and a scale factor equal to 10.84 m and 0.3182 , respectively . For ...
Page 19
... estimated the bias ( BF ) related to the extreme base shear predicted from measurement ver- sus using a single wave approach with Stoke's 5 - order wave theory . They estimated the statistical properties of this wave force calculation ...
... estimated the bias ( BF ) related to the extreme base shear predicted from measurement ver- sus using a single wave approach with Stoke's 5 - order wave theory . They estimated the statistical properties of this wave force calculation ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART | 33 |
Extreme Forces on Large AxiSymmetric Offshore Structures in Directional Seas | 49 |
Copyright | |
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amplitude applied assessment assumed axial basic variables behaviour calculated coefficient component computed considered corrosion cost crack depth crack growth rate CTOD curve defect deterministic drag force effects Engineering environmental equation estimated evaluated extreme failure mode failure probability fatigue crack growth fatigue damage fatigue failure fatigue reliability fatigue strength Figure fracture mechanics fracture toughness frequency Gaussian geometry hindcast initial inspection instability load integration limit state function linear Lognormal LRFD material maxima maximum mean value method nonlinear normal normal distribution North Sea obtained offshore structures parameters platform predicted pressure probabilistic probability density function probability distribution quadratic random variable ratio reliability analysis reliability index residual stresses response risk S-N curve safety sea-state significant wave height simulation spectral standard deviation statistical stochastic storm stress intensity factor stress range Table tension tether tubular joints variation vector weld weldments