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 59
... response . Correlation between vertical and horizontal response . X / % , where X and σ , are maximum vertical response divided by standard deviation of first order vertical response . Horizontal first order response ( normalized ) .
... response . Correlation between vertical and horizontal response . X / % , where X and σ , are maximum vertical response divided by standard deviation of first order vertical response . Horizontal first order response ( normalized ) .
Page 107
... response is approximated by a Gram - Charlier expansion . The method is applied on a three degree - of - freedom model . The power spectrum of the response determined by the proposed method compares well with the one obtained by Monte ...
... response is approximated by a Gram - Charlier expansion . The method is applied on a three degree - of - freedom model . The power spectrum of the response determined by the proposed method compares well with the one obtained by Monte ...
Page 112
... response at the surge natural frequency . This is the slowly - varying drift response and results from the quadratic force . It can be seen that the spectra obtained by simulation and equivalent stochastic quadratization are in good ...
... response at the surge natural frequency . This is the slowly - varying drift response and results from the quadratic force . It can be seen that the spectra obtained by simulation and equivalent stochastic quadratization are in good ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART A | 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 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 vector Weibull distribution weld weldments