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 107
... force is modeled by the nonlinear Morison equation drag force term . As an improvement to equivalent stochastic linearization of the drag force , an equivalent stochastic " quadratization " method is proposed , in which the drag force ...
... force is modeled by the nonlinear Morison equation drag force term . As an improvement to equivalent stochastic linearization of the drag force , an equivalent stochastic " quadratization " method is proposed , in which the drag force ...
Page 108
... force and total nonlinear viscous force acting on the hull . Note that the hydrodynamic forces are computed from the ... drag force , the drag force acting on one of the downwave columns of the TLP is considered . According to equation ...
... force and total nonlinear viscous force acting on the hull . Note that the hydrodynamic forces are computed from the ... drag force , the drag force acting on one of the downwave columns of the TLP is considered . According to equation ...
Page 139
The mean drag force in the splash zone is Nc F de = nn n = 1 νηπ ( 59 ) where Nc is the number of columns piercing out of water , Cηn is the zeroth - order coefficient vector for the local drag force acting on the nth column Eq . ( 58 ) ...
The mean drag force in the splash zone is Nc F de = nn n = 1 νηπ ( 59 ) where Nc is the number of columns piercing out of water , Cηn is the zeroth - order coefficient vector for the local drag force acting on the nth column Eq . ( 58 ) ...
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