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 133
... drag loads are fairly well established . Recently , the treatment of drag forces has been extended to include frame - invariant biplanar linearization . In this paper , a new method is proposed for the expansion of nonlinear drag forces ...
... drag loads are fairly well established . Recently , the treatment of drag forces has been extended to include frame - invariant biplanar linearization . In this paper , a new method is proposed for the expansion of nonlinear drag forces ...
Page 136
... drag force on a cylindrical element has the same general form as Eq . ( 6 ) which describes the drag force on rectangular elements . However , the off - diagonal entries in the coefficient matrices given in Eqs . ( 31 ) and ( 32 ) ...
... drag force on a cylindrical element has the same general form as Eq . ( 6 ) which describes the drag force on rectangular elements . However , the off - diagonal entries in the coefficient matrices given in Eqs . ( 31 ) and ( 32 ) ...
Page 139
The mean drag force in the splash zone is F de = Nc n = 1 [ 0 ] Tn Clo ) ( Cvnn ) , nn ( 59 ) where Ne is the number of columns piercing out of water , Cηn is the zeroth - order coefficient vector for the local drag force acting on the ...
The mean drag force in the splash zone is F de = Nc n = 1 [ 0 ] Tn Clo ) ( Cvnn ) , nn ( 59 ) where Ne is the number of columns piercing out of water , Cηn is the zeroth - order coefficient vector for the local drag force acting on the ...
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