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 10
... surface reads ; V ( z , s ) = cosh k ( z + d ) sinh kd cos ( @ s - 0 ) ; z ≤ 0 ( 14 ) Above the mean free surface , the velocity is assumed to vary linearly with Z and attain the value bV ( 0 , s ) at the exact surface , z = E ( s ) ...
... surface reads ; V ( z , s ) = cosh k ( z + d ) sinh kd cos ( @ s - 0 ) ; z ≤ 0 ( 14 ) Above the mean free surface , the velocity is assumed to vary linearly with Z and attain the value bV ( 0 , s ) at the exact surface , z = E ( s ) ...
Page 136
... Surface For a column piercing the water surface , the total wave- induced viscous force is the integral of the local drag force from the column bottom to the free water surface , which can be partitioned into two integrals . The first ...
... Surface For a column piercing the water surface , the total wave- induced viscous force is the integral of the local drag force from the column bottom to the free water surface , which can be partitioned into two integrals . The first ...
Page 225
... surface crack in a plate subjected to membrane and bending stresses have been developed by Newman and Raju ( 1981 ) based on 3 - D finite element analysis results . These solutions can be expressed as K - ( Hp + 1 - p ) SgYg ( xa / q ) ...
... surface crack in a plate subjected to membrane and bending stresses have been developed by Newman and Raju ( 1981 ) based on 3 - D finite element analysis results . These solutions can be expressed as K - ( Hp + 1 - p ) SgYg ( xa / q ) ...
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