Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 222
random limit state indicator ( safety margin ) index G index M random moment index R voyage index W random strength index Z randorn wave elevation index g stillwater index m moment index n nominal or characteristic index s seaway index ...
random limit state indicator ( safety margin ) index G index M random moment index R voyage index W random strength index Z randorn wave elevation index g stillwater index m moment index n nominal or characteristic index s seaway index ...
Page 237
... limit state and the fatigue limit state . Variability in wave induced and still water bending moments are included in the analysis . Load and material coefficients have been derived for various target reliabilities for the ultimate ...
... limit state and the fatigue limit state . Variability in wave induced and still water bending moments are included in the analysis . Load and material coefficients have been derived for various target reliabilities for the ultimate ...
Page 238
limit state function g ( z ) , which is negative or zero when failure occurs . Z is the vector of basic variables , i.e. load , resistance , stiffness and geometry variables . After a transformation of the basic variables into ...
limit state function g ( z ) , which is negative or zero when failure occurs . Z is the vector of basic variables , i.e. load , resistance , stiffness and geometry variables . After a transformation of the basic variables into ...
Contents
Spectral Modelling of Sea States With Multiple Wave Systems | 13 |
Statistical and Physical Models of Nonlinear Random Waves | 23 |
Extrapolation of Design Waves in the Gulf of Guineal | 33 |
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amplitude applied approximation assumed bending moment calculated coefficient component computed condition considered correlation corresponding crack growth crack length damage damping defined density function detected deterministic effect element Engineering equation estimated evaluation failure probability Figure fracture mechanics frequency fuzzy Gaussian given hindcast inspection integral joints limit state function linear load lognormal maintenance matrix maximum mean value method nonlinear normal normal distribution obtained offshore structures order statistics parameters partial safety factors plate platform probabilistic probability density probability density function probability of failure procedure random variables redundancy reliability analysis reliability index repair residual stresses response sample seastates shear ship shown significant wave height simulation spectra spectrum standard deviation statistical stiffness storm strength stress range structural reliability surface system reliability Table tendon tension tion transfer function uncertainty updated variation vector vector process vertical wave bending Weibull Weibull distribution welded yield stress