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 60
... response distribution , which was much easier to use . Their method seems to give good results for the case of pure wave drift response , for which an exact , closed- form solution exists ( Naess , 1986a ) . Since no exact results have ...
... response distribution , which was much easier to use . Their method seems to give good results for the case of pure wave drift response , for which an exact , closed- form solution exists ( Naess , 1986a ) . Since no exact results have ...
Page 80
... RESPONSE Time History Response Analysis A general matrix description for the equation of motion of an offshore structure may be used to model for its response to time vary- ing loading , ( Wilson , 1984 ) viz [ M ] { X } + [ C ] { x } + ...
... RESPONSE Time History Response Analysis A general matrix description for the equation of motion of an offshore structure may be used to model for its response to time vary- ing loading , ( Wilson , 1984 ) viz [ M ] { X } + [ C ] { x } + ...
Page 82
... response , wo . For situations in which the level of excitation does in fact lead to loss of the primary ( alongwave ) restraint spring pair , two possibilities can arise dependent upon the level of resultant natural frequency after ...
... response , wo . For situations in which the level of excitation does in fact lead to loss of the primary ( alongwave ) restraint spring pair , two possibilities can arise dependent upon the level of resultant natural frequency after ...
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 |
Copyright | |
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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