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 68
... represented as LM −Σ Z2 ( 1 ) -Σ H ; { W2 ; -1 ( 1 ) 2 + W2 , ( t ) 2 } - j - 1 ( 33 ) Here W ( t ) , j 1 , 2 , ... , 2MN are real stationary , Gaussian N ( 0,1 ) processes which can be represented as follows ( Naess , 1990a ) L M W2j ...
... represented as LM −Σ Z2 ( 1 ) -Σ H ; { W2 ; -1 ( 1 ) 2 + W2 , ( t ) 2 } - j - 1 ( 33 ) Here W ( t ) , j 1 , 2 , ... , 2MN are real stationary , Gaussian N ( 0,1 ) processes which can be represented as follows ( Naess , 1990a ) L M W2j ...
Page 92
... represented has zero mean and variance σ2 = S . In the analytical part of this study , the narrow band sea will be represented in the Stratonovich's form , by means of a couple of slowly varying amplitude sinusoidal terms . The ...
... represented has zero mean and variance σ2 = S . In the analytical part of this study , the narrow band sea will be represented in the Stratonovich's form , by means of a couple of slowly varying amplitude sinusoidal terms . The ...
Page 193
... represented by soil The upper and lower extreme cases respectively to completely clamped boundary conditions , and a reduced spring stiffness of 40 % of the original . Before indulging in the detailed analysis , it might be anticipated ...
... represented by soil The upper and lower extreme cases respectively to completely clamped boundary conditions , and a reduced spring stiffness of 40 % of the original . Before indulging in the detailed analysis , it might be anticipated ...
Contents
Occurrence of Extreme Waves With Respect to Significant Wave Height | 1 |
Spectral Modelling of Sea States With Multiple Wave Systems | 13 |
Statistical and Physical Models of Nonlinear Random Waves | 23 |
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amplitude applied approximation assumed bending bending moment calculated coefficient component computed condition considered correlation corresponding crack growth crack length crest damage damping defects defined density function design point deterministic distribution effect element Engineering equation estimated evaluation example failure probability Figueira da Foz Figure fracture mechanics frequency fuzzy Gaussian given hindcast inspection integral joints linear load lognormal maintenance matrix maximum mean value method mooring nonlinear normal normal distribution obtained offshore structures parameters partial safety factors plate platform probabilistic probability density probability density function probability of failure procedure random variables ratio redundancy reliability analysis reliability index repair residual stresses response sample seastates shear ship shown significant wave height simulation spectra spectrum standard deviation statistical stochastic Stokes storm strength stress range structural reliability surface system reliability Table tendon tion transfer function uncertainty variation vector Weibull Weibull distribution welded yield stress