## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |

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Page 103

OMAE2001 / S & R - 2118 ABSTRACT This paper presents uncertainties in the spectral fatigue

OMAE2001 / S & R - 2118 ABSTRACT This paper presents uncertainties in the spectral fatigue

**damages**of offshore structures , which are ... In the fatigue**damage**, there are additional uncertainties that related to the damagemodel used .Page 107

a continuous long - term distribution of sea states , the total

a continuous long - term distribution of sea states , the total

**damage**will be calculated from Eq . ( 1 ) . For a multi - linear S - N model , the mean**damage**for a stress cycle of a non narrow - banded stress process , E [ DD ] ...Page 108

The mean

The mean

**damage**of a narrow banded stress process , [ DD ] nb , can be calculated exactly while the calculation of the mean**damage**of a non - narrow banded stress process , ( DD ) , requires some experimental or empirical data , such as ...### What people are saying - Write a review

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acceptable analysis applied approach assessment associated assumed calculated coefficient combined components considered corresponding corrosion cost crack criteria damage dependent depth determined developed directional distribution dynamic effect element Engineering environmental equation estimate evaluated example expected expressed extreme factor failure fatigue Figure force frequency function fuzzy given important increase initial inspection limit load loss maintenance marine maximum mean measures Mechanics method motion normal observed obtained offshore operations parameters peak performed period pipe pipeline platform possible prediction present probability procedure production random range relative reliability represented response return period riser risk safety ship shown shows significant simulation spectral spectrum statistical steel storm strength stress structure surface Table theory typical uncertainty variables wave height wind