## 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 66

( 2D ) ] - e- " * , ( 2 ) where m * is the level of the steady - state ( still water conditions ) margin of safety Ms , D , is the variance of the process Z ( t ) of the wave - induced

( 2D ) ] - e- " * , ( 2 ) where m * is the level of the steady - state ( still water conditions ) margin of safety Ms , D , is the variance of the process Z ( t ) of the wave - induced

**vertical**motions of the ship's bottom , and n is ...Page 67

S S ( 7 ) m = 12D , [ Inn – In ( - In P. ) ] As this formula shows , the required UKC in rough seas is affected primarily by the variance D , of

S S ( 7 ) m = 12D , [ Inn – In ( - In P. ) ] As this formula shows , the required UKC in rough seas is affected primarily by the variance D , of

**vertical**ship motions . The plots in Fig . 1 illustrate the effect of the number n of ...Page 273

These results indicate clearly that the dominant peak horizontal and the

These results indicate clearly that the dominant peak horizontal and the

**vertical**foundation motions of platforms at the Bay of Campeche are associated with the type II earthquake source . For a period range from 0.4 s to 1 s ...### 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 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