## 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 57

Results showed evidence of

Results showed evidence of

**oscillation**during normal operation . Under impact conditions high stress concentrations occurred around the perimeter , in the central ( saddle shaped ) INTRODUCTION In July 1988 there was a major explosion ...Page 66

For this reason , one may assume , in an approximate analysis that the effective period te of

For this reason , one may assume , in an approximate analysis that the effective period te of

**oscillations**is equal to the natural period of the ship motions in heave or pitch ( these are , typically , quite close ) .Page 68

2 ( 1 – 2 * 3 : '27 ' , Sn = ( A - 3 ) D where Dx is the variance of the ordinate X ( t ) of the

2 ( 1 – 2 * 3 : '27 ' , Sn = ( A - 3 ) D where Dx is the variance of the ordinate X ( t ) of the

**oscillations**. The most likely value Ynt of the**oscillation**amplitude can be found from the equation ...### 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 storm strength stress structure surface Table theory typical uncertainty variables wave height wind