Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 16
... Wave Conditions . Extreme wave heights for the Gulf of Mexico ( GOM ) and extreme signifi- cant wave height for the North Sea ( NS ) are both fitted Extreme I ( Gumbel ) distributions ( section 4 ) . The wave energy content in each ...
... Wave Conditions . Extreme wave heights for the Gulf of Mexico ( GOM ) and extreme signifi- cant wave height for the North Sea ( NS ) are both fitted Extreme I ( Gumbel ) distributions ( section 4 ) . The wave energy content in each ...
Page 18
... wave heights ( BHm ) is described acceptably by a Lognormal distribution with a mean value and a standard deviation equal to 0.85 and 0.20 , respectively . The wave height hindcast reliability associated with the second model also was ...
... wave heights ( BHm ) is described acceptably by a Lognormal distribution with a mean value and a standard deviation equal to 0.85 and 0.20 , respectively . The wave height hindcast reliability associated with the second model also was ...
Page 310
... wave direction a the significant wave height H , the mean zero up crossing wave period T2 the mean wind direction ẞ · the mean wind velocity Vw · · the mean current direction the mean current velocity Vc . A common assumption about sea ...
... wave direction a the significant wave height H , the mean zero up crossing wave period T2 the mean wind direction ẞ · the mean wind velocity Vw · · the mean current direction the mean current velocity Vc . A common assumption about sea ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART | 19 |
Fatigue Loading | 33 |
Copyright | |
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analysis applied approach approximately assessment assumed average basic calculated coefficient component computed considered constant corresponding cost crack growth curve cycles damage defect density depends depth derived described determined developed deviation distribution drag effects Engineering equation equivalent estimated evaluated example expected extreme factor failure failure probability fatigue Figure force fracture frequency function geometry given important included increase indicated initial inspection integration joints limit linear load Lognormal material maximum mean measured mechanics method normal obtained offshore structures operation parameters performed period platform predicted present pressure probabilistic probability procedure random variable range ratio reference relative reliability represent requirements respectively response risk safety shown shows significant simulation standard statistical storm strength stress structure surface Table tension tether tubular uncertainty variables variation wave wave height weld