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 15
... estimated for an idealized eight - leg jacket platform . The structure is assumed to respond statically , and wave forces due to the drag term in the Morison's equation are considered . Cumulative distribution functions of the extreme ...
... estimated for an idealized eight - leg jacket platform . The structure is assumed to respond statically , and wave forces due to the drag term in the Morison's equation are considered . Cumulative distribution functions of the extreme ...
Page 18
... estimated characteris- tic value ( un ) of 12.65 m and a scale factor ( a ) of 0.4296 . While a fit based on all data having equal weight gives a characteristic value and a scale factor equal to 10.84 m and 0.3182 , respectively . For ...
... estimated characteris- tic value ( un ) of 12.65 m and a scale factor ( a ) of 0.4296 . While a fit based on all data having equal weight gives a characteristic value and a scale factor equal to 10.84 m and 0.3182 , respectively . For ...
Page 19
... estimated the bias ( BF ) related to the extreme base shear predicted from measurement ver- sus using a single wave approach with Stoke's 5 - order wave theory . They estimated the statistical properties of this wave force calculation ...
... estimated the bias ( BF ) related to the extreme base shear predicted from measurement ver- sus using a single wave approach with Stoke's 5 - order wave theory . They estimated the statistical properties of this wave force calculation ...
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