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 146
... limit state We note that the dominating parameters are the tension load from vertical motion for the minimum tension limit state and Tension Depth 300 m Depth = 600 m 0.06 0.16 = = To 0.09 450 m Depth 0.07 T1 0.03 0.07 T2 0.02 0.02 0.01 ...
... limit state We note that the dominating parameters are the tension load from vertical motion for the minimum tension limit state and Tension Depth 300 m Depth = 600 m 0.06 0.16 = = To 0.09 450 m Depth 0.07 T1 0.03 0.07 T2 0.02 0.02 0.01 ...
Page 232
... limit state of offshore tubular joints is presented . Use is made of fracture mechanics methods in quantifying accumulated fatigue damage . Two of the essential steps in the analysis , namely the quantification of fatigue loading and ...
... limit state of offshore tubular joints is presented . Use is made of fracture mechanics methods in quantifying accumulated fatigue damage . Two of the essential steps in the analysis , namely the quantification of fatigue loading and ...
Page 268
... limit state functions . Some important factors to be considered are : 1 ) Mechanical properties ( i.e. yield strength and fracture toughness ) of LBZ's zones and surrounding s . [ S S , Then the limit state function in terms of the ...
... limit state functions . Some important factors to be considered are : 1 ) Mechanical properties ( i.e. yield strength and fracture toughness ) of LBZ's zones and surrounding s . [ S S , Then the limit state function in terms of the ...
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