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 60
... included in the limit state function . 5.9 Response Uncertainty The response uncertainty can be considered as consisting of uncertainty in the transfer function the sea spectrum . The estimation of both vertical and horizontal responses ...
... included in the limit state function . 5.9 Response Uncertainty The response uncertainty can be considered as consisting of uncertainty in the transfer function the sea spectrum . The estimation of both vertical and horizontal responses ...
Page 144
... included in the model . The basic limit state function is given such as : g ( z ) = Σ I , Cj ( 1+ IRR ) ( 1 + IRR ) , where I , represent the income variables in year i and c , the cost variables in year j . The probability PF of not ...
... included in the model . The basic limit state function is given such as : g ( z ) = Σ I , Cj ( 1+ IRR ) ( 1 + IRR ) , where I , represent the income variables in year i and c , the cost variables in year j . The probability PF of not ...
Page 268
... included . The basic limit state function g ( z ) for brittle fracture and plastic collapse failure modes is formulated in terms of a finite set of basic variables , Z = Z1 , Z2 ... Zn i.e. material CTOD , crack depth , crack length ...
... included . The basic limit state function g ( z ) for brittle fracture and plastic collapse failure modes is formulated in terms of a finite set of basic variables , Z = Z1 , Z2 ... Zn i.e. material CTOD , crack depth , crack length ...
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