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 33
... range approach , are developed to obtain the cumulative fatigue load effect . Suitable extensions are made to ... range threshold stress intensity factor range total number of load blocks Paris ' law constant number of cycles in a load ...
... range approach , are developed to obtain the cumulative fatigue load effect . Suitable extensions are made to ... range threshold stress intensity factor range total number of load blocks Paris ' law constant number of cycles in a load ...
Page 35
... ranges $ 1 , $ 2 , ... , SQ , ... , SL . probability density function of stress range , the probability PQ , of a stress cycle of range so occuring between so and so + ds and the number of stress cycles , no , in the 9th block out of a ...
... ranges $ 1 , $ 2 , ... , SQ , ... , SL . probability density function of stress range , the probability PQ , of a stress cycle of range so occuring between so and so + ds and the number of stress cycles , no , in the 9th block out of a ...
Page 38
... range obtained by different methods for various sea - states | -. 이용 Seq 3.0- a = 0.610 € = 0.790 2.0 B C 3.0- 이용 Seq 2.0- α = 0.869 € = 0.495 1.0 1.0 1.0 2.0 3.0 4.0 5.0 1.0 2.0 M ( b ) Sea - state 4 Seq ២ 3.0 B 2.0 α = 0.752 ...
... range obtained by different methods for various sea - states | -. 이용 Seq 3.0- a = 0.610 € = 0.790 2.0 B C 3.0- 이용 Seq 2.0- α = 0.869 € = 0.495 1.0 1.0 1.0 2.0 3.0 4.0 5.0 1.0 2.0 M ( b ) Sea - state 4 Seq ២ 3.0 B 2.0 α = 0.752 ...
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