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 152
... Figure 1 . 50N 45N 40N Brest x X .X : X La Coruna X X Lissabon + forecast X hindcast a " storm model " , whose basic principle is illustrated in Figure 3. Regions in time and space with high values of H are represented as storms that ...
... Figure 1 . 50N 45N 40N Brest x X .X : X La Coruna X X Lissabon + forecast X hindcast a " storm model " , whose basic principle is illustrated in Figure 3. Regions in time and space with high values of H are represented as storms that ...
Page 166
... figure 7 . They indicate that an averaging period of half an hour or more gives good estimates for Mo. A one half hour initial averaging period is therefore acceptable . The data sampling and averaging procedure used by our subsidence ...
... figure 7 . They indicate that an averaging period of half an hour or more gives good estimates for Mo. A one half hour initial averaging period is therefore acceptable . The data sampling and averaging procedure used by our subsidence ...
Page 188
... Figure - 6 : Deterministic curves seperating the two modes of failure Reliability index 3 2 1 . 0 . 105 Resistance Type of Auther ( mm ) ཟླ | - 2aR e at2 x 106 cycles daN / mm Failure 16 0,438 0,398 6,70 Root 32 0,438 0,398 5,00 Root 16 ...
... Figure - 6 : Deterministic curves seperating the two modes of failure Reliability index 3 2 1 . 0 . 105 Resistance Type of Auther ( mm ) ཟླ | - 2aR e at2 x 106 cycles daN / mm Failure 16 0,438 0,398 6,70 Root 32 0,438 0,398 5,00 Root 16 ...
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