Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 53
... mean tension from the test . Firstly , the total maximum offset is so high ( model test results give approx . 43.5 m ) that the model line system is significantly stiffer than the full scale line system ( see figure 3 ) . Therefore the ...
... mean tension from the test . Firstly , the total maximum offset is so high ( model test results give approx . 43.5 m ) that the model line system is significantly stiffer than the full scale line system ( see figure 3 ) . Therefore the ...
Page 263
... Mean 388 2.7 421 4.3 P - Delta , Xe = -60 S.D. 1,481 792 903 8.5 Max . 3,191 1,917 2,043 16.2 3.4 0.78 2 Regular Wave + 4.5 72 13 700 Mean 1,583 -7.7 2,399 40 Wind Current , S.D. 2,083 1,822 3,787 6 P - Delta , Xe = -60 Max . 5,793 ...
... Mean 388 2.7 421 4.3 P - Delta , Xe = -60 S.D. 1,481 792 903 8.5 Max . 3,191 1,917 2,043 16.2 3.4 0.78 2 Regular Wave + 4.5 72 13 700 Mean 1,583 -7.7 2,399 40 Wind Current , S.D. 2,083 1,822 3,787 6 P - Delta , Xe = -60 Max . 5,793 ...
Page 273
... mean upcrossing rate of mean stress level : probability density of stress amplitude ( 17 ) ( 18 ) The fatigue damage for the time period considered can then be found from a Miner summation over all sea states as : N sea D = [ D1p ( i ) ...
... mean upcrossing rate of mean stress level : probability density of stress amplitude ( 17 ) ( 18 ) The fatigue damage for the time period considered can then be found from a Miner summation over all sea states as : N sea D = [ D1p ( i ) ...
Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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analysis angle applied axial bending cable calculated characteristics coefficient components Conference connected considered construction cost curve damage depth determined diameter direction displacement distribution dynamic effect element energy Engineering equation equipment fatigue field Figure flexible flow forces frequency function geometry given important included increase installation International joint length limit linear load lower mass material matrix maximum mean measured Mechanics method mode mooring motion natural normal obtained Offshore operation parameters performance period pile pipe pipeline platform position presented pressure problem production range ratio response riser shear shown shows significant soil static stiffness strength stress structure surface Table Technology tension tower turbine vane vessel wave weight wire