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 137
For deck displacements larger than 4 % of the tower height significant deviations from a linear geometric stiffness formulation occur . Fig . 6 illustrates a simple representation of a compliant type structure , and the stiffnesses ...
For deck displacements larger than 4 % of the tower height significant deviations from a linear geometric stiffness formulation occur . Fig . 6 illustrates a simple representation of a compliant type structure , and the stiffnesses ...
Page 197
It can readily be noticed that the lateral stiffness upgrades after cycling . After rearranging the hysteresis curves in Fig . 5 by drawing all curves starting from the same origin , the backbone curve and the hysteresis curves at the ...
It can readily be noticed that the lateral stiffness upgrades after cycling . After rearranging the hysteresis curves in Fig . 5 by drawing all curves starting from the same origin , the backbone curve and the hysteresis curves at the ...
Page 260
60 50 = 200 * = 3020 11 P : 29600 KIOS DEL'A : 100 40 0.8 30 TOTAL STIFFNESS K , ( KIP / FT ) 20 06 10 7 ( Pcr * LVCI ) Legend TOWER WIDTH , O = 120 11 O TOWER WIOTH = 100 11 O - 10 0.21 -20 100 200 300 400 500 600 700 800 TENDON AREA ...
60 50 = 200 * = 3020 11 P : 29600 KIOS DEL'A : 100 40 0.8 30 TOTAL STIFFNESS K , ( KIP / FT ) 20 06 10 7 ( Pcr * LVCI ) Legend TOWER WIDTH , O = 120 11 O TOWER WIOTH = 100 11 O - 10 0.21 -20 100 200 300 400 500 600 700 800 TENDON AREA ...
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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 unit vane vessel wave weight wire