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 139
... displacement increment X. ( A2 ) ( a21 + a。A + 2 ) x = t + Atg ( A9 ) t + Atx = modal displacement vector at time t + At Transform ( 1 ) to modal coordinates : t + Atÿ ( i ) + At + At X ( i ) + ØT IKØ Ax ( i ) = ØT ( t + AtR ( i ) . t ...
... displacement increment X. ( A2 ) ( a21 + a。A + 2 ) x = t + Atg ( A9 ) t + Atx = modal displacement vector at time t + At Transform ( 1 ) to modal coordinates : t + Atÿ ( i ) + At + At X ( i ) + ØT IKØ Ax ( i ) = ØT ( t + AtR ( i ) . t ...
Page 297
... displacement effects ) . Relative velocity effects were included . For splash zone kinematics , several stretching ... displacement response . It demonstrates that the steady state response is attained fairly quickly and the platform ...
... displacement effects ) . Relative velocity effects were included . For splash zone kinematics , several stretching ... displacement response . It demonstrates that the steady state response is attained fairly quickly and the platform ...
Page 301
X - DECK DISPLACEMENT ( FT ) x 10 .. X - DECK DISPLACEMENT ( FT ) VERTICAL DISPLACEMENT ( FT ) x TENDON TENSION ( KIPS ) x 10.⚫ 3 VERT . DECK RESPONSE ( FT2 - SEC ) x 10 .. : 1 E TENDON TENSION ( KIPS ) x 10 .. : N -0.0 -12.0 : -15.0 X ...
X - DECK DISPLACEMENT ( FT ) x 10 .. X - DECK DISPLACEMENT ( FT ) VERTICAL DISPLACEMENT ( FT ) x TENDON TENSION ( KIPS ) x 10.⚫ 3 VERT . DECK RESPONSE ( FT2 - SEC ) x 10 .. : 1 E TENDON TENSION ( KIPS ) x 10 .. : N -0.0 -12.0 : -15.0 X ...
Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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analysis anchor applied bending calculations components Conference connected considerable considered construction cost curve damage depth determined direction displacement distribution drilling dynamic effect element energy Engineering equation equipment excitation fatigue field Figure fixed flexible floating flow forces frequency function geometry included increase inspection installation International joint length limit linear load lower mass matrix maximum mean measured Mechanics method mode model tests mooring mooring system motion obtained Offshore operating parameters performance period phase pile pipe pipeline platform position presented pressure production ratio response riser RPIT shear shown shows significant soil static stiffness strength stress structure surface Table technique Technology tension tool tower turbine vessel wave weight