Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 64
... reduced tension , ( 5b ) and P is the tension ; is the reduced damping and is ( 5c ) ¢ ( x ) = cosh ( \ ix ' ) - cos ( \ { X ′ ) - ơi [ sinh ( \ { x ' ) - sin ( \ ix ' ) ] ( 8 ) Values for oi and i can be found from transcendental ...
... reduced tension , ( 5b ) and P is the tension ; is the reduced damping and is ( 5c ) ¢ ( x ) = cosh ( \ ix ' ) - cos ( \ { X ′ ) - ơi [ sinh ( \ { x ' ) - sin ( \ ix ' ) ] ( 8 ) Values for oi and i can be found from transcendental ...
Page 66
... reduced velocity Ur based on the instantaneous flow velocity and use model test results where KC 0 . This approach is likely to be conserva- tive , as indicated by data from Jacobsen et al . ( 1984 ) and Sumer et al . ( 1986 ) . A ...
... reduced velocity Ur based on the instantaneous flow velocity and use model test results where KC 0 . This approach is likely to be conserva- tive , as indicated by data from Jacobsen et al . ( 1984 ) and Sumer et al . ( 1986 ) . A ...
Page 141
... reduced by up to 50 % when the waves are changed from 2D to 3D . The reductions are the largest for wave angles of ... reduced in the case of 3D wave and that this reduction was practically unaf- fected by the presence of a superimposed ...
... reduced by up to 50 % when the waves are changed from 2D to 3D . The reductions are the largest for wave angles of ... reduced in the case of 3D wave and that this reduction was practically unaf- fected by the presence of a superimposed ...
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addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld