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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actuator analysis applied assessment axial ball valve Beaufort Sea bending bifurcation break-out buckling calculations check valve circumferential Cisco field coefficient collapse corrosion crack ensembles crack tip damage deformation density distribution effect equations ESD valve Figure flow force fracture fracture mechanics free span function HAZ toughness Houston hydrodynamic ice feature ice hole ice keel ice scour increase installation layer length line pipe Lougheed Island material maximum method mode shape Offshore Mechanics Offshore Technology Conference on-bottom stability parameters partial safety factors pearlite permafrost pipe displacement pipe weight pipeline plastic plate platform predicted pressure procedure radial ratio reliability riser rupture scour hole seabed seastate shows simulated Sotberg stability design strength stress structure Submarine Pipelines subsea subsea ESD surface Table tensile tensile strength tracers tube uncertainty values variables velocity vertical wave yield strength