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 65
... flow vibrations . Equation ( 10 ) shows how the cross flow vibration amplitude y'p ( x ' ) can be obtained from the model test vibration amplitude y'm ( x ' ) . Note that since the primary interest is in the response amplitude , the ...
... flow vibrations . Equation ( 10 ) shows how the cross flow vibration amplitude y'p ( x ' ) can be obtained from the model test vibration amplitude y'm ( x ' ) . Note that since the primary interest is in the response amplitude , the ...
Page 66
... flow conditions is to calculate the 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 ) ...
... flow conditions is to calculate the 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 ) ...
Page 175
... flow by time and coordinate . Hence , the Eq . ( 7 ) takes the form : R ( t , L ) = R1 ( m ) . R2 ( t ) ( 9 ) where R ( m ) is the failure flow on spatial coordinate and R2 ( t ) by time . In general , the failure flows are ...
... flow by time and coordinate . Hence , the Eq . ( 7 ) takes the form : R ( t , L ) = R1 ( m ) . R2 ( t ) ( 9 ) where R ( m ) is the failure flow on spatial coordinate and R2 ( t ) by time . In general , the failure flows are ...
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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