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 28
... ( mode II , parallel to the applied stresses ) or radial direction ( mode I , at right angles to the applied stresses ) . Using fracture mechanics to assess each individual HIC ensemble found would be very timeconsuming and costly and ...
... ( mode II , parallel to the applied stresses ) or radial direction ( mode I , at right angles to the applied stresses ) . Using fracture mechanics to assess each individual HIC ensemble found would be very timeconsuming and costly and ...
Page 64
... Mode Shape Selection to the The solution equation ( 5 ) is assumed to be product of the mode shape and a time dependent term , as given in Equation ( 6 ) . y ' ( x ' , t ' ) = $ ( x ' ) ¥ ( t ' ) ( 3 ) where f is the vortex shedding ...
... Mode Shape Selection to the The solution equation ( 5 ) is assumed to be product of the mode shape and a time dependent term , as given in Equation ( 6 ) . y ' ( x ' , t ' ) = $ ( x ' ) ¥ ( t ' ) ( 3 ) where f is the vortex shedding ...
Page 67
... mode ported mode shape in Equation ( 7 ) . response is probably a valid assumption for a large number of spans , higher modes of vibration may also be important , particularly in computing stress ranges and fatigue damage . CONCLUSIONS ...
... mode ported mode shape in Equation ( 7 ) . response is probably a valid assumption for a large number of spans , higher modes of vibration may also be important , particularly in computing stress ranges and fatigue damage . CONCLUSIONS ...
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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