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 131
... distribution and density func- tion of the pipeline displacement are illustrated in Figures 1-5 , together with fitted distributions . The figures illustrate the spreading of maximum pipeline displacement during a sea state of 3 hours ...
... distribution and density func- tion of the pipeline displacement are illustrated in Figures 1-5 , together with fitted distributions . The figures illustrate the spreading of maximum pipeline displacement during a sea state of 3 hours ...
Page 149
... distribution function provides the best correlation . The parameters for the theoret- ical distribution functions given in Figures 8 and 9 were determined using the maximum likelihood method . The lognormal distribution function is ...
... distribution function provides the best correlation . The parameters for the theoret- ical distribution functions given in Figures 8 and 9 were determined using the maximum likelihood method . The lognormal distribution function is ...
Page 175
... distribution and P is the probability of failure - free operation that is taken from statistical data on pipeline failures . The laws of Pm and P. distribution are chosen according to the following idea . The input load in the pipeline ...
... distribution and P is the probability of failure - free operation that is taken from statistical data on pipeline failures . The laws of Pm and P. distribution are chosen according to the following idea . The input load in the pipeline ...
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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