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 129
... function . The sensitivity to the choice of distribution function is , however , evaluated by also applying a lognormal distribution . METHODS FOR SENSITIVITY ANALYSIS AND RELIABILITY CALCULATIONS Design criteria and the reliability ...
... function . The sensitivity to the choice of distribution function is , however , evaluated by also applying a lognormal distribution . METHODS FOR SENSITIVITY ANALYSIS AND RELIABILITY CALCULATIONS Design criteria and the reliability ...
Page 149
... functions tested , the lognormal 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 ...
... functions tested , the lognormal 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 ...
Page 175
... function ( probability of failu- re - free operation ) of the pipeline section in heaving soil can be expressed as : P = Pm · Po where Pm ( 10 ) m is the function of the bending mo- ment distribution and P is the probability of failure ...
... function ( probability of failu- re - free operation ) of the pipeline section in heaving soil can be expressed as : P = Pm · Po where Pm ( 10 ) m is the function of the bending mo- ment distribution and P is the probability of failure ...
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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