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 29
... shown here for the " one step " ensemble which was found to be the most critical . In the figures showing the displacement plots of the crack ensembles investigated the left or upper crack tip is always placed closer to the next free ...
... shown here for the " one step " ensemble which was found to be the most critical . In the figures showing the displacement plots of the crack ensembles investigated the left or upper crack tip is always placed closer to the next free ...
Page 39
... shown in these figures were found to occur soon after the first appear- ance of ripples , like the ones shown in Fig . 3a , on the side of the tube experiencing compression . In most cases the curvature difference between the two events ...
... shown in these figures were found to occur soon after the first appear- ance of ripples , like the ones shown in Fig . 3a , on the side of the tube experiencing compression . In most cases the curvature difference between the two events ...
Page 149
... shown in Figures 8 and 9 for two different pipeline sections . Fifteen points are shown in Figure 8 and seventeen points in Figure 9. These figures only show the extreme values ; the remaining points are less than 1 ft or equal to zero ...
... shown in Figures 8 and 9 for two different pipeline sections . Fifteen points are shown in Figure 8 and seventeen points in Figure 9. These figures only show the extreme values ; the remaining points are less than 1 ft or equal to zero ...
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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