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 27
... ensemble shown using fracture mechanics and the Finite - Element - Method ( FEM ) . Crack ensembles detected by Non - Destructive - Testing ( NDT ) in pipe- walls can be arranged in any number of ways . A step by step fracture mechanics ...
... ensemble shown using fracture mechanics and the Finite - Element - Method ( FEM ) . Crack ensembles detected by Non - Destructive - Testing ( NDT ) in pipe- walls can be arranged in any number of ways . A step by step fracture mechanics ...
Page 28
... ensemble found would be very timeconsuming and costly and there- fore not practically viable . This therefore led to the question wether any given crack ensemble found by means of NDT can be characterized by a crack of simpler geometry ...
... ensemble found would be very timeconsuming and costly and there- fore not practically viable . This therefore led to the question wether any given crack ensemble found by means of NDT can be characterized by a crack of simpler geometry ...
Page 29
... 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 surface ( a / b 0.5 ) than the ...
... 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 surface ( a / b 0.5 ) than the ...
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Common terms and phrases
actuator analysis applied assessment axial ball valve Beaufort Sea bending bifurcation break-out buckling calculations check valve circumferential Cisco field coefficient collapse corrosion crack ensembles crack tip damage deformation density distribution effect equations ESD valve Figure flow force fracture fracture mechanics free span function HAZ toughness Houston hydrodynamic ice feature ice hole ice keel ice scour increase installation layer length line pipe Lougheed Island material maximum method mode shape Offshore Mechanics Offshore Technology Conference on-bottom stability parameters partial safety factors pearlite permafrost pipe displacement pipe weight pipeline plastic plate platform predicted pressure procedure radial ratio reliability riser rupture scour hole seabed seastate shows simulated Sotberg stability design strength stress structure Submarine Pipelines subsea subsea ESD surface Table tensile tensile strength tracers tube uncertainty values variables velocity vertical wave yield strength