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 137
... wave conditions and it is found that there is a substantial reduction in the movements under 3D waves compared to the corresponding 2D wave case . The wave direc- tion was either perpendicular to the pipe axis or had an angle of ...
... wave conditions and it is found that there is a substantial reduction in the movements under 3D waves compared to the corresponding 2D wave case . The wave direc- tion was either perpendicular to the pipe axis or had an angle of ...
Page 139
... wave elevations and bottom velocities were measured simultaneously . The stations were at the following x ... Wave and Current Situations In principle , one well - defined irregular wave train was used for each class of tests only ...
... wave elevations and bottom velocities were measured simultaneously . The stations were at the following x ... Wave and Current Situations In principle , one well - defined irregular wave train was used for each class of tests only ...
Page 141
... waves are changed from 2D to 3D . The reductions are the largest for wave angles of 90 ' thus indicating that the three - dimensional wave effects are less pro- nounced under oblique waves . Figs . 9 and 10 show the mean- and rms values ...
... waves are changed from 2D to 3D . The reductions are the largest for wave angles of 90 ' thus indicating that the three - dimensional wave effects are less pro- nounced under oblique waves . Figs . 9 and 10 show the mean- and rms values ...
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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