Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 66
Stress , + P 50.0000 0.0000 -50.0000 -100.0000 -150.0000 -200.0000 -250.0000 -300.0000 -350.0000 Y X NO dy -24.2 -17.5 -10.8 -4.0 2.7 9.4 16.2 22.9 29.6 36.3 43.1 -25.6 16.7 -7.9 ww wwwwwwwwww 9.7 Fig . 12 Bending moment , KN * m So ...
Stress , + P 50.0000 0.0000 -50.0000 -100.0000 -150.0000 -200.0000 -250.0000 -300.0000 -350.0000 Y X NO dy -24.2 -17.5 -10.8 -4.0 2.7 9.4 16.2 22.9 29.6 36.3 43.1 -25.6 16.7 -7.9 ww wwwwwwwwww 9.7 Fig . 12 Bending moment , KN * m So ...
Page 67
... stress amplitude σ takes into account stress concentration due to the pipe wall defects and is calculated as follows : Ca = Ko Oca + * Olm Kd ασ = σ / ση y = 0_1 / Ou ( 22 ) ( 23 ) ( 24 ) where σa- cyclic stress intensity , σ1m- maximum ...
... stress amplitude σ takes into account stress concentration due to the pipe wall defects and is calculated as follows : Ca = Ko Oca + * Olm Kd ασ = σ / ση y = 0_1 / Ou ( 22 ) ( 23 ) ( 24 ) where σa- cyclic stress intensity , σ1m- maximum ...
Page 99
... Stress Pages - Ikland Courries Figure 10 : 14 " Steel Catenary Riser Stress Ranges - Idealized Catenaries Figure 12 Pack Stress Parge on Sted Caterary Riser Figure 12 : Peak Stress Range at a single location on the Steel Catenary Riser ...
... Stress Pages - Ikland Courries Figure 10 : 14 " Steel Catenary Riser Stress Ranges - Idealized Catenaries Figure 12 Pack Stress Parge on Sted Caterary Riser Figure 12 : Peak Stress Range at a single location on the Steel Catenary Riser ...
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Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor bundle cable calculated carrier pipe catenary coefficient collapse compressive Conference on Offshore configuration corrosion crack damping ratio deepwater defect deformation Det Norske Veritas developed diameter displacement dynamic elastic experimental failure pressures Figure finite element finite element analysis flexible pipe flowline fluid fracture freespans gauge grooves heat transfer heat transfer coefficient hummocks ice force ice load ice sheet increase installation insulation internal pressure layer length liner maximum Mechanics and Arctic method Offshore Mechanics operation parameters PETROBRAS phase pipeline pipeline system plastic predicted ratio reeling Rio de Janeiro riser system risk sagging sand scour sea ice seabed shear stress simulation soil specimens stamukhas steel strain strain gauges stress structure subsea surface temperature tension tests thermal thickness titanium values velocity water depth weld wrinkle