Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
From inside the book
Results 1-3 of 36
Page 141
... Seabed The seabed is modelled as a rigid surface but with a softened surface contact behavior allowing for elasto - plastic seabed deformation . This allows the pipe to embed slightly , and while being more realistic also helps to avoid ...
... Seabed The seabed is modelled as a rigid surface but with a softened surface contact behavior allowing for elasto - plastic seabed deformation . This allows the pipe to embed slightly , and while being more realistic also helps to avoid ...
Page 182
... seabed level . After this point , the turbulence intensity and scour rate around the pipe decline rapidly as the flow inside the scour hole is significantly weakened by the pipe . The flow within the scour pit is extremely weak when the ...
... seabed level . After this point , the turbulence intensity and scour rate around the pipe decline rapidly as the flow inside the scour hole is significantly weakened by the pipe . The flow within the scour pit is extremely weak when the ...
Page 196
... seabed must be frequently in motion , and not just under extreme design conditions . Different formulae for the onset of seabed motion would obviously give slightly different numbers , but the conclusion is robust , in the sense that no ...
... seabed must be frequently in motion , and not just under extreme design conditions . Different formulae for the onset of seabed motion would obviously give slightly different numbers , but the conclusion is robust , in the sense that no ...
Other editions - View all
Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor 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