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 32
... range of f / f = V / ( Lf ) > 1.5 . In the range of f / f = V / ( Lf ) ≤1.5 , there are many coupled vibration peaks each of which corresponds to an ice action frequency f / f = 1 / i ( i = 1,2,3 , ... ) . That is to say , the maximum ...
... range of f / f = V / ( Lf ) > 1.5 . In the range of f / f = V / ( Lf ) ≤1.5 , there are many coupled vibration peaks each of which corresponds to an ice action frequency f / f = 1 / i ( i = 1,2,3 , ... ) . That is to say , the maximum ...
Page 84
... range by the inhomogeneous model , but within a + 3.0 % range , by the exponential model . The deviation of data from the exponential model is doubled compared to Fig.4 . Because of the eccentric heating mode , the non - uniformity of ...
... range by the inhomogeneous model , but within a + 3.0 % range , by the exponential model . The deviation of data from the exponential model is doubled compared to Fig.4 . Because of the eccentric heating mode , the non - uniformity of ...
Page 99
Stress Range ( MPa ) Stress Range ( MPa ) REFERENCES 1. ANSYS Inc. ( 1997 ) , “ ANSYS. 8 8 39 20 D 3ranplit.de Taddwzre Sramplitude Droplitude -Wraplit.de Droplitude Droplitude Droplit.de Peak Stress Range ( MPC ) 8 2T D 5T 5 20m 30T 50m ...
Stress Range ( MPa ) Stress Range ( MPa ) REFERENCES 1. ANSYS Inc. ( 1997 ) , “ ANSYS. 8 8 39 20 D 3ranplit.de Taddwzre Sramplitude Droplitude -Wraplit.de Droplitude Droplitude Droplit.de Peak Stress Range ( MPC ) 8 2T D 5T 5 20m 30T 50m ...
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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