Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 21
... relative axial motion b ( s , t ) = b ( s ) + Ab ( s , t ) = damping parameter The unknown nonlinear correction is modally decomposed : UIN = Σu ; ( s ) TN ; ( 4 ) ( j ) U1B = Σu ; ( 8 ) TB ; ( t ) ( j ) where u ; ( s ) = jth normalized ...
... relative axial motion b ( s , t ) = b ( s ) + Ab ( s , t ) = damping parameter The unknown nonlinear correction is modally decomposed : UIN = Σu ; ( s ) TN ; ( 4 ) ( j ) U1B = Σu ; ( 8 ) TB ; ( t ) ( j ) where u ; ( s ) = jth normalized ...
Page 64
... relative thickness ( Satoh et al . , 1971 ) . Schematic drawing of the relative thickness ( W / T , W ; width of softening zone , T ; wall thickness ) is shown in Fig.3 - a . Fig.3 - b shows the hardness change in HAZ with change in ...
... relative thickness ( Satoh et al . , 1971 ) . Schematic drawing of the relative thickness ( W / T , W ; width of softening zone , T ; wall thickness ) is shown in Fig.3 - a . Fig.3 - b shows the hardness change in HAZ with change in ...
Page 65
... relative thickness ( a ; Hardness distribution and relative thickness , Xt b ; Change in hardness distribution with change in base metal hardness ) a TS ; 57 3MP a W / I ; 0.15 Fig . 5 Effect of Ceq and tensile strength on relative ...
... relative thickness ( a ; Hardness distribution and relative thickness , Xt b ; Change in hardness distribution with change in base metal hardness ) a TS ; 57 3MP a W / I ; 0.15 Fig . 5 Effect of Ceq and tensile strength on relative ...
Contents
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
TimeDevelopment of Scour Induced Free Spans of Pipelines | 25 |
Copyright | |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack CTOD curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation internal J-Lay length line pipe linepipe load material maximum measured mechanical properties method microstructure nonlinear offshore pipelines operation ovalization parameters pipe material pipe wall pipeline plate pressure problem procedure propagation PUFI PWHT ratio reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength