Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 253
... load increments . 3. Start equilibrium iteration loop . 4. Build up local element stiffness matrix . 5. Transform ... load vector from pressure loading and add into global external load vector . 11. Calculate element / equilibrium ...
... load increments . 3. Start equilibrium iteration loop . 4. Build up local element stiffness matrix . 5. Transform ... load vector from pressure loading and add into global external load vector . 11. Calculate element / equilibrium ...
Page 308
... load - deflection curve is called the secondary path . Real structures are " imperfect " . There are unavoidable minor irregularities in dimensions and material properties . The imperfections may trigger the new deformation pattern from ...
... load - deflection curve is called the secondary path . Real structures are " imperfect " . There are unavoidable minor irregularities in dimensions and material properties . The imperfections may trigger the new deformation pattern from ...
Page 345
... load effect value . This is illustrated in Fig . 11 for direct Based the impact load case . sensitivity analysis carried out using finite element solutions for different pipe diameters , loaded lengths and soil stiffnesses , the loading ...
... load effect value . This is illustrated in Fig . 11 for direct Based the impact load case . sensitivity analysis carried out using finite element solutions for different pipe diameters , loaded lengths and soil stiffnesses , the loading ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial behaviour bending bottom boundary layer buckling cable calculated clamp Cobia compression corrosion crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect elastic equation experimental field Figure finite element flow force coefficients free span frequency friction friction welding function hoop stress horizontal Hydraulic hydrodynamic hydrodynamic forces in-line installation irregular waves length lift coefficient lift force liquid load maximum measured mechanical method monitoring movement nodal analysis operating parameters phase pipe displacement pipe material pipeline predicted pressure procedure ratio response riser roughness SCADA scour sea bed sea floor seabed shown simulated slug soil steady current steel storm strain strain gauges stress structural submarine pipelines surface Technology temperature tion Turning Bands underwater values variation vertical vortex shedding water depth welding zone