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
OFFSHORE MECHANICS | 3 |
Seabed Scour Under Pipelines | 33 |
Flow Around and Forces on a Pipeline Near a Scoured | 39 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial bending bottom clamp boundary layer buckling calculated clad pipes clamp elevation compression Conference on Offshore crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect electrode equation experimental Figure finite element finite element analysis flow force coefficients free span frequency friction function hoop stress hydrodynamic hydrodynamic forces in-line installation leak detection leak detection system length lift coefficient lift force line pipes liquid load maximum measured Mechanics and Arctic method monitoring nodal analysis Offshore Mechanics operating parameters phase pipe displacement pipeline pore predicted present pressure procedure ratio regular waves response riser roughness SCADA scour sea bed sea floor seabed shown simulated soil steady current strain strain gauges stress structural submarine pipelines surface technique temperature thickness tion two-phase flow values variation vertical vortex shedding weld metal