Deepwater Flexible Risers and Pipelines. Yong Bai

      2 Chapter 2Figure 2.1 Schematic representation reference systems, initial radial displaceme...Figure 2.2 Carcass profile-principal outline.Figure 2.3 Parameterized carcass profile.Figure 2.4 Full carcass cross section imported.Figure 2.5 Carcass model geometry.Figure 2.6 Steel strain-stress relationship.Figure 2.7 Load and boundary conditions.Figure 2.8 ALLKE/ALLSE versus dimensionless load.Figure 2.9 Carcass model mesh details, cross-section, and surfaces.Figure 2.10 U1 displacements.Figure 2.11 U2 displacements.Figure 2.12 Ovality versus dimensionless load.Figure 2.13 Ovality versus load for different geometries, where dashed lines sta...Figure 2.14 Critical loads versus dimensionless diameters.Figure 2.15 Error trend.Figure 2.16 Critical load comparison for all the model established versus dimens...Figure 2.17 Results comparison for FEM and modified theoretical model.Figure 2.18 Stress-strain relationship.Figure 2.19 HDPE stress-strain relationship.

      3 Chapter 3Figure 3.1 Structure of flexible pipe.Figure 3.2 Cylindrical mathematical parameters definition.Figure 3.3 Helix mathematical parameters definition.Figure 3.4 Pressure armor cross section profile.Figure 3.5 Kinematic Coupling at RP-2.Figure 3.6 Meshing of the flexible pipe model.Figure 3.7 Kinetic energy/internal energy curve.Figure 3.8 Artificial strain energy/strain energy curve.Figure 3.9 Model of pressure armor layer.Figure 3.10 Mises stress of Z-shaped section.Figure 3.11 Pressure-maximum von Mises stress curve.Figure 3.12 Pressure-axial displacement curve.Figure 3.13 Pressure-radial displacement curve.Figure 3.14 Computer design flowchart of pipe section.

      4 Chapter 4Figure 4.1 Linear-longitudinal profile.Figure 4.2 Contact pressures between layers mechanical model of pressure armor l...Figure 4.3 Pressure armor profile-principal outline.Figure 4.4 Contact pressure and equivalent radii.Figure 4.5 Contraction and elongation for a representative pitch length of tensi...Figure 4.6 Radial loading condition of tensile armor layer.Figure 4.7 Pressure armor-parameterized cross-section (lengths in millimeters an...Figure 4.8 Pressure armor’s load and boundary conditions.Figure 4.9 Pressure armor mesh.Figure 4.10 Strain and kinetic energies against load.Figure 4.11 Pressure against radial displacements for two representative points.Figure 4.12 Steel stress-strain relationship.Figure 4.13 HDPE stress-strain relationship.Figure 4.14 Reference point at the end surfaces.Figure 4.15 Interlayered structure mesh.Figure 4.16 Strain and kinetic energies.Figure 4.17 Tensile force comparison.Figure 4.18 Mises stress of pressure armor from FEM.Figure 4.19 Points selected on the pressure armor external surface for contact p...Figure 4.20 Tensile force comparison.Figure 4.21 Contact pressure between pressure armor and inner tensile armor laye...Figure 4.22 Contact pressure between tensile armor layers.Figure 4.23 Mises stress—outer layer of wires.Figure 4.24 Strain and stress distribution for outer tensile armor layer.Figure 4.25 Mises stress comparison for inner tensile armor layer.Figure 4.26 Mises stress comparison for outer tensile armor layer.Figure 4.27 Tensile strength comparison for the pipe subjected to pure tension a...Figure 4.28 MSFP-based reinforced longitudinal profile.Figure 4.29 Tensile force comparison.

      5 Chapter 5Figure 5.1 Typical carcass profile.Figure 5.2 Typical pressure armor.Figure 5.3 Flow chart of design procedure.Figure 5.4 Mathematical parameters definition.Figure 5.5 Catenary configuration

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