目录 Chapter 1 Introduction 1.1 Background and significance 1.2 Overview of research status 1.2.1 Externally pressurized spherical shells 1.2.2 Externally pressurized untypical shells 1.2.3 Externally pressurized domed heads 1.2.4 Shell buckling research approaches 1.2.5 Externally pressurized multi-segment shells 1.3 Problems and solution 1.4 Structure of the monograph References Chapter 2 Buckling of deep sea spherical pressure hulls 2.1 Buckling analysis of geometrically perfect and imperfect hulls 2.1.1 Geometry and material 2.1.2 Buckling of geometrically perfect hulls 2.1.3 Buckling of geometrically imperfect hulls 2.2 Effect of yield strength on the buckling of hulls 2.2.1 Perfect geometry analysis 2.2.2 Imperfect geometry analysis 2.3 Experimental methodology of spherical shells 2.3.1 Shell manufacturing and testing 2.3.2 Material properties 2.4 Buckling analysis of spherical shells 2.4.1 Experimental and analytical results 2.4.2 Comparison between experimental and numerical results ... 2.4.3 Effect of constitutive models 2.4.4 Effect of geometrical imperfections 2.5 Summary References Chapter 3 Bionic design of egg-shape pressure hulls 3.1 Geometric properties of goose eggshells 3.1.1 Size of goose eggshells 3.1.2 Surface area and volume of goose eggshells 3.1.3 Symmetry of goose eggshells 3.1.4 Shape function of goose eggshells 3.1.5 Thickness of goose eggshells 3.2 Load carrying capacities of goose eggshells 3.2.1 Experimental results of goose eggshells 3.2.2 Numerical results of goose eggshells 3.2.3 Comparison between experimental and numerical data 3.3 Configuration and size egg-shaped pressure hulls 3.4 Strength, stability, and buoyancy of egg-shaped pressure hull 3.4.1 Strength and stability of egg-shaped pressure hull 3.4.2 Uniform wall thickness analysis of egg-shaped pressure hulls 3.4.3 Non-uniform wall thickness analysis of egg-shaped pressure hulls 3.4.4 Spherical pressure hulls analysis 3.5 Analytical results of egg-shaped and spherical pressure hulls 3.6 Numerical results of egg-shaped and spherical pressure hulls 3.7 Evaluation and comparison of main properties for pressure hulls 3.8 Summary References Chapter 4 Effect of geometrical parameters on buckling of egg-shaped pressure hulls 4.1 Effect of shape index on buckling of egg-shaped pressure hulls 4.1.1 Geometry of egg-shaped pressure hulls 4.1.2 Capacity and mass of egg-shaped pressure hull 4.1.3 Numerical modeling of egg-shaped pressure hulls 4.1.4 Linear buckling of egg-shaped pressure hulls 4.1.5 Nonlinear buckling of egg-shaped pressure hulls 4.2 Effect of wall thickness on buckling of egg-shaped pressure hulls 4.2.1 Buckling of geometrically perfect egg-shaped pressure hulls 4.2.2 Buckling of geometrically imperfect egg-shaped pressure hulls 4.2.3 Comparison between egg-shaped and spherical pressure hulls 4.3 Buckling experimentation using CNC-machined egg-shaped shells 4.3.1 Experimental buckling of CNC-machined egg-shaped shells 4.3.2 Numerical buckling of CNC-machined egg-shaped shells 4.4 Buckling experimentation using rapid prototyping egg-shaped shells 4.4.1 Experimental buckling of rapid prototyping egg-shaped shells 4.4.2 Numerical buckling of rapid prototyping egg-shaped shells 4.4.3 Effects of imperfection shape and size on buckling of egg-shaped shells 4.5 Summary References Chapter 5 Enhancement of egg-shaped pressure hulls using non-uniform wall thickness 5.1 Design and fabrication of egg-shaped pressure hulls 5.1.1 Geometrical design 5.1.2 Sample fabrication 5.2 Measurement and test 5.2.1 Shape scanning of samples 5.2.2 Hydrostatic test of samples 5.2.3 Tensile tests of material 5.3 Experimental analysis of egg-shaped pressure hulls 5.4 Numerical analysis of egg-shaped pressure hulls 5.5 Summary References Chapter 6 Collapse modes and ultimate strengths of egg-shaped shells with corrosion thinning 6.1 Problem definition 6.2 Numerical analysis of egg-shaped shells with corrosion thinning 6.2.1 Collapse mechanism analysis 6.2.2 Ultimate strength analysis 6.3 Experimental analysis of egg-shaped shells with corrosion thinning 6.3.1 Fabrication and measurement of samples 6.3.2 Externally hydrostatic test of samples 6.3.3 Numerical analysis of fabricated egg-shaped shells 6.4 Summary References Chapter 7 Buckling of prolate egg-shaped domes under external pressure 7.1 Geometrical and physical properties of egg-shaped domes 7.1.1 Geometry of egg-shaped domes 7.1.2 Capacity and mass of egg-shaped domes 7.2 Manufacture, measurement and test of egg-shaped domes 7.2.1 Overview of the manufacturing process 7.2.2 Pretest measurements 7.2.3 Collapse tests 7.2.4 Parent material properties 7.3 Experimental analysis of experimental egg-shaped domes 7.4 Numerical analysis and verification of manufactured egg-shaped domes 7.5 Buckling of a perfect egg-shaped dome 7.6 Summary References Chapter 8 Buckling of multi-segment egg-shaped pressure hulls 8.1 Geometry of the multi-segment egg-shaped pressure hull 8.2 Design of rib rings 8.2.1 Analytical pre-buckling analysis of the egg-shaped pressure hull 8.2.2 Inner radii of rib rings 8.3 Numerical result and discussions 8.3.1 Pre-buckling state 8.3.2 Buckling state 8.3.3 Post-buckling state 8.3.4 Verification of numerical approach 8.4 Summary References
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