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This book contains solutions to the most typical problems of thin elastic shells buckling under conservative loads. The linear problems of bifurcation of shell equilibrium are considered using a two-dimensional theory of the Kirchhoff–Love type. The explicit approximate formulas obtained by means of the asymptotic method permit one to estimate the critical loads and find the buckling modes.
The solutions to some of the buckling problems are obtained for the first time in the form of explicit formulas. Special attention is devoted to the study of the shells of negative Gaussian curvature, the buckling of which has some specific features. The buckling modes localized near the weakest lines or points on the neutral surface are constructed, including the buckling modes localized near the weakly supported shell edge. The relations between the buckling modes and bending of the neutral surface are analyzed. Some of the applied asymptotic methods are standard; the others are new and are used for the first time in this book to study thin shell buckling. The solutions obtained in the form of simple approximate formulas complement the numerical results, and permit one to clarify the physics of buckling.
Contents:
- Equations of Thin Elastic Shell Theory
- Basic Equations of Shell Buckling
- Simple Buckling Problems
- Buckling Modes Localized Near Parallels
- Non-Homogeneous Axial Compression of Cylindrical Shells
- Buckling Modes Localized at a Points
- Semi-Momentless Buckling Modes
- Effect of Boundary Conditions on Semi-Momentless Modes
- Torsion and Bending of Cylindrical and Conic Shells
- Nearly Cylindrical and Conic Shells
- Shells of Revolution of Negative Gaussian Curvature
- Surface Bending and Shell Buckling
- Buckling Modes Localized at an Edge
- Shells of Revolution under General Stress State
Readership: Engineers designing real thin-walled structures; graduate students in civil engineering, mechanical engineering and applied mathematics; researchers in thin shell theory and its applications; mathematicians interested in asymptotic methods.
