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Exact analytical solutions in some areas of solid mechanics, in particular problems in the theory of plates, have long been regarded as bottlenecks in the development of elasticity. In contrast to the traditional solution methodologies, such as Timoshenko's approach in the theory of elasticity for which the main technique is the semi-inverse method, this book presents a new approach based on the Hamiltonian principle and the symplectic duality system where solutions are derived in a rational manner in the symplectic space. Dissimilar to the conventional Euclidean space with one kind of variables, the symplectic space with dual variables thus provides a fundamental breakthrough. A unique feature of this symplectic approach is the classical bending problems in solid mechanics now become eigenvalue problems and the symplectic bending deflection solutions are constituted by expansion of eigenvectors. The classical solutions are subsets of the more general symplectic solutions.
This book explains the new solution methodology by discussing plane isotropic elasticity, multiple layered plate, anisotropic elasticity, sectorial plate and thin plate bending problems in detail. A number of existing problems without analytical solutions within the framework of classical approaches are solved analytically using this symplectic approach. Symplectic methodologies can be applied not only to problems in elasticity, but also to other solid mechanics problems. In addition, it can also be extended to various engineering mechanics and mathematical physics fields, such as vibration, wave propagation, control theory, electromagnetism and quantum mechanics.
Sample Chapter(s)
Foreword to the Chinese Edition (52 KB)
Chapter 1: Mathematical Preliminaries (353 KB)
Chapter 3: The Timoshenko Beam Theory and Its Extension (326 KB)
Chapter 5: Plane Anisotropic Elasticity Problems (243 KB)
Contents:
- Mathematical Preliminaries
- Fundamental Equations of Elasticity and Variational Principle
- The Timoshenko Beam Theory and Its Extension
- Plane Elasticity in Rectangular Coordinates
- Plane Anisotropic Elasticity Problems
- Saint-Venant Problems for Laminated Composite Plates
- Solutions for Plane Elasticity in Polar Coordinates
- Hamiltonian System for Bending of Thin Plates
Readership: Undergraduate and postgraduate students majoring in engineering mechanics or having it as an elective; researchers in solid mechanics.
