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Elasticity: Theory and Applications reviews the theory and applications of elasticity. The book is divided into three parts. The first part is concerned with the kinematics of continuous media; the second part focuses on the analysis of stress; and the third part considers the theory of elasticity and its applications to engineering problems. This book consists of 18 chapters; the first of which deals with the kinematics of continuous media. The basic definitions and the operations of matrix algebra are presented in the next chapter, followed by a discussion on the linear transformation of points. The study of finite and linear strains gradually introduces the reader to the tensor concept. Orthogonal curvilinear coordinates are examined in detail, along with the similarities between stress and strain. The chapters that follow cover torsion; the three-dimensional theory of linear elasticity and the requirements for the solution of elasticity problems; the method of potentials; and topics related to cylinders, disks, and spheres. This book also explores straight and curved beams; the semi-infinite elastic medium and some of its related problems; energy principles and variational methods; columns and beam-columns; and the bending of thin flat plates. The final chapter is devoted to the theory of thin shells, with emphasis on geometry and the relations between strain and displacement. This text is intended to give advanced undergraduate and graduate students sound foundations on which to build advanced courses such as mathematical elasticity, plasticity, plates and shells, and those branches of mechanics that require the analysis of strain and stress.
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Place of publication
ISBN-13
978-1-4831-5953-9 (9781483159539)
Schweitzer Classification
PrefacePart I Kinematics of Continuous Media (Displacement, Deformation, Strain) Chapter 1 Introduction to the Kinematics of Continuous Media 1-1 Formulation of the Problem 1-2 Notation Chapter 2 Review of Matrix Algebra 2-1 Introduction 2-2 Definition of a Matrix. Special Matrices 2-3 Index Notation and Summation Convention 2-4 Equality of Matrices. Addition and Subtraction 2-5 Multiplication of Matrices 2-6 Matrix Division. The Inverse Matrix Problems Chapter 3 Linear Transformation of Points 3-1 Introduction 3-2 Definitions and Elementary Operations 3-3 Conjugate and Principal Directions and Planes in a Linear Transformation 3-4 Orthogonal Transformations 3-5 Changes of Axes in a Linear Transformation 3-6 Characteristic Equations and Eigenvalues 3-7 Invariants of the Transformation Matrix in a Linear Transformation 3-8 Invariant Directions of a Linear Transformation 3-9 Antisymmetric Linear Transformations 3-10 Symmetric Transformations. Definitions and General Theorems 3-11 Principal Directions and Principal Unit Displacements of a Symmetric Transformation 3-12 Quadratic Forms 3-13 Normal and Tangential Displacements in a Symmetric Transformation. Mohr's Representation 3-14 Spherical Dilatation and Deviation in a Linear Symmetric Transformation 3-15 Geometrical Meaning of the aij'S in a Linear Symmetric Transformation 3-16 Linear Symmetric Transformation in Two Dimensions Problems Chapter 4 General Analysis of Strain in Cartesian Coordinates 4-1 Introduction 4-2 Changes in Length and Directions of Elements Initially Parallel to the Coordinate Axes 4-3 Components of the State of Strain at a Point 4-4 Geometrical Meaning of the Strain Components eij. Strain of a Line Element 4-5 Components of the State of Strain under a Change of Coordinate System 4-6 Principal Axes of Strain 4-7 Volumetric Strain 4-8 Small Strain 4-9 Linear Strain 4-10 Compatibility Relations for Linear Strains Problems Chapter 5 Cartesian Tensors 5-1 Introduction 5-2 Scalars and Vectors 5-3 Higher Rank Tensors 5-4 On Tensors and Matrices 5-5 The Kronecker Delta and the Alternating Symbol. Isotropic Tensors 5-6 Function of a Tensor. Invariants 5-7 Contraction 5-8 The Quotient Rule of Tensors Problems Chapter 6 Orthogonal Curvilinear Coordinates 6-1 Introduction 6-2 Curvilinear Coordinates 6-3 Metric Coefficients 6-4 Gradient, Divergence, Curl, and Laplacian in Orthogonal Curvilinear Coordinates 6-5 Rate of Change of the Vectors ai and of the Unit Vectors ei in an Orthogonal Curvilinear Coordinate System 6-6 The Strain Tensor in Orthogonal Curvilinear Coordinates 6-7 Strain-Displacement Relations in Orthogonal Curvilinear Coordinates 6-8 Components of the Rotation in Orthogonal Curvilinear Coordinates 6-9 Equations of Compatibility for Linear Strains in Orthogonal Curvilinear Coordinates ProblemsPart II Theory of Stress Chapter 7 Analysis of Stress 7-1 Introduction 7-2 Stress on a Plane at a Point. Notation and Sign Convention 7-3 State of Stress at a Point. The Stress Tensor 7-4 Equations of Equilibrium. Symmetry of the Stress Tensor. Boundary Conditions 7-5 Application of the Properties of Linear Symmetric Transformations to the Analysis of Stress 7-6 Stress Quadric 7-7 Further Graphical Representations of the State of Stress at a Point. Stress Ellipsoid.