مقدمه ای بر مکانیک محیط های پیوسته

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نگهداری و تعمیرات NET	دینامیک و ارتعاشات	مکانیک محیط پیوسته

مقدمه ای بر مکانیک محیط های پیوسته (Introduction to Continuum Mechanics) مشتمل بر 480 صفحه، در 9 فصل، با فرمت PDF، به زبان انگلیسی، همراه با مثال ها و تمرینات متعدد به ترتیب زیر گردآوری شده است:

Chapter 1: Introduction

• Continuum Mechanics
• A Look Forward
• Summary
• Problems

Chapter 2: VECTORS AND TENSORS

• Background and Overview
• Vector Algebra
• Definition of a Vector
• Vector addition
• Multiplication of a vector by a scalar
• Linear independence of vectors
• Scalar and Vector Products
• Scalar product
• Vector product
• Triple products of vectors
• Plane Area as a Vector
• Reciprocal Basis
• Components of a vector
• General basis
• Ortho normal basis
• The Gram–Schmidt ortho normalization
• Summation Convention
• Dummy index
• Free index
• Kronecker delta
• Permutation symbol
• Transformation Law for Different Bases
• General transformation laws
• Transformation laws for orthonormal systems
• Theory of Matrices
• Definition
• Matrix Addition and Multiplication of a Matrix by a Scalar
• Matrix Transpose
• Symmetric and Skew Symmetric Matrices
• Matrix Multiplication
• Inverse and Determinant of a Matrix
• Positive-Definite and Orthogonal Matrices
• Vector Calculus
• Differentiation of a Vector with Respect to a Scalar
• .Curvilinear Coordinates
• The Fundamental Metric
• Derivative of a Scalar Function of aVector
• The Del Operator
• Divergence and Curl of a Vector
• Cylindrical and Spherical Coordinate Systems
• Gradient, Divergence, and Curl Theorems
• Tensors
• Dyads and Dyadics
• Nonion Form of a Second-Order Tensor
• Transformation of Components of a Tensor
• Higher-Order Tensors
• Tensor Calculus
• Eigenvalues and Eigenvectors
• Eigenvalue problem
• Eigenvalues and eigen vectors of a real symmetric tensor
• Spectral theorem
• Calculation of eigenvalues and eigen vectors
• Summary
• Problems

Chapter 3: KINEMATICS OF CONTINUA

• Introduction
• Descriptions of Motion
• Configurations of a Continuous Medium
• Material Description
• Spatial Description
• Displacement Field
• Analysis of Deformation
• Deformation Gradient
• Isochoric, Homogeneous, and In homogeneous Deformation
• Isochoric deformation
• Homogeneous deformation
• Nonhomogeneous deformation
• Change of Volume and Surface
• Volume change
• Area change
• Strain Measures
• Cauchy Green Deformation Tensors
• Green Lagrange Strain Tensor
• Physical Interpretation of Green–Lagrange Strain Components
• Cauchy and Euler Strain Tensors
• Transformation of Strain Components
• Invariants and Principal Values of Strains
• Infinitesimal Strain Tensor and Rotation Tensor
• Infinitesimal Strain Tensor
• Physical Interpretation of Infinitesimal Strain
• Tensor Components
• Infinitesimal Rotation Tensor
• Infinitesimal Strains in Cylindrical and Spherical
• Coordinate Systems
• Cylindrical coordinate system
• Spherical coordinate system
• Velocity Gradient and Vorticity Tensors
• Relationship Between D and ˙E
• Compatibility Equations
• Preliminary Comments
• Infinitesimal Strains
• Finite Strains
• Rigid-Body Motions and Material Objectivity
• Superposed Rigid-Body Motions
• Introduction and rigid-body transformation
• Effect on F
• Effect on C and E
• Effect on L and D
• Material Objectivity
• Observer transformation
• Objectivity of various kinematic measures
• Time rate of change in a rotating frame of reference
• Polar Decomposition Theorem
• Preliminary Comments
• Rotation and Stretch Tensors
• Objectivity of Stretch Tensors
• Summary
• Problems

Chapter 4: STRESS MEASURES

• Introduction
• Cauchy Stress Tensor and Cauchy’s Formula
• Stress Vector
• Cauchy’s Formula
• Cauchy Stress Tensor
• Transformation of Stress Components and Principal Stresses
• Transformation of Stress Components
• Invariants
• Transformation equations
• Principal Stresses and Principal Planes
• Maximum Shear Stress
• Other Stress Measures
• Preliminary Comments
• First Piola Kirchhoff Stress Tensor
• Second Piola Kirchhoff Stress Tensor
• Equilibrium Equations for Small Deformations
• Objectivity of Stress Tensors
• Cauchy Stress Tensor
• First Piola Kirchhoff Stress Tensor
• Second Piola Kirchhoff Stress Tensor
• Summary
• Problems

Chapter 5: CONSERVATION AND BALANCE LAWS

• Introduction
• Conservation of Mass
• Preliminary Discussion
• Material Time Derivative
• Vector and Integral Identities
• Vector identities
• Integral identities
• Continuity Equation in the Spatial Description
• Continuity Equation in the Material Description
• Reynolds Transport Theorem
• Balance of Linear and Angular Momentum
• Principle of Balance of Linear Momentum
• Equations of motion in the spatial description
• Equations of motion in the material description
• Spatial Equations of Motion in Cylindrical and Spherical Coordinates
• Cylindrical coordinates
• Spherical coordinates
• Principle of Balance of Angular Momentum
• Mono polar case
• Multi polar case
• Thermodynamic Principles
• Balance of Energy
• Energy equation in the spatial description
• Energy equation in the material description
• Entropy Inequality
• Homogeneous processes
• In homogeneous processes
• Conservation and Balance Equations in the Spatial Description
• Conservation and Balance Equations in the Material Description
• Closing Comments
• Problems

Chapter 6: CONSTITUTIVE EQUATIONS

• Introduction
• General Comments
• General Principles of Constitutive Theory
• Material Frame Indifference
• Restrictions Placed by the Entropy Inequality
• Elastic Materials
• Cauchy Elastic Materials
• Green-Elastic or Hyper elastic Materials
• Linearized Hyper elastic Materials: Infinitesimal Strains
• Hookean Solids
• Generalized Hooke’s Law
• Material Symmetry Planes
• Monoclinic Materials
• Orthotropic Materials
• Isotropic Materials
• Nonlinear Elastic Constitutive Relations
• Newtonian Fluids
• Ideal Fluids
• Viscous In compressible Fluids
• Generalized Newtonian Fluids
• Inelastic Fluids
• Power law model
• Carreau model
• Bingham model
• Visco elastic Constitutive Models
• Differential models
• Integral models
• Heat Transfer
• Fourier’s Heat Conduction Law
• Newton’s Law of Cooling
• Stefan–Boltzmann Law
• Constitutive Relations for Coupled Problems
• Electro magnetics
• Maxwell’s equations
• Constitutive relations
• Thermo elasticity
• Hygro thermal elasticity
• Electro elasticity
• Summary
• Problems

Chapter 7: LINEARIZED ELASTICITY

• Introduction
• Governing Equations
• Preliminary Comments
• Summary of Equations
• Strain displacement equations
• Equations of motion
• Constitutive equations
• Boundary conditions
• Compatibility conditions
• The Navier Equations
• The Beltrami Michell Equations
• Solution Methods
• Types of Problems
• Types of Solution Methods
• Examples of the Semi Inverse Method
• Stretching and Bending of Beams
• Superposition Principle
• Uniqueness of Solutions
• Clapeyron’s, Betti’s, and Maxwell’s Theorems
• Clapeyron’s Theorem
• Betti’s Reciprocity Theorem
• Maxwell’s Reciprocity Theorem
• Solution of Two-Dimensional Problems
• Plane Strain Problems
• Plane Stress Problems
• Unification of Plane Stress and Plane Strain Problems
• Airy Stress Function
• Saint Venant’s Principle
• Torsion of Cylindrical Members
• Warping function
• Prandtl’s stress function
• Methods Based on Total Potential Energy
• The Variational Operator
• The Principle of the Minimum Total Potential Energy
• Construction of the total potential energy functional
• Euler’s equations and natural boundary conditions
• Minimum property of the total potential energy functional
• Castigliano’s TheoremI
• The Ritz Method
• The variational problem
• Description of the method
• Hamilton’s Principle
• Hamilton’s Principle for a Rigid Body
• Hamilton’s Principle for a Continuum
• Summary
• Problems

Chapter 8: FLUID MECHANICS AND HEAT TRANSFER

• Governing Equations
• Preliminary Comments
• Summary of Equations
• Fluid Mechanics Problems
• Governing Equations of Viscous Fluids
• In viscid Fluid Statics
• Parallel Flow (Navier Stokes Equations)
• Problems with Negligible Convective Terms
• Energy Equation for One-Dimensional Flows
• Heat Transfer Problems
• Governing Equations
• Heat Conduction in a Cooling Fin
• Axisymmetric Heat Conduction in a Circular Cylinder
• Two Dimensional Heat Transfer
• Coupled Fluid Flow and Heat Transfer
• Summary
• Problems

Chapter 9: LINEARIZED VISCOELASTICITY

• Introduction
• Preliminary Comments
• Initial Value Problem, the Unit Impulse, and the Unit Step Function
• The Laplace Transform Method
• Spring and Dashpot Models
• Creep Compliance and Relaxation Modulus
• Maxwell Element
• Creep response
• Relaxation response
• Kelvin Voigt Element
• Creep response
• Relaxation response
• Three Element Models
• Four Element Models
• Integral Constitutive Equations
• Hereditary Integrals
• Hereditary Integrals for Deviatoric Components
• The Correspondence Principle
• Elastic and Viscoelastic Analogies
• Summary
• Problems

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