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Modelling of Engineering Materials presents the background that is necessary to understand the mathematical models that govern the mechanical response of engineering materials. The book provides the basics of continuum mechanics and helps the reader to use them to understand the development of nonlinear material response of solids and fluids used in engineering applications. A brief review of simplistic and linear models used to characterize the mechanical response of materials is presented. This is followed by a description of models that characterize the nonlinear response of solids and…mehr
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- Produktdetails
- Verlag: John Wiley & Sons
- Seitenzahl: 264
- Erscheinungstermin: 1. Juli 2014
- Englisch
- ISBN-13: 9781118919590
- Artikelnr.: 41141906
- Verlag: John Wiley & Sons
- Seitenzahl: 264
- Erscheinungstermin: 1. Juli 2014
- Englisch
- ISBN-13: 9781118919590
- Artikelnr.: 41141906
material modelling 1 1.2 Complexity of material response in engineering 2
1.3 Classification of modelling of material response 5 1.3.1 Empirical
models 6 1.3.2 Micromechanical models 7 1.3.3 Phenomenological models 8 1.4
Limitations of the continuum hypothesis 9 1.5 Focus of this book 10 Chapter
2 : Preliminary Concepts 13 2.1 Introduction 13 2.2 Coordinate frame and
system 13 2.3 Tensors 14 2.3.1 Tensors of different orders 15 2.3.2
Notations for tensors 17 2.4 Derivative operators 22 Summary 25 Exercise 25
Chapter 3 : Continuum Mechanics Concepts 29 3.1 Introduction 29 3.2
Kinematics 30 3.2.1 Transformations 34 3.2.1.1 Transformation of line
elements 34 3.2.1.2 Transformation of volume elements 35 3.2.1.3
Transformation of area elements 36 3.2.2 Important types of motions 37
3.2.2.1 Isochoric deformations 38 3.2.2.2 Rigid body motion 39 3.2.2.3
Homogeneous deformations 40 3.2.3 Decomposition of deformation gradient 40
3.2.3.1 Polar decomposition theorem 40 3.2.3.2 Stretches 42 3.2.4 Strain
measures 42 3.2.4.1 Displacements 43 3.2.4.2 Infinitismal strains 44 3.2.5
Motions 44 3.2.5.1 Velocity gradient 45 3.2.6 Relative deformation gradient
48 3.2.7 Time derivatives viewed from different coordinates 49 3.2.7.1
Co-rotational derivatives 50 3.2.7.2 Convected derivatives 52 3.3 Balance
laws 55 3.3.1 Transport theorem 56 3.3.2 Balance of mass 57 3.3.3 Balance
of linear momentum 58 3.3.4 Balance of angular momentum 62 3.3.5 Work
energy identity 63 3.3.6 Thermodynamic principles 65 3.3.6.1 First law of
thermodynamics 65 3.3.6.2 Second law of thermodynamics 67 3.3.6.3 Alternate
energy measures in thermodynamics 68 3.3.7 Referential description of
balance laws 70 3.3.7.1 Relations between variables in deformed and
undeformed configurations 70 3.3.7.2 Statement of the balance laws in
reference configuration 72 3.3.8 Indeterminate nature of the balance laws
73 3.3.9 A note on multiphase and multi-component materials 74 3.3.9.1
Chemical potential 75 3.4 Constitutive relations 75 3.4.1 Transformations
76 3.4.1.1 Euclidean transformations 76 3.4.1.2 Galilean transformations 77
3.4.2 Objectivity of mathematical quantities 77 3.4.3 Invariance of motions
and balance equations 79 3.4.4 Invariance of constitutive relations 79
3.4.4.1 Frame invariance in a thermoelastic material 81 3.4.4.2
Constitutive relations for thermoelastic materials 82 3.4.4.3 Frame
invariance and constitutive relations for a thermoviscous fluid 85 3.4.5
Frame invariance of derivatives 87 Summary 89 Exercise 90 Chapter 4 :
Linear Mechanical Models of Material Deformation 95 4.1 Introduction 95 4.2
Linear elastic solid models 96 4.2.1 Small strain assumption of linear
elasticity 98 4.2.2 Classes of elastic constants 98 4.2.2.1 General
anisotropic linear elastic solid 99 4.2.2.2 Materials with single plane of
elastic symmetry 100 4.2.2.3 Materials with two planes of elastic symmetry
100 4.2.2.4 Materials with symmetry about an axis of rotation 101 4.2.2.5
Isotropic materials 102 4.3 Linear viscous fluid models 103 4.3.1 General
anisotropic viscous fluid 104 4.3.2 Isotropic viscous fluid 105 4.4
Viscoelastic models 106 4.4.1 Useful definitions for description of
viscoelastic behaviour 107 4.4.1.1 Creep compliance and relaxation modulus
107 4.4.1.2 Phase lag, storage modulus and loss modulus 107 4.4.2
Simplistic models of viscoelasticity 110 4.4.2.1 Maxwell model 111 4.4.2.2
Kelvin-Voigt model 118 4.4.2.3 Mechanical analogs for viscoelastic models
119 4.4.3 Time temperature superposition 121 Summary 122 Exercise 122
Chapter 5: Non-linear Models for Fluids 125 5.1 Introduction 125 5.2
Non-linear response of fluids 126 5.2.1 Useful definitions for
non-Newtonian fluids 126 5.2.1.1 Steady shear 127 5.2.1.2 Normal stresses
130 5.2.1.3 Material functions in extensional flow 130 5.2.2 Classification
of different models 131 5.3 Non-linear viscous fluid models 132 5.3.1 Power
law model 134 5.3.2 Cross model 134 5.4 Non-linear viscoelastic models 135
5.4.1 Differential-type viscoelastic models 135 5.4.2 Integral -type
viscoelastic models 137 5.5 Case study: rheological behaviour of asphalt
138 5.5.1 Material description 138 5.5.2 Experimental methods 139 5.5.3
Constitutive models for asphalt 140 5.5.3.1 Non-linear viscous models 141
5.5.3.2 Linear viscoelastic models 141 5.5.3.3 Non-linear viscoelastic
models 142 Summary 147 Exercise 147 Chapter 6 : Non-linear Models for
Solids 149 6.1 Introduction 149 6.2 Non-linear elastic material response
149 6.2.1 Hyperelastic material models 151 6.2.2 Non-linear hyperelastic
models for finite deformation 152 6.2.2.1 Network models of rubber
elasticity 153 6.2.2.2 Mooney-Rivlin model for rubber elasticity 154
6.2.2.3 Ogden's model for rubber elasticity 155 6.2.2.4 Non-linear
hyperelastic models in infinitismal deformation 156 6.2.3 Cauchy elastic
models 156 6.2.3.1 First order Cauchy elastic models 157 6.2.3.2 Second
order Cauchy elastic models 158 6.2.4 Use of non-linear elastic models 158
6.3 Non-linear inelastic models 159 6.3.1 Hypo-elastic material models 160
6.4 Plasticity models 161 6.4.1 Typical response of a plastically deforming
material 163 6.4.2 Models for monotonic plastic deformation 165 6.4.3
Models for incremental plastic deformation 170 6.4.4 Material response
under cyclic loading 174 6.4.5 Generalized description of plasticity models
181 6.5 Case study of cyclic deformation of soft clayey soils 183 6.5.1
Material description 183 6.5.2 Experimental characterization 184 6.5.3
Constitutive model development for monotonic and cyclic behaviour 185 6.5.4
Comparison of model predictions with experimental results 187 Summary 189
Exercise 190 Chapter 7 : Coupled Field Response of Special Materials 193
7.1 Introduction 193 7.1.1 Field variables associated with coupled field
interactions 194 7.2 Electromechanical fields 195 7.2.1 Basic definitions
of variables associated with electric fields 195 7.2.2 Balance laws in
electricity - Maxwell's equations 196 7.2.3 Modifications to mechanical
balance laws in the presence of electric fields 197 7.2.4 General
constitutive relations associated with electromechanical fields 198 7.2.5
Linear constitutive relations associated with electromechanical fields 199
7.2.6 Biased piezoelectric (Tiersten's) model 200 7.3 Thermomechanical
fields 201 7.3.1 Response of shape memory materials 202 7.3.1.1 Response of
shape memory alloys 202 7.3.1.2 Response of shape memory polymers 203 7.3.2
Microstructural changes in shape memory materials 204 7.3.2.1
Microstructural changes associated with shape memory alloys 205 7.3.2.2
Microstructural changes associated with shape memory polymers 206 7.3.3
Constitutive modelling of shape memory materials 208 7.3.3.1 Constitutive
models for shape memory alloys 208 7.3.3.2 Constitutive models for shape
memory polymers 209 Summary 210 Exercise 210 Chapter 8 : Concluding Remarks
213 8.1 Introduction 213 8.2 Features of models summarized in this book 214
8.3 Current approaches for constitutive modelling 215 8.4 Numerical
simulation of system response using continuum models 218 8.5 Observations
on system response 220 8.6 Challenges for the future 222 Summary 232
Exercise 232 Appendix 225 Bibliography 233 Index 235
material modelling 1 1.2 Complexity of material response in engineering 2
1.3 Classification of modelling of material response 5 1.3.1 Empirical
models 6 1.3.2 Micromechanical models 7 1.3.3 Phenomenological models 8 1.4
Limitations of the continuum hypothesis 9 1.5 Focus of this book 10 Chapter
2 : Preliminary Concepts 13 2.1 Introduction 13 2.2 Coordinate frame and
system 13 2.3 Tensors 14 2.3.1 Tensors of different orders 15 2.3.2
Notations for tensors 17 2.4 Derivative operators 22 Summary 25 Exercise 25
Chapter 3 : Continuum Mechanics Concepts 29 3.1 Introduction 29 3.2
Kinematics 30 3.2.1 Transformations 34 3.2.1.1 Transformation of line
elements 34 3.2.1.2 Transformation of volume elements 35 3.2.1.3
Transformation of area elements 36 3.2.2 Important types of motions 37
3.2.2.1 Isochoric deformations 38 3.2.2.2 Rigid body motion 39 3.2.2.3
Homogeneous deformations 40 3.2.3 Decomposition of deformation gradient 40
3.2.3.1 Polar decomposition theorem 40 3.2.3.2 Stretches 42 3.2.4 Strain
measures 42 3.2.4.1 Displacements 43 3.2.4.2 Infinitismal strains 44 3.2.5
Motions 44 3.2.5.1 Velocity gradient 45 3.2.6 Relative deformation gradient
48 3.2.7 Time derivatives viewed from different coordinates 49 3.2.7.1
Co-rotational derivatives 50 3.2.7.2 Convected derivatives 52 3.3 Balance
laws 55 3.3.1 Transport theorem 56 3.3.2 Balance of mass 57 3.3.3 Balance
of linear momentum 58 3.3.4 Balance of angular momentum 62 3.3.5 Work
energy identity 63 3.3.6 Thermodynamic principles 65 3.3.6.1 First law of
thermodynamics 65 3.3.6.2 Second law of thermodynamics 67 3.3.6.3 Alternate
energy measures in thermodynamics 68 3.3.7 Referential description of
balance laws 70 3.3.7.1 Relations between variables in deformed and
undeformed configurations 70 3.3.7.2 Statement of the balance laws in
reference configuration 72 3.3.8 Indeterminate nature of the balance laws
73 3.3.9 A note on multiphase and multi-component materials 74 3.3.9.1
Chemical potential 75 3.4 Constitutive relations 75 3.4.1 Transformations
76 3.4.1.1 Euclidean transformations 76 3.4.1.2 Galilean transformations 77
3.4.2 Objectivity of mathematical quantities 77 3.4.3 Invariance of motions
and balance equations 79 3.4.4 Invariance of constitutive relations 79
3.4.4.1 Frame invariance in a thermoelastic material 81 3.4.4.2
Constitutive relations for thermoelastic materials 82 3.4.4.3 Frame
invariance and constitutive relations for a thermoviscous fluid 85 3.4.5
Frame invariance of derivatives 87 Summary 89 Exercise 90 Chapter 4 :
Linear Mechanical Models of Material Deformation 95 4.1 Introduction 95 4.2
Linear elastic solid models 96 4.2.1 Small strain assumption of linear
elasticity 98 4.2.2 Classes of elastic constants 98 4.2.2.1 General
anisotropic linear elastic solid 99 4.2.2.2 Materials with single plane of
elastic symmetry 100 4.2.2.3 Materials with two planes of elastic symmetry
100 4.2.2.4 Materials with symmetry about an axis of rotation 101 4.2.2.5
Isotropic materials 102 4.3 Linear viscous fluid models 103 4.3.1 General
anisotropic viscous fluid 104 4.3.2 Isotropic viscous fluid 105 4.4
Viscoelastic models 106 4.4.1 Useful definitions for description of
viscoelastic behaviour 107 4.4.1.1 Creep compliance and relaxation modulus
107 4.4.1.2 Phase lag, storage modulus and loss modulus 107 4.4.2
Simplistic models of viscoelasticity 110 4.4.2.1 Maxwell model 111 4.4.2.2
Kelvin-Voigt model 118 4.4.2.3 Mechanical analogs for viscoelastic models
119 4.4.3 Time temperature superposition 121 Summary 122 Exercise 122
Chapter 5: Non-linear Models for Fluids 125 5.1 Introduction 125 5.2
Non-linear response of fluids 126 5.2.1 Useful definitions for
non-Newtonian fluids 126 5.2.1.1 Steady shear 127 5.2.1.2 Normal stresses
130 5.2.1.3 Material functions in extensional flow 130 5.2.2 Classification
of different models 131 5.3 Non-linear viscous fluid models 132 5.3.1 Power
law model 134 5.3.2 Cross model 134 5.4 Non-linear viscoelastic models 135
5.4.1 Differential-type viscoelastic models 135 5.4.2 Integral -type
viscoelastic models 137 5.5 Case study: rheological behaviour of asphalt
138 5.5.1 Material description 138 5.5.2 Experimental methods 139 5.5.3
Constitutive models for asphalt 140 5.5.3.1 Non-linear viscous models 141
5.5.3.2 Linear viscoelastic models 141 5.5.3.3 Non-linear viscoelastic
models 142 Summary 147 Exercise 147 Chapter 6 : Non-linear Models for
Solids 149 6.1 Introduction 149 6.2 Non-linear elastic material response
149 6.2.1 Hyperelastic material models 151 6.2.2 Non-linear hyperelastic
models for finite deformation 152 6.2.2.1 Network models of rubber
elasticity 153 6.2.2.2 Mooney-Rivlin model for rubber elasticity 154
6.2.2.3 Ogden's model for rubber elasticity 155 6.2.2.4 Non-linear
hyperelastic models in infinitismal deformation 156 6.2.3 Cauchy elastic
models 156 6.2.3.1 First order Cauchy elastic models 157 6.2.3.2 Second
order Cauchy elastic models 158 6.2.4 Use of non-linear elastic models 158
6.3 Non-linear inelastic models 159 6.3.1 Hypo-elastic material models 160
6.4 Plasticity models 161 6.4.1 Typical response of a plastically deforming
material 163 6.4.2 Models for monotonic plastic deformation 165 6.4.3
Models for incremental plastic deformation 170 6.4.4 Material response
under cyclic loading 174 6.4.5 Generalized description of plasticity models
181 6.5 Case study of cyclic deformation of soft clayey soils 183 6.5.1
Material description 183 6.5.2 Experimental characterization 184 6.5.3
Constitutive model development for monotonic and cyclic behaviour 185 6.5.4
Comparison of model predictions with experimental results 187 Summary 189
Exercise 190 Chapter 7 : Coupled Field Response of Special Materials 193
7.1 Introduction 193 7.1.1 Field variables associated with coupled field
interactions 194 7.2 Electromechanical fields 195 7.2.1 Basic definitions
of variables associated with electric fields 195 7.2.2 Balance laws in
electricity - Maxwell's equations 196 7.2.3 Modifications to mechanical
balance laws in the presence of electric fields 197 7.2.4 General
constitutive relations associated with electromechanical fields 198 7.2.5
Linear constitutive relations associated with electromechanical fields 199
7.2.6 Biased piezoelectric (Tiersten's) model 200 7.3 Thermomechanical
fields 201 7.3.1 Response of shape memory materials 202 7.3.1.1 Response of
shape memory alloys 202 7.3.1.2 Response of shape memory polymers 203 7.3.2
Microstructural changes in shape memory materials 204 7.3.2.1
Microstructural changes associated with shape memory alloys 205 7.3.2.2
Microstructural changes associated with shape memory polymers 206 7.3.3
Constitutive modelling of shape memory materials 208 7.3.3.1 Constitutive
models for shape memory alloys 208 7.3.3.2 Constitutive models for shape
memory polymers 209 Summary 210 Exercise 210 Chapter 8 : Concluding Remarks
213 8.1 Introduction 213 8.2 Features of models summarized in this book 214
8.3 Current approaches for constitutive modelling 215 8.4 Numerical
simulation of system response using continuum models 218 8.5 Observations
on system response 220 8.6 Challenges for the future 222 Summary 232
Exercise 232 Appendix 225 Bibliography 233 Index 235