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Preface xi
Introduction 1
Elementary Theory of One-Dimensional Stress Waves in Bars 7
Material Coordinate System and Spatial Coordinate System 7
Governing Equations of Longitudinal Waves in Bars in Material Coordinates 10
Characteristic Lines and the Compatibility Relationships along the Characteristic Lines 13
Elastic-Plastic Longitudinal Loading Waves in Semi-Infinite Bars 17
Linear elastic waves 17
Elastic-plastic loading waves 22
Governing Equations of Longitudinal Waves in Bars in Spatial Coordinates 26
Strong Discontinuity and Weak Discontinuity; Shock Waves and Continuous Waves 29
Conservation Conditions across Wave Front, Rankine-Hugoniot Relations 35
Dispersion Effects Induced by the Transverse Inertia 42
Torsion Waves in Cylindrical Bars 51
Interaction of Elastic Longitudinal Waves 57
Coaxial Collision of Two Elastic Bars 57
Interaction of Two Elastic Longitudinal Waves 58
Reflection of Elastic Longitudinal Waves at Fixed End and Free End 60
Coaxial Collision of Two Elastic Bars with Finite Length 62
Reflection and Transmission of Elastic Longitudinal Waves at the Interface of TwoDifferent Bars 66
Reflection and Transmission of Elastic Waves in Bars with Varying Cross Sections 69
Hopkinson Pressure Bar and Flying Piece 74
Split Hopkinson Pressure Bar 76
Dynamic Fracture Induced by Reflective Unloading Waves 87
Interaction of Elastic-Plastic Longitudinal Waves in Bars 95
Interaction of Two Longitudinal Elastic-Plastic Loading Waves in Bars 95
Head-on loading interaction of two strong-discontinuous stress waves 96
Head-on loading interaction of two weak-discontinuous stress waves 99
Reflection of Longitudinal Elastic-Plastic Loading Waves at a Fixed End 102
Governing Equations and Characteristic Lines of Unloading Waves 105
Pursuing Unloading by Strong-Discontinuous Unloading Disturbances 110
Sudden unloading of strong-discontinuous loading wave in a linear hardening bar 110
Sudden unloading of continuous loading waves in a linear hardening bar 116
Sudden unloading of centered plastic loading waves 120
Pursuing Unloading by Weak-Discontinuous Unloading Disturbances 126
Continuously unloading of centered plastic waves 128
Attenuation of shock waves in linearly hardening materials 131
Shock Wave Attenuation Due to Pursuing Unloading 135
Propagating Properties of Elastic-Plastic Boundaries in Semi-Infinite Bars 139
An analysis by the characteristic line method 139
Local linearization method 146
Head-On Unloading 148
High-Speed Impact of a Finite Bar onto a Rigid Target 153
Linear hardening bar 154
Increasingly hardening bar 161
Decreasingly hardening bar 164
General Properties of the Loading-Unloading Boundary Propagation 167
Loading boundary and unloading boundary 167
Elastic-plastic boundary as a singular interface 169
Strong-discontinuous elastic-plastic boundary 170
First order weak-discontinuous boundary 171
Second order weak-discontinuous boundary 176
Discussions on higher-than-second order weak-discontinuous boundaries 180
Higher order isolated points on elastic-plastic boundary 183
Supplementary conditions on loading boundary 190
Rigid Unloading Approximation 197
Rigid Unloading in a Semi-Infinite Bar 197
Rigid unloading in linear hardening plastic bars 197
Rigid unloading in linear elastic-linear hardening plastic bars 200
Rigid unloading in linear elastic-decreasing hardening plastic bars 202
Rigid Unloading in Finite Bars 207
Rigid Unloading Analyses for Shock Wave Propagation 212
Rigid unloading of shock wave propagating in semi-infinite bars 212
Rigid unloading of shock wave propagating in finite bars 215
One-Dimensional Visco-Elastic Waves and Elastic-Visco-Plastic Waves 219
Linear Visco-Elastic Constitutive Relationship 220
Maxwell model 222
Kelvin-Voigt model 224
Standard linear solid model 226
Stress Waves Propagating in Linear Visco-Elastic Bars 227
Longitudinal visco-elastic waves propagating in Kelvin-Voigt bars 227
Longitudinal visco-elastic waves propagating in Maxwell bars 229
Longitudinal visco-elastic waves propagating in standard linear solid bars 230
Solutions of linear visco-elastic longitudinal waves propagating in bars by the characteristics method 233
Split Hopkinson visco-elastic bar 237
Nonlinear Visco-Elastic Constitutive Relationship 246
Stress Waves Propagating in Nonlinear Visco-Elastic Bars 251
Elastic-Visco-Plastic Constitutive Relationship 255
Stress Waves Propagating in Elastic-Visco-Plastic Bars 260
One-Dimensional Strain Plane Waves 265
Governing Equations 265
One-Dimensional Strain Elastic Waves 267
Elastic-Plastic Constitutive Relationship in 1D Strain Condition 270
One Dimensional Strain Elastic-Plastic Waves 276
Influence of Reverse Yield on the Propagation of 1D Strain Elastic-Plastic Wave 279
State Equation of Solids under High Pressures 284
Shock Waves in Solids under High Pressures 292
Shock jump conditions 292
Shock adiabat 297
Interaction of Shock Waves in Solids under High Pressure 308
Plane Waves in Hydro-Elasto-Plastic Media 317
Attenuation of Shock Waves in Hydro-Elasto-Plastic Media 325
One-Dimensional Strain Elasto-Visco-Plastic Waves 333
Spherical Waves and Cylindrical Waves 337
Continuity Equation and Motion Equation 337
Elastic Spherical Waves and Cylindrical Waves 339
Elasto-Plastic Spherical Waves 347
Approximate Analysis for the Fragmentation of Spherical Shells 354
Elasto-Visco-Plastic Spherical Waves and Cylindrical Waves 357
Elastic-Plastic Waves Propagating in Flexible Strings 363
Governing Equations 364
Semi-Infinite Straight String under Abrupt Constant-Velocity Oblique Impact 372
Infinite Straight String under Abrupt Constant-Velocity Oblique Point-Impact 377
Prestretched Strings Subjected to Transverse Impact 388
Experimental investigation of wave velocity in a prestretched string 391
Experimental study on constitutive relationship of string materials 394
Determination of transverse wave velocity from longitudinal wave velocity measurements 396
Elastic-Plastic Waves Propagating in Beams under Transverse Impact (Bending Wave Theory) 399
Basic Assumptions and Governing Equations 399
Elastic Bending Waves 405
Plastic Bending Waves (Elastic-Plastic Beams) 409
Rigid-Plastic Analysis 432
Shear Failure of Beams under Transverse Impact 442
General Theory for Linear Elastic Waves 453
Linear Elastic Waves in Infinite Media 453
Oblique-Incidence, Reflection, and Transmission of Elastic Plane Waves 457
Elastic Surface Waves 467
Numerical Methods for Stress Wave Propagation 475
Characteristics Numerical Method 477
Characteristics numerical method for 1D waves 477
Characteristic surfaces numerical method for 2D waves 482
Finite Difference Method 490
Establishment of finite difference format 491
Convergence of difference formats 494
Stability of difference formats 495
Artificial viscosity 497
Finite Element Method (FEM) 500
Basic procedures of finite element method 500
Examples 503
Appendices 511
References 519
Index 529
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Add Foundations of Stress Waves, The primary objective of this work is to give the reader an understanding of stress wave behaviour while taking into account the dynamic constitutive equations of elastic-plastic solids. The author has combined a 'materials characteristics' approach with , Foundations of Stress Waves to the inventory that you are selling on WonderClubX
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Add Foundations of Stress Waves, The primary objective of this work is to give the reader an understanding of stress wave behaviour while taking into account the dynamic constitutive equations of elastic-plastic solids. The author has combined a 'materials characteristics' approach with , Foundations of Stress Waves to your collection on WonderClub |