弹性波理论
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￥ 124.13 6.6折 ￥ 188 全新
库存3件
广东广州
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作者魏培君
出版社科学出版社
ISBN9787030740601
出版时间2022-12
装帧精装
开本16开
定价188元
货号1202792351
上书时间2024-06-10
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目录
1 Fundamentals of Elastodynamics 1
1.1 Basic Hypothesis of Elastodynamics 1
1.1.1 Continuity Hypothesis 1
1.1.2 Elasticity Hypothesis 1
1.1.3 Small Deformation Hypothesis 2
1.1.4 Homogeneous Hypothesis 2
1.1.5 Isotropic Hypothesis 2
1.1.6 Zero Initial Stress Hypothesis 3
1.2 Basic Conservation Laws of Elastodynamics 3
1.2.1 Law of Mass Conservation 3
1.2.2 Law of Conservation of Momentum 5
1.2.3 The Law of Conservation of Energy 6
1.3 Variational Principle of Elastodynamics 7
1.4 The Initial Boundary Value Problem of Elastodynamics 10
1.5 Transient and Steady-State Problems 12
2 Elastic Waves in an Infinite Medium 15
2.1 Scalar Potential and Vector Potential 15
2.2 Solution of Wave Equation 19
2.3 Properties of Plane Waves 31
2.3.1 Propagation Mode of Plane Waves 31
2.3.2 The Stress Distribution on the Wavefront 34
2.3.3 The Energy Flow Density of a Plane Wave 35
2.4 Inhomogeneous Plane Wave 51
2.5 Spectrum Analysis of Plane Wave 59
3 Reflection and Transmission of Elastic Waves at Interfaces 63
3.1 Classification of Interfaces and Plane Waves 64
3.1.1 Perfect Interface and Imperfect Interface 64
3.1.2 P Wave, S Wave and SH Wave 70
3.2 Reflection of Elastic Waves on Free Surface 73
3.2.1 Reflection of P Wave on Free Surface 73
3.2.2 Reflection of SH Waves on Free Surface 83
3.2.3 Reflection of SV Waves on Free Surface 84
3.2.4 Incident P Wave and SV Wave Simultaneously 90
3.3 Reflection and Transmission of Elastic Waves at the Interface 95
3.3.1 Reflection and Transmission of P Waves at the Interface 95
3.3.2 Reflection and Transmission of SH Waves at the Interface 103
3.3.3 Reflection and Transmission of SV Waves at the Interface 106
3.3.4 P Wave and SV Wave Incidence Simultaneously 112
3.4 Reflection and Transmission of Waves at the Periodic Corrugated Interface 128
4 Reflection and Transmission of Elastic Waves in Multilayer Media 151
4.1 Simultaneous Interface Conditions Method 151
4.2 Transfer Matrix Method 161
4.3 Stiffness Matrix Method 167
4.4 Multiple Reflection/Transmission Method 175
4.5 Super-Interface Method 179
4.6 The State Transfer Equation Method 193
4.7 Bloch Waves in Periodic Layered Structures207
5 Surface Wave and Interface Wave 225
5.1 P-type Surface Waves and SY-Type Surface Waves 225
5.2 Rayleigh Wave 228
5.2.1 Rayleigh Wave’s Wave Function 228
5.2.2 Rayleigh Equation 231
5.2.3 The Displacement Field of the Ryleigh Wave 233
5.2.4 Rayleigh Wave in Elastic Half-Space with Cover Layer 236
5.3 Love Wave 251
5.3.1 The Displacement Distribution of Love Wave 252
5.3.2 The Dispersion Equation of Love Wave 255
5.4 Stoneley Wave 258
5.4.1 Wave Function of Stoneley Wave 259
5.4.2 Stoneley Equation 262
5.5 Torsional Surface Wave 264
6 Guided Waves 283
6.1 Flexural Waves in Beams 283
6.2 Flexural Waves in Plate 299
6.3 Guided Waves in Plate (Lamb Wave) 309
6.3.1 Mixed Boundary Condition 312
6.3.2 Free Boundary Conditions 316
6.3.3 Fixed Boundary Condition 318
6.3.4 Liquid Load on Both Sides 320
6.4 Guided Waves in Cylindrical Rod 324
6.4.1 Axisymmetric Torsional Waves 326
6.4.2 Axisymmetric Compression Waves 328
6.4.3 Non-axisymmetric Guided Waves (Bending Waves) 331
6.4.4 Surface with Liquid Load 335
6.5 Waves in Cylindrical Tube 337
6.5.1 Axisymmetric Torsional Waves 337
6.5.2 Axisymmetric Compression Waves 339
6.5.3 Non-axisymmetric Waves (Bending Waves) 342
6.5.4 Inner and Outer Surfaces with Liquid Load 344
6.6 Guided Waves in Spherical Shell 346
6.6.1 Inner and Outer Free Surfaces 351
6.6.2 Inner and Outer Surfaces with Liquid Loads 355
References 359
内容摘要
复杂介质中的弹性波理论在地球物理勘探、结构和材料无损检测以及医学超声成像等领域具有广泛应用。但系统介绍弹性波传播理论的著作并不多见。本书系统介绍了各向同性弹性固体介质中弹性波传播的基本理论，包括无限大固体介质中的弹性波传播；弹性波在界面处的反射和透射；弹性波通过有限厚度层状结构的反射和透射；半无限大体表面或覆盖层中传播的瑞利波和乐夫波；平板中的导波和漏波；圆柱杆中导波；对圆柱壳和圆球壳中的导波传播模式和传播特性也进行了介绍。关于弹性波散射和多重散射的相关内容，基于篇幅考虑没有纳入。作者长期给研究生讲授弹性波理论，同时进行复杂介质中弹性波传播及其应用研究。本书是作者在弹性波理论课程讲义基础上，结合自己科研工作编写而成。全书共分6章，侧重基础理论和分析方法的系统性。
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