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Active and Passive Vibration Damping
Amr M. Baz (Author)
9781118481929, Wiley
Hardback, published 4 January 2019
752 pages
24.6 x 17 x 4.6 cm, 1.452 kg
A guide to the application of viscoelastic damping materials to control vibration and noise of structures, machinery, and vehicles Active and Passive Vibration Damping is a practical guide to the application of passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles. The author — a noted expert on the topic — presents the basic principles and reviews the potential applications of passive and active vibration damping technologies. The text presents a combination of the associated physical fundamentals, governing theories and the optimal design strategies of various configurations of vibration damping treatments. The text presents the basics of various damping effective treatments such as constrained layers, shunted piezoelectric treatments, electromagnetic and shape memory fibers. Classical and new models are included as well as aspects of viscoelastic materials models that are analyzed from the experimental characterization of the material coefficients as well as their modeling. The use of smart materials to augment the vibration damping of passive treatments is pursued in depth throughout the book. This vital guide: Written for researchers in vibration damping and research, engineers in structural dynamics and practicing engineers, Active and Passive Vibration Damping offers a hands-on resource for applying passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles.
Preface xvii Part I Fundamentals of Viscoelastic Damping 1 1 Vibration Damping 3 2 Viscoelastic Damping 11 3 Characterization of the Properties of Viscoelastic Materials 57 4 Viscoelastic Materials 127 5 Finite Element Modeling of Viscoelastic Damping by Modal Strain Energy Method 205 6 Energy Dissipation in Damping Treatments 243 Part II Advanced Damping Treatments 301 7 Vibration Damping of Structures Using Active Constrained Layer Damping 303 8 Advanced Damping Treatments 361 9 Vibration Damping with Shunted Piezoelectric Networks 469 10 Vibration Control with Periodic Structures 523 11 Nanoparticle Damping Composites 589 12 Power Flow in Damped Structures 651 References 682
List of Symbols xxi
Abbreviations xxxi
1.1 Overview 3
1.2 Passive, Active, and Hybrid Vibration Control 3
1.3 Summary 9
2.1 Introduction 11
2.2 Classical Models of Viscoelastic Materials 11
2.3 Creep Compliance and Relaxation Modulus 20
2.4 Characteristics of the VEM in the Frequency Domain 25
2.5 Hysteresis and Energy Dissipation Characteristics of Viscoelastic Materials 27
2.6 Fractional Derivative Models of Viscoelastic Materials 32
2.7 Viscoelastic versus Other Types of Damping Mechanisms 38
2.8 Summary 40
3.1 Introduction 57
3.2 Typical Behavior of Viscoelastic Materials 57
3.3 Frequency Domain Measurement Techniques of the Dynamic Properties of Viscoelastic Material 59
3.4 Master Curves of Viscoelastic Materials 68
3.5 Time-Domain Measurement Techniques of the Dynamic Properties of Viscoelastic Materials 72
3.6 Summary 115
4.1 Introduction 127
4.2 Golla–Hughes–McTavish (GHM) Model 127
4.3 Structural Finite Element Models of Beams Treated with VEM 150
4.4 Generalized Maxwell Model (GMM) 155
4.5 Augmenting Thermodynamic Field (ATF) Model 163
4.6 Fractional Derivative (FD) Models 167
4.7 Finite Element Modeling of Plates Treated with Passive Constrained Layer Damping 176
4.8 Finite Element Modeling of Shells Treated with Passive Constrained Layer Damping 185
4.9 Summary 192
5.1 Introduction 205
5.2 Modal Strain Energy (MSE) Method 205
5.3 Modified Modal Strain Energy (MSE) Methods 210
5.4 Summary of Modal Strain Energy Methods 215
5.5 Modal Strain Energy as a Metric for Design of Damping Treatments 215
5.6 Perforated Damping Treatments 220
5.7 Summary 234
6.1 Introduction 243
6.2 Passive Damping Treatments of Rods 243
6.3 Active Constrained Layer Damping Treatments of Rods 251
6.4 Passive Constrained Layer Damping Treatments of Beams 257
6.5 Active Constrained Layer Damping Treatments of Beams 264
6.6 Passive and Active Constrained Layer Damping Treatments of Plates 267
6.7 Passive and Active Constrained Layer Damping Treatments of Axi-Symmetric Shells 274
6.8 Summary 288
7.1 Introduction 303
7.2 Motivation for Using Passive and Active Constrained Layer Damping 303
7.3 Active Constrained Layer Damping for Beams 316
7.4 Active Constrained Layer Damping for Plates 336
7.5 Active Constrained Layer Damping for Shells 344
7.6 Summary 348
8.1 Introduction 361
8.2 Stand-Off Damping Treatments 362
8.3 Functionally Graded Damping Treatments 375
8.4 Passive and Active Damping Composite Treatments 390
8.5 Magnetic Damping Treatments 410
8.6 Negative Stiffness Composites 430
8.7 Summary 445
9.1 Introduction 469
9.2 Shunted Piezoelectric Patches 469
9.3 Finite Element Modeling of Structures Treated with Shunted Piezo-Networks 487
9.4 Active Shunted Piezoelectric Networks 496
9.5 Multi-Mode Vibration Control with Shunted Piezoelectric Networks 504
9.6 Summary 510
10.1 Introduction 523
10.2 Basics of Periodic Structures 524
10.3 Filtering Characteristics of Passive Periodic Structures 533
10.4 Natural Frequencies, Mode Shapes, and Response of Periodic Structures 535
10.5 Active Periodic Structures 541
10.6 Localization Characteristics of Passive and Active Aperiodic Structures 549
10.7 Periodic Rod with Periodic Shunted Piezoelectric Patches 559
10.8 Two-Dimensional Active Periodic Structure 562
10.9 Periodic Structures with Internal Resonances 569
10.10 Summary 578
11.1 Introduction 589
11.2 Nanoparticle-Filled Polymer Composites 590
11.3 Comparisons with Classical Filler Reinforcement Methods 607
11.4 Applications of Carbon Black/Polymer Composites 614
11.5 CB/Polymer Composite as a Shunting Resistance of Piezoelectric Layers 620
11.6 Hybrid Composites with Shunted Piezoelectric Particles 629
11.7 Summary 636
12.1 Introduction 651
12.2 Vibrational Power 651
12.3 Vibrational Power Flow in Beams 656
12.4 Vibrational Power of Plates 661
12.5 Power Flow and Structural Intensity for Shells 679
12.6 Summary 682
Glossary 699
Appendix 703
Index 715
Subject Areas: Mechanical engineering & materials [TG]
