Structural Health Monitoring with Piezoelectric Wafer Active Sensors



1 Introduction 1.1 Structural Health Monitoring Principles and Concepts, 1

1.2 Structural Fracture and Failure, 3

1.3 Improved Diagnosis and Prognosis Through Structural

Health Monitoring, 7

1.4 About this Book, 10

2 Electroactive and Magnetoactive Materials 2.1 Introduction, 13

2.2 Piezoelectricity, 14

2.3 Piezoelectric Phenomena, 21

2.4 Perovskite Ceramics, 23

2.5 Piezopolymers, 32

2.6 Magnetostrictive Materials, 34

2.7 Summary and Conclusions, 36

2.8 Problems and Exercises, 37

3 Vibration of Solids and Structures 3.1 Introduction, 39

3.2 Single Degree of Freedom Vibration Analysis, 39

3.3 Vibration of Continuous Systems, 64

3.4 Summary and Conclusions, 98

3.5 Problems and Exercises, 98

4 Vibration of Plates 4.1 Elasticity Equations for Plate Vibration, 101

4.2 Axial Vibration of Rectangular Plates, 101

4.3 Axial Vibration of Circular Plates, 104

4.4 Flexural Vibration of Rectangular Plates, 110

4.5 Flexural Vibration of Circular Plates, 117

4.6 Problems and Exercises, 128


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