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Studies of Rayleigh Waves on Cylindrical Surfaces

Table of Contents第5-7页
List of Figures第7-9页
List of Tables第9-10页
Abstract第10-11页
Acknowledgements第12-13页
1 Introduction第13-19页
    1.1 Background第13-14页
    1.2 Literature review第14-17页
        1.2.1 Surface waves on curved surfaces第14-15页
        1.2.2 Laser Ultrasonic technique第15页
        1.2.3 Application of Finite Element Method in simulating acoustic field第15-16页
        1.2.4 The methods for obtaining dispersive curve第16-17页
    1.3 Contents第17-19页
2 Theoretical studies of Rayleigh waves on cylindrical surfaces第19-29页
    2.1 Problems formulation第19-23页
    2.2 Circular Rayleigh waves第23-27页
    2.3 Conclusion第27-29页
3 Simulation of the Finite Element Method on waves propagation in cylinders第29-50页
    3.1 Formulation of the finite element method第29-35页
        3.1.1 Displacement and strain-displacement transformation matrices for plane problem第30-32页
        3.1.2 The finite element formulation of plane problems in elastic solids第32-35页
    3.2 Discretization considerations第35-36页
    3.3 Central difference method to solve the finite element equation第36-37页
    3.4 Submatrix method to solve the large scale FEM problem第37-40页
    3.5 Analysis of computation results第40-46页
        3.5.1 Crack-free cylinders第40-46页
        3.5.2 Cylinders with cracks第46页
    3.6 Conclusion第46-50页
4 Experimental study on waves in cylinders第50-61页
    4.1 Experimental system第50-52页
    4.2 Experiments on crack-free cylinders第52-55页
    4.3 Experiments on surface-cracked specimens第55-59页
    4.4 Conclusion第59-61页
5 Time-frequency analysis on circular Rayleigh waves第61-68页
    5.1 PWVD theory第61-62页
    5.2 Implementation with digital signal processing第62-64页
    5.3 PWVD of the experimental data第64-67页
    5.4 Conclusion第67-68页
6 Conclusion第68-70页
Bibliography第70-73页
My publications第73页

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