Ronald J. Anderson

The Practice of Engineering Dynamics (eBook, PDF)

• Format: PDF

Produktbeschreibung

The Practice of Engineering Dynamics is a textbook that takes a systematic approach to understanding dynamic analysis of mechanical systems. It comprehensively covers dynamic analysis of systems from equilibrium states to non-linear simulations and presents frequency analysis of experimental data. It divides the practice of engineering dynamics into three parts: Part 1 - Modelling: Deriving Equations of Motion; Part 2 - Simulation: Using the Equations of Motion; and Part 3- Experimental Frequency Domain Analysis. This approach fulfils the need to be able to derive the equations governing the motion of a system, to then use the equations to provide useful design information, and finally to be able to analyze experimental data measured on dynamic systems. The Practice of Engineering Dynamics includes end of chapter exercises and is accompanied by a website hosting a solutions manual.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 240
• Erscheinungstermin: 9. Juni 2020
• Englisch
• ISBN-13: 9781119053682
• Artikelnr.: 59605543

Autorenporträt

DR. RONALD J. ANDERSON is a Professor in the Department of Mechanical and Materials Engineering, Queen's University at Kingston, Canada. He received his B.Sc.(Eng) from the University of Alberta in 1973, his M.Sc.(Eng) from Queen's University in 1974, and his Ph.D. from Queen's University in 1977. His doctoral research was in the field of road vehicle dynamics. From 1977 to 1979, he was a Defence Scientist with the Defence Research Establishment Atlantic where he was engaged in research on the dynamics of novel ships. From 1979 to 1981 he was Senior Dynamicist with the Urban Transportation Development Corporation where he worked on rail vehicle dynamics, particularly suspension design for steerable rail vehicles. He joined Queen's University in 1981 and, while conducting research into vehicle dynamics and multibody dynamics, has been teaching undergraduate courses on dynamics and vibrations and postgraduate courses on advanced dynamics and engineering analysis. Dr. Anderson has been the recipient of several departmental and faculty-wide teaching awards. He has also served the University in the academic administrative roles of Head of Department, Associate Dean (Research), and Dean of Graduate Studies.

Inhaltsangabe

Preface xi

About the Companion Website xv

Part I Modeling: Deriving Equations of Motion 1

1 Kinematics 3

1.1 Derivatives of Vectors 3

1.2 Performing Kinematic Analysis 5

1.3 Two Dimensional Motion with Constant Length 6

1.4 Two Dimensional Motion with Variable Length 8

1.5 Three Dimensional Kinematics 10

1.6 Absolute Angular Velocity and Acceleration 13

1.7 The General Acceleration Expression 14

Exercises 16

2 Newton's Equations of Motion 19

2.1 The Study of Motion 19

2.2 Newton's Laws 19

2.3 Newton's Second Law for a Particle 20

2.4 Deriving Equations of Motion for Particles 21

2.5 Working with Rigid Bodies 25

2.6 Using F = ma in the Rigid Body Force Balance 26

2.7 Using F = dG/dt in the Rigid Body Force Balance 28

2.8 Moment Balance for a Rigid Body 30

2.9 The Angular Momentum Vector - HO 33

2.10 A Physical Interpretation of Moments and Products of Inertia 36

2.11 Euler's Moment Equations 40

2.12 Throwing a Spiral 41

2.13 A Two Body System 42

2.14 Gyroscopic Motion 48

Exercises 52

3 Lagrange's Equations of Motion 55

3.1 An Example to Start 55

3.2 Lagrange's Equation for a Single Particle 58

3.3 Generalized Forces 62

3.4 Generalized Forces as Derivatives of Potential Energy 64

3.5 Dampers - Rayleigh's Dissipation Function 65

3.6 Kinetic Energy of a Free Rigid Body 67

3.7 A Two Dimensional Example using Lagrange's Equation 70

3.7.1 The Kinetic Energy 70

3.7.2 The Potential Energy 71

3.7.3 The Theta Equation 72

3.7.4 The Phi Equation 73

3.8 Standard Form of the Equations of Motion 73

Exercises 74

Part II Simulation: Using the Equations of Motion 77

4 Equilibrium Solutions 79

4.1 The Simple Pendulum 79

4.2 Equilibrium with Two Degrees of Freedom 80

4.3 Equilibrium with Steady Motion 81

4.4 The General Equilibrium Solution 84

Exercises 85

5 Stability 87

5.1 Analytical Stability 87

5.2 Linearization of Functions 92

5.3 Example: A System with Two Degrees of Freedom 95

5.4 Routh Stability Criterion 99

5.5 Standard Procedure for Stability Analysis 103

Exercises 105

6 Mode Shapes 107

6.1 Eigenvectors 107

6.2 Comparing Translational and Rotational Degrees of Freedom 111

6.3 Nodal Points in Mode Shapes 115

6.4 Mode Shapes with Damping 116

6.5 Modal Damping 118

Exercises 122

7 Frequency Domain Analysis 125

7.1 Modeling Frequency Response 125

7.2 Seismic Disturbances 132

7.3 Power Spectral Density 133

7.3.1 Units of the PSD 138

7.3.2 Simulation using the PSD 139

Exercises 143

8 Time Domain Solutions 145

8.1 Getting the Equations of Motion Ready for Time Domain Simulation 146

8.2 A Time Domain Example 147

8.3 Numerical Schemes for Solving the Equations of Motion 149

8.4 Euler Integration 149

8.5 An Example Using the Euler Integrator 151

8.6 The Central Difference Method: An (h2) Method 153

8.7 Variable Time Step Methods 155

8.8 Methods with Higher Order Truncation Error 157

8.9 The Structure of a Simulation Program 159

Exercises 163

Part III Working with Experimental Data 165

9 Experimental Dat