Introduction to operational modal analysis /

• Κύριος συγγραφέας: Brincker, Rune
• Άλλοι συγγραφείς: Ventura, Carlos
• Μορφή: Ηλ. βιβλίο
• Γλώσσα: English
• Έκδοση: Chichester, West Sussex : John Wiley and Sons, Inc., 2015.
• Θέματα: Modal analysis.; Structural analysis (Engineering); Engineering.; TECHNOLOGY & ENGINEERING > Civil > General.; Electronic books.

Comprehensively covers the basic principles and practice of Operational Modal Analysis (OMA). Covers all important aspects that are needed to understand why OMA is a practical tool for modal testingCovers advanced topics, including closely spaced modes, mode shape scaling, mode shape expansion and e...

Πίνακας περιεχομένων:

• Cover; Title Page; Copyright; Contents; Preface; Chapter 1 Introduction; 1.1 Why Conduct Vibration Test of Structures?; 1.2 Techniques Available for Vibration Testing of Structures; 1.3 Forced Vibration Testing Methods; 1.4 Vibration Testing of Civil Engineering Structures; 1.5 Parameter Estimation Techniques; 1.6 Brief History of OMA; 1.7 Modal Parameter Estimation Techniques; 1.8 Perceived Limitations of OMA; 1.9 Operating Deflection Shapes; 1.10 Practical Considerations of OMA; 1.11 About the Book Structure; References; Chapter 2 Random Variables and Signals; 2.1 Probability.
• 2.1.1 Density Function and Expectation2.1.2 Estimation by Time Averaging; 2.1.3 Joint Distributions; 2.2 Correlation; 2.2.1 Concept of Correlation; 2.2.2 Autocorrelation; 2.2.3 Cross Correlation; 2.2.4 Properties of Correlation Functions; 2.3 The Gaussian Distribution; 2.3.1 Density Function; 2.3.2 The Central Limit Theorem; 2.3.3 Conditional Mean and Correlation; References; Chapter 3 Matrices and Regression; 3.1 Vector and Matrix Notation; 3.2 Vector and Matrix Algebra; 3.2.1 Vectors and Inner Products; 3.2.2 Matrices and Outer Products; 3.2.3 Eigenvalue Decomposition.
• 3.2.4 Singular Value Decomposition3.2.5 Block Matrices; 3.2.6 Scalar Matrix Measures; 3.2.7 Vector and Matrix Calculus; 3.3 Least Squares Regression; 3.3.1 Linear Least Squares; 3.3.2 Bias, Weighting and Covariance; References; Chapter 4 Transforms; 4.1 Continuous Time Fourier Transforms; 4.1.1 Real Fourier Series; 4.1.2 Complex Fourier Series; 4.1.3 The Fourier Integral; 4.2 Discrete Time Fourier Transforms; 4.2.1 Discrete Time Representation; 4.2.2 The Sampling Theorem; 4.3 The Laplace Transform; 4.3.1 The Laplace Transform as a generalization of the Fourier Transform.
• 4.3.2 Laplace Transform Properties4.3.3 Some Laplace Transforms; 4.4 The Z-Transform; 4.4.1 The Z-Transform as a generalization of the Fourier Series; 4.4.2 Z-Transform Properties; 4.4.3 Some Z-Transforms; 4.4.4 Difference Equations and Transfer Function; 4.4.5 Poles and Zeros; References; Chapter 5 Classical Dynamics; 5.1 Single Degree of Freedom System; 5.1.1 Basic Equation; 5.1.2 Free Decays; 5.1.3 Impulse Response Function; 5.1.4 Transfer Function; 5.1.5 Frequency Response Function; 5.2 Multiple Degree of Freedom Systems; 5.2.1 Free Responses for Undamped Systems.
• 5.2.2 Free Responses for Proportional Damping5.2.3 General Solutions for Proportional Damping; 5.2.4 Transfer Function and FRF Matrix for Proportional Damping; 5.2.5 General Damping; 5.3 Special Topics; 5.3.1 Structural Modification Theory; 5.3.2 Sensitivity Equations; 5.3.3 Closely Spaced Modes; 5.3.4 Model Reduction (SEREP); 5.3.5 Discrete Time Representations; 5.3.6 Simulation of OMA Responses; References; Chapter 6 Random Vibrations; 6.1 General Inputs; 6.1.1 Linear Systems; 6.1.2 Spectral Density; 6.1.3 SISO Fundamental Theorem; 6.1.4 MIMO Fundamental Theorem; 6.2 White Noise Inputs.