Vibration Damping, Control, and Design

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		Vibration Damping, Control, and Design
		Vibration Damping, Control, and Design

Reducing and controlling the level of vibration in a mechanical system leads to an improved work environment and product quality, reduced noise, more economical operation, and longer equipment life. Adequate design is essential for reducing vibrations, while damping and control methods help further reduce and manipulate vibrations when design strategies reach their limits. There are also useful types of vibration, which may require enhancement or control. Vibration Damping, Control, and Design balances theoretical and application-oriented coverage to enable optimal vibration and noise suppression and control in nearly any system.

Drawn from the immensely popular Vibration and Shock Handbook, each expertly crafted chapter of this book includes convenient summary windows, tables, graphs, and lists to provide ready access to the important concepts and results. Working systematically from general principles to specific applications, coverage spans from theory and experimental techniques in vibration damping to isolation, passive control, active control, and structural dynamic modification. The book also discusses specific issues in designing for and controlling vibrations and noise such as regenerative chatter in machine tools, fluid-induced vibration, hearing and psychological effects, instrumentation for monitoring, and statistical energy analysis. This carefully edited work strikes a balance between practical considerations, design issues, and experimental techniques.

Complemented by design examples and case studies, Vibration Damping, Control, and Design builds a deep understanding of the concepts and demonstrates how to apply these principles to real systems.

作者简介

University of British Columbia, Vancouver, Canada

目录

VIBRATION DAMPING; Vibration Damping Clarence W. de Silva
Introduction
Types of Damping
Representation of Damping in Vibration Analysis
Measurement of Damping
Interface Damping
DAMPING THEORY; Randall D. Peters
Preface
Introduction
Background
Hysteresis - More Details
Damping Models
Measurements of Damping
Hysteretic Damping
Failure of the Common Theory
Air Influence
Noise and Damping
Transform Methods
Hysteretic Damping
Internal Friction
Mathematical Tricks - Linear Damping Approximations
Internal Friction Physics
Zener Model
Toward a Universal Model of Damping
Nonlinearity
Concluding Remark
EXPERIMENTAL TECHNIQUES IN DAMPING; Randall D. Peters
Electronic Considerations
Data Processing
Sensor Choices
Damping Examples
Driven Oscillators with Damping
Oscillator with Multiple Nonlinearities
Multiple Modes of Vibration
Internal Friction as Source of Mechanical Noise
Viscous Damping - Need for Caution
Air Influence
STRUCTURE AND EQUIPMENT ISOLATION; Y.B. Yang, L.Y. Lu, and J.D. Yau
Introduction
Mechanisms of Base-Isolated Systems
Structure-Equipment Systems with Elastomeric Bearings
Sliding Isolation Systems
Sliding Isolation Systems with Resilient Mechanism
Issues Related to Seismic Isolation Design
VIBRATION CONTROL; Nader Jalili and Ebrahim Esmailzadeh
Introduction
Vibration-Control Systems Concept
Vibration-Control Systems Design and Implementation
Practical Considerations and Related Topics
HELICOPTER ROTOR TUNING; Kourosh Danai
Introduction
Neural Network-Based Tuning
Probability-Based Tuning
Adaptive Tuning
Case Study
Conclusion
VIBRATION DESIGN AND CONTROL; Clarence W. de Silva
Introduction
Specification of Vibration Limits
Vibration Isolation
Balancing of Rotating Machinery
Balancing of Reciprocating Machines
Whirling of Shafts
Design through Modal Testing
Passive Control of Vibration
Active Control of Vibration
Control of Beam Vibrations
Appendix 7A: MATLAB Control Systems Toolbox
STRUCTURAL DYNAMIC MODIFICATION AND SENSITIVITY ANALYSIS; Su Huan Chen
Introduction
Structural Dynamic Modification of Finite Element Model
Perturbation Method of Vibration Modes
Design Sensitivity Analysis of Structural Vibration Modes
High-Accuracy Modal Superposition for Sensitivity Analysis of Modes
Sensitivity of Eigenvectors for Free-Free Structures
Matrix Perturbation Theory for Repeated Modes
Matrix Perturbation Method for Closely Spaced Eigenvalues
Matrix Perturbation Theory for Complex Modes
VIBRATION IN ROTATING MACHINERY; H. Sam Samarasekera
Introduction
Vibration Basics
Rotordynamic Analysis
Vibration Measurement and Techniques
Vibration Control and Diagnostics
REGENERATIVE CHATTER IN MACHINE TOOLS; Robert G. Landers
Introduction
Chatter in Turning Operations
Chatter in Face-Milling Operations
Time-Domain Simulation
Chatter Detection
Chatter Suppression
Case Study
FLUID-INDUCED VIBRATION; Seon M. Han
Description of the Ocean Environment
Fluid Forces
Examples
SOUND LEVELS AND DECIBELS; S. Akishita
Introduction
Sound Wave Characteristics
Levels and Decibels
HEARING AND PSYCHOLOGICAL EFFECTS; S. Akishita
Introduction
Structure and Function of the Ear
Frequency and Loudness Response
Hearing Loss
Psychological Effects of Noise
NOISE CONTROL CRITERIA AND REGULATIONS; S. Akishita
Introduction
Basic Ideas behind Noise Policy
Legislation
Regulation
Measures of Noise Evaluation
INSTRUMENTATION; Kiyoshi Nagakura
Sound Intensity Measurement
Mirror-Microphone System
Microphone Array
SOURCE OF NOISE; S. Akishita
Introduction
Radiation of Sound
DESIGN OF ABSORPTION; Teruo Obata
Introduction
Fundamentals of Sound Absorption
Sound-Absorbing Materials
Acoustic Characteristic Computation
Compound Wall
Attenuation of Lined Ducts
Attenuation of Dissipative Mufflers
General Considerations
Practical Example of Dissipative Muffler
DESIGN OF REACTIVE MUFFLERS; Teruo Obata
Introduction
Fundamental Equations
Effects of Reactive Mufflers
Calculation Procedure
Application Range of Model
Practical Example
DESIGN OF SOUND INSULATION; Kiyoshi Okura
Theory of Sound Insulation
Application of Sound Insulation
STATISTICAL ENERGY ANALYSIS; Takayuki Koizumi
Introduction
Power Flow Equations
Estimation of SEA Parameters
Application in Structures
INDEX

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