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عدد المساهمات : 19002 التقييم : 35506 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: حل كتاب الاهتزازت الميكانيكية - Mechanical Vibrations 4th Edition Solution Manual الجمعة 20 ديسمبر 2013, 2:39 pm | |
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تذكير بمساهمة فاتح الموضوع : أخوانى فى الله أحضرت لكم كتاب حل كتاب الاهتزازت الميكانيكية Mechanical Vibrations 4th Edition Solution Manual Dr. Singiresu S. Rao
ويتناول الموضوعات الأتية :
Table of Contents CHAPTER Fundamentals of Vibration Preliminary Remarks Brief History of the Study of Vibration Origins of the Study of Vibration From Galileo to Rayleigh Recent Contributions Importance of the Study of Vibration Basic Concepts of Vibration Vibration Elementary Parts of Vibrating Systems Number of Degrees of Freedom Discrete and Continuous Systems Classification of Vibration Free and Forced Vibration Undamped and Damped Vibration Linear and Nonlinear Vibration Deterministic and Random Vibration Vibration Analysis Procedure Spring Elements Nonlinear Springs Linearization of a Nonlinear Spring Spring Constants of Elastic Elements Combination of Springs Spring Constant Associated with the Restoring Force due to Gravity Mass or Inertia Elements Combination of Masses Damping Elements Construction of Viscous Dampers Linearization of a Nonlinear Damper Combination of Dampers Harmonic Motion Vectorial Representation of Harmonic Motion Complex-Number Representation of Harmonic Motion Complex Algebra Operations on Harmonic Functions Definitions and Terminology Harmonic Analysis Fourier Series Expansion Complex Fourier Series Frequency Spectrum Time- and Frequency-Domain Representations Even and Odd Functions Half-Range Expansions Numerical Computation of Coefficients Examples Using MATLAB Vibration Literature Chapter Summary References Review Questions Problems Design Projects CONTENTS v CHAPTER Free Vibration of Single-Degree-of-Freedom Systems Introduction Free Vibration of an Undamped Translational System Equation of Motion Using Newton’s Second Law of Motion Equation of Motion Using Other Methods Equation of Motion of a Spring-Mass System in Vertical Position Solution Harmonic Motion Free Vibration of an Undamped Torsional System Equation of Motion Solution Response of First Order Systems and Time Constant Rayleigh’s Energy Method Free Vibration with Viscous Damping Equation of Motion Solution Logarithmic Decrement Energy Dissipated in Viscous Damping Torsional Systems with Viscous Damping Graphical Representation of Characteristic Roots and Corresponding Solutions Roots of the Characteristic Equation Graphical Representation of Roots and Corresponding Solutions Parameter Variations and Root Locus Representations Interpretations of and in s-plane Root Locus and Parameter Variations Free Vibration with Coulomb Damping Equation of Motion Solution Torsional Systems with Coulomb Damping Free Vibration with Hysteretic Damping Stability of Systems Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects CHAPTER Harmonically Excited Vibration Introduction Equation of Motion Response of an Undamped System Under Harmonic Force Total Response Beating Phenomenon Response of a Damped System Under Harmonic Force Total Response Quality Factor and Bandwidth Response of a Damped System Under Response of a Damped System Under the Harmonic Motion of the Base Force Transmitted Relative Motion Response of a Damped System Under Rotating Unbalance Forced Vibration with Coulomb Damping Forced Vibration with Hysteresis Damping Forced Motion with Other Types of Damping Self-Excitation and Stability Analysis Dynamic Stability Analysis Dynamic Instability Caused by Fluid Flow Transfer-Function Approach Solutions Using Laplace Transforms Frequency Transfer Functions Relation Between the General Transfer function T(s) and the Frequency Transfer Function Representation of Frequency-Response Characteristics T(iv) F(t) =Fe iVt Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects CHAPTER Vibration Under General Forcing Conditions Introduction Response Under a General Periodic Force First-Order Systems Second-Order Systems Response Under a Periodic Force of Irregular Form Response Under a Nonperiodic Force Convolution Integral Response to an Impulse Response to a General Forcing Condition Response to Base Excitation Response Spectrum Response Spectrum for Base Excitation Earthquake Response Spectra Design Under a Shock Environment Laplace Transform Transient and Steady-State Responses Response of First-Order Systems Response of Second-Order Systems Response to Step Force Analysis of the Step Response Description of Transient Response Numerical Methods Runge-Kutta Methods Response to Irregular Forcing Conditions Using Numerical Methods Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects CHAPTER Two-Degree-of-Freedom Systems Introduction Equations of Motion for Forced Vibration Free Vibration Analysis of an Undamped System Torsional System Coordinate Coupling and Principal Coordinates Forced-Vibration Analysis Semidefinite Systems Self-Excitation and Stability Analysis Transfer-Function Approach Solutions Using Laplace Transform Solutions Using Frequency Transfer Functions Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects CHAPTER Multidegree-of-Freedom Systems Introduction Modeling of Continuous Systems as Multidegreeof-Freedom Systems Using Newton’s Second Law to Derive Equations of Motion Influence Coefficients Stiffness Influence Coefficients Flexibility Influence Coefficients Inertia Influence Coefficients Potential and Kinetic Energy Expressions in Matrix Form Generalized Coordinates and Generalized Forces Using Lagrange’s Equations to Derive Equations of Motion Equations of Motion of Undamped Systems in Matrix Form Eigenvalue Problem Solution of the Eigenvalue Problem Solution of the Characteristic (Polynomial) Equation Orthogonality of Normal Modes Repeated Eigenvalues Expansion Theorem Unrestrained Systems Free Vibration of Undamped Systems Forced Vibration of Undamped Systems Using Modal Analysis Forced Vibration of Viscously Damped Systems Self-Excitation and Stability Analysis Examples Using MATLAB Chapter Summary References Review Questions Problems Design Project CHAPTER Determination of Natural Frequencies and Mode Shapes Introduction Dunkerley’s Formula Rayleigh’s Method Properties of Rayleigh’s Quotient Computation of the Fundamental Natural Frequency Fundamental Frequency of Beams and Shafts Holzer’s Method Torsional Systems Spring-Mass Systems Matrix Iteration Method Convergence to the Highest Natural Frequency Computation of Intermediate Natural Frequencies Jacobi’s Method Standard Eigenvalue Problem Choleski Decomposition Other Solution Methods Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects CHAPTER Continuous Systems Introduction Transverse Vibration of a String or Cable Equation of Motion Initial and Boundary Conditions Free Vibration of a Uniform String Free Vibration of a String with Both Ends Fixed Traveling-Wave Solution Longitudinal Vibration of a Bar or Rod Equation of Motion and Solution Orthogonality of Normal Functions Torsional Vibration of a Shaft or Rod Lateral Vibration of Beams Equation of Motion Initial Conditions Free Vibration Boundary Conditions Orthogonality of Normal Functions Forced Vibration Effect of Axial Force Effects of Rotary Inertia and Shear Deformation Other Effects Vibration of Membranes Equation of Motion Initial and Boundary Conditions Rayleigh’s Method The Rayleigh-Ritz Method Examples Using MATLAB Chapter Summary References Review Questions Problems Design Project CHAPTER Vibration Control Introduction Vibration Nomograph and Vibration Criteria Reduction of Vibration at the Source Balancing of Rotating Machines Single-Plane Balancing Two-Plane Balancing Whirling of Rotating Shafts Equations of Motion Critical Speeds Response of the System Stability Analysis Balancing of Reciprocating Engines Unbalanced Forces Due to Fluctuations in Gas Pressure Unbalanced Forces Due to Inertia of the Moving Parts Balancing of Reciprocating Engines Control of Vibration Control of Natural Frequencies Introduction of Damping Vibration Isolation Vibration Isolation System with Rigid Foundation Vibration Isolation System with Base Motion Vibration Isolation System with Flexible Foundation Vibration Isolation System with Partially Flexible Foundation Shock Isolation Active Vibration Control Vibration Absorbers Undamped Dynamic Vibration Absorber Damped Dynamic Vibration Absorber Examples Using MATLAB Chapter Summary References Review Questions Problems Design Project CHAPTER Vibration Measurement and Applications Introduction Transducers Variable Resistance Transducers Piezoelectric Transducers Electrodynamic Transducers Linear Variable Differential Transformer Transducer Vibration Pickups Vibrometer Accelerometer Velometer Phase Distortion Frequency-Measuring Instruments Vibration Exciters Mechanical Exciters Electrodynamic Shaker Signal Analysis Spectrum Analyzers Bandpass Filter Constant-Percent Bandwidth and Constant-Bandwidth Analyzers Dynamic Testing of Machines and Structures Using Operational Deflection-Shape Measurements Using Modal Testing Experimental Modal Analysis The Basic Idea The Necessary Equipment Digital Signal Processing Analysis of Random Signals Determination of Modal Data from Observed Peaks Determination of Modal Data from Nyquist Plot Measurement of Mode Shapes Machine–Condition Monitoring and Diagnosis Vibration Severity Criteria Machine Maintenance Techniques Machine–Condition Monitoring Techniques Vibration Monitoring Techniques Instrumentation Systems Choice of Monitoring Parameter Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects CHAPTER Numerical Integration Methods in Vibration Analysis Introduction Finite Difference Method Central Difference Method for Single-Degree-ofFreedom Systems Runge-Kutta Method for Single-Degree-ofFreedom Systems Central Difference Method for Multidegree-ofFreedom Systems Finite Difference Method for Continuous Systems Longitudinal Vibration of Bars Transverse Vibration of Beams Runge-Kutta Method for Multidegree-ofFreedom Systems Houbolt Method Wilson Method Newmark Method Examples Using MATLAB Chapter Summary References Review Questions Problems CHAPTER Finite Element Method Introduction Equations of Motion of an Element Mass Matrix, Stiffness Matrix, and Force Vector Bar Element Torsion Element Beam Element Transformation of Element Matrices and Vectors Equations of Motion of the Complete System of Finite Elements Incorporation of Boundary Conditions Consistent- and Lumped-Mass Matrices Lumped-Mass Matrix for a Bar Element Lumped-Mass Matrix for a Beam Element Lumped-Mass Versus Consistent-Mass Matrices Examples Using MATLAB Chapter Summary References Review Questions Problems Design Projects Chapters and are provided as downloadable files on the Companion Website CHAPTER Nonlinear Vibration - Introduction - Examples of Nonlinear Vibration Problems - Simple Pendulum - Mechanical Chatter, Belt Friction System - Variable Mass System - Exact Methods - Approximate Analytical Methods - Basic Philosophy - Lindstedt’s Perturbation Method - Iterative Method - Ritz-Galerkin Method - Subharmonic and Superharmonic Oscillations - Subharmonic Oscillations - Superharmonic Oscillations - Systems with Time-Dependent Coefficients (Mathieu Equation) - Graphical Methods - Phase-Plane Representation - Phase Velocity - Method of Constructing Trajectories - Obtaining Time Solution from Phase Plane Trajectories - Stability of Equilibrium States - Stability Analysis - Classification of Singular Points - Limit Cycles - Chaos - Functions with Stable Orbits - Functions with Unstable Orbits - Chaotic Behavior of Duffing’s Equation Without the Forcing Term - Chaotic Behavior of Duffing’s Equation with the Forcing Term - Numerical Methods - Examples Using MATLAB - Chapter Summary - References - Review Questions - Problems - Design Projects - CHAPTER Random Vibration - Introduction - Random Variables and Random Processes - Probability Distribution - Mean Value and Standard Deviation - Joint Probability Distribution of Several Random Variables - Correlation Functions of a Random Process - Stationary Random Process - Gaussian Random Process - Fourier Analysis - Fourier Series - Fourier Integral - Power Spectral Density - Wide-Band and Narrow-Band Processes - Response of a Single-Degree-ofFreedom System - Impulse-Response Approach - Frequency-Response Approach - Characteristics of the Response Function - Response Due to Stationary Random Excitations - Impulse-Response Approach - Frequency-Response Approach - Response of a Multidegree-of-Freedom System - Examples Using MATLAB - Chapter Summary - References - Review Questions - Problems - Design Project - APPENDIX A Mathematical Relationships and Material Properties APPENDIX B Deflection of Beams and Plates APPENDIX C Matrices APPENDIX D Laplace Transform APPENDIX E Units APPENDIX F Introduction to MATLAB Answers to Selected Problems Index x CONTENTS
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