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عدد المساهمات : 19001 التقييم : 35505 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Structural Vibration - Analysis And Damping السبت 03 مارس 2012, 12:06 pm | |
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أخوانى فى الله أحضرت لكم كتاب
Structural Vibration - Analysis And Damping
ويتناول الموضوعات الأتية :
Chapter Vibration Engineering Study of Vibration Application Areas History of Vibration Organization of the Book Problems References and Further Reading Author’s Work Other Useful Publications Chapter Time Response Undamped Oscillator Energy Storage Elements Inertia Spring Gravitational Potential Energy Conservation of Energy System (Translatory) System (Rotatory) System (Flexural) System (Swinging) System (Liquid Slosh) System (Electrical) Capacitor Inductor Free Response Example Solution Heavy Springs Kinetic Energy Equivalence Example Solution Oscillations in Fluid Systems Example Solution Damped Simple Oscillator Case : Underdamped Motion Initial Conditions Logarithmic Decrement Method Case : Overdamped Motion Case : Critically Damped Motion Justification for the Trial Solution First-Order System Second-Order System Repeated Roots Stability and Speed of Response Example Solution Forced Response Impulse Response Function Forced Response Response to a Support Motion Impulse Response The Riddle of Zero Initial Conditions Step Response Liebnitz’s Rule Problems Chapter Frequency Response Response to Harmonic Excitations Response Characteristics Case Case Case Particular Solution (Method ) Particular Solution (Method ): Complex Function Method Resonance Measurement of Damping Ratio (Q-Factor Method) Example Solution Transform Techniques Transfer Function Frequency-Response Function (Frequency-Transfer Function) Impulse Response Case ( ζ < ) Case ( ζ > ) Case ( ζ = ) Step Response Transfer Function Matrix Example Example Example Solution Mechanical Impedance Approach Mass Element Spring Element Damper Element Interconnection Laws Example Example Transmissibility Functions Force Transmissibility Motion Transmissibility System Suspended on a Rigid Base (Force Transmissibility) System with Support Motion (Motion Transmissibility) General Case Example Peak Values of Frequency-Response Functions Receptance Method Application of Receptance Undamped Simple Oscillator Dynamic Absorber Problems Chapter Vibration Signal Analysis Frequency Spectrum Frequency Amplitude Spectrum Phase Angle Phasor Representation of Harmonic Signals RMS Amplitude Spectrum One-Sided and Two-Sided Spectra Complex Spectrum Signal Types Fourier Analysis Fourier Integral Transform (FIT) Fourier Series Expansion (FSE) Discrete Fourier Transform (DFT) Aliasing Distortion Sampling Theorem Aliasing Distortion in the Time Domain Anti-Aliasing Filter Example Another Illustration of Aliasing Example Analysis of Random Signals Ergodic Random Signals Correlation and Spectral Density Frequency Response Using Digital Fourier Transform Leakage (Truncation Error) Coherence Parseval’s Theorem Window Functions Spectral Approach to Process Monitoring Cepstrum Other Topics of Signal Analysis Bandwidth Transmission Level of a Bandpass Filter Effective Noise Bandwidth Half-Power (or dB) Bandwidth Fourier Analysis Bandwidth Resolution in Digital Fourier Results Overlapped Processing Example Order Analysis Speed Spectral Map Time Spectral Map Order Tracking Problems Chapter Modal Analysis Degrees of Freedom and Independent Coordinates Nonholonomic Constraints Example Example System Representation Stiffness and Flexibility Matrices Inertia Matrix Direct Approach for Equations of Motion Modal Vibrations Example Orthogonality of Natural Modes Modal Mass and Normalized Modal Vectors Static Modes and Rigid Body Modes Static Modes Linear Independence of Modal Vectors Modal Stiffness and Normalized Modal Vectors Rigid Body Modes Example Equation of Heave Motion Equation of Pitch Motion Example First Mode (Rigid Body Mode) Second Mode Modal Matrix Configuration Space and State Space State Vector Other Modal Formulations Non-Symmetric Modal Formulation Transformed Symmetric Modal Formulation Example Approach Approach Forced Vibration Example First Mode (Rigid Body Mode) Second Mode (Oscillatory Mode) Damped Systems Proportional Damping Example State-Space Approach Modal Analysis Mode Shapes of Nonoscillatory Systems Mode Shapes of Oscillatory Systems Example Problems Chapter Distributed-Parameter Systems Transverse Vibration of Cables Wave Equation General (Modal) Solution Cable with Fixed Ends Orthogonality of Natural Modes Example Solution Application of Initial Conditions Example Solution Longitudinal Vibration of Rods Equation of Motion Boundary Conditions Example Solution Torsional Vibration of Shafts Shaft with Circular Cross Section Torsional Vibration of Noncircular Shafts Example Solution Example Solution Flexural Vibration of Beams Governing Equation for Thin Beams Moment-Deflection Relation Rotatory Dynamics (Equilibrium) Transverse Dynamics Modal Analysis Boundary Conditions Free Vibration of a Simply Supported Beam Normalization of Mode Shape Functions Initial Conditions Orthogonality of Mode Shapes Case of Variable Cross Section Forced Bending Vibration Example Solution Example Solution Bending Vibration of Beams with Axial Loads Bending Vibration of Thick Beams Use of the Energy Approach Orthogonality with Inertial Boundary Conditions Rotatory Inertia Damped Continuous Systems Modal Analysis of Damped Beams Example Solution Vibration of Membranes and Plates Transverse Vibration of Membranes Rectangular Membrane with Fixed Edges Transverse Vibration of Thin Plates Rectangular Plate with Simply Supported Edges Problems Chapter Damping Types of Damping Material (Internal) Damping Viscoelastic Damping Hysteretic Damping Example Solution Structural Damping Fluid Damping Example Solution Representation of Damping in Vibration Analysis Equivalent Viscous Damping Complex Stiffness Example Solution Loss Factor Measurement of Damping Logarithmic Decrement Method Step-Response Method Hysteresis Loop Method Example Solution Magnification-Factor Method Bandwidth Method General Remarks Interface Damping Example Solution Friction In Rotational Interfaces Instability Problems Chapter Vibration Instrumentation Vibration Exciters Shaker Selection Force Rating Power Rating Stroke Rating Example Solution Hydraulic Shakers Inertial Shakers Electromagnetic Shakers Dynamics of Electromagnetic Shakers Transient Exciters Control System Components of a Shaker Controller Compressor Equalizer (Spectrum Shaper) Tracking Filter Excitation Controller (Amplitude Servo-Monitor) Signal-Generating Equipment Oscillators Random Signal Generators Tape Players Data Processing Performance Specification Parameters for Performance Specification Time-Domain Specifications Frequency-Domain Specifications Linearity Instrument Ratings Rating Parameters Accuracy and Precision Motion Sensors and Transducers Potentiometer Potentiometer Resolution Optical Potentiometer Variable-Inductance Transducers Mutual-Induction Transducers Linear-Variable Differential Transformer (LVDT) Signal Conditioning Example Solution Mutual-Induction Proximity Sensor Self-Induction Transducers Permanent-Magnet Transducers AC Permanent-Magnet Tachometer AC Induction Tachometer Eddy Current Transducers Variable-Capacitance Transducers Capacitive Displacement Sensors Capacitive Angular Velocity Sensor Capacitance Bridge Circuit Piezoelectric Transducers Sensitivity Example Solution Piezoelectric Accelerometer Charge Amplifier Torque, Force, and Other Sensors Strain-Gage Sensors Equations for Strain-Gage Measurements Bridge Sensitivity The Bridge Constant Example Solution The Calibration Constant Example Solution Data Acquisition Accuracy Considerations Semiconductor Strain Gages Force and Torque Sensors Strain-Gage Torque Sensors Deflection Torque Sensors Variable-Reluctance Torque Sensor Reaction Torque Sensors Miscellaneous Sensors Stroboscope Fiber-Optic Sensors and Lasers Fiber-Optic Gyroscope Laser Doppler Interferometer Ultrasonic Sensors Gyroscopic Sensors Component Interconnection Impedance Characteristics Cascade Connection of Devices Impedance-Matching Amplifiers Operational Amplifiers Voltage Followers Charge Amplifiers Instrumentation Amplifier Ground Loop Noise Problems Chapter Signal Conditioning and Modification Amplifiers Operational Amplifier Example Solution Use of Feedback in Op-amps Voltage, Current, and Power Amplifiers Instrumentation Amplifiers Differential Amplifier Common Mode Amplifier Performance Ratings Example Solution Common-Mode Rejection Ratio (CMRR) AC-Coupled Amplifiers Analog Filters Passive Filters and Active Filters Number of Poles Low-Pass Filters Example Solution Low-Pass Butterworth Filter Example Solution High-Pass Filters Bandpass Filters Resonance-Type Bandpass Filters Example Solution Band-Reject Filters Modulators and Demodulators Amplitude Modulation Modulation Theorem Side Frequencies and Side Bands Application of Amplitude Modulation Fault Detection and Diagnosis Demodulation Analog/Digital Conversion Digital-to-Analog Conversion (DAC) Weighted-Resistor DAC Ladder DAC DAC Error Sources Analog-to-Digital Conversion (ADC) Successive-Approximation ADC Dual-Slope ADC Counter ADC ADC Performance Characteristics Resolution and Quantization Error Monotonicity, Nonlinearity, and Offset Error ADC Conversion Rate Sample-and-Hold (S/H) Circuitry Multiplexers (MUX) Analog Multiplexers Digital Multiplexers Digital Filters Software Implementation and Hardware Implementation Bridge Circuits Wheatstone Bridge Constant-Current Bridge Bridge Amplifiers Half-Bridge Circuits Impedance Bridges Owen Bridge Wien-Bridge Oscillator Linearizing Devices Linearization by Software Linearization by Hardware Logic Analog Linearizing Circuitry Offsetting Circuitry Proportional-Output Circuitry Curve-Shaping Circuitry Miscellaneous Signal-Modification Circuitry Phase Shifter Voltage-to-Frequency Converter (VFC) Frequency-to-Voltage Converter (FVC) Voltage-to-Current Converter (VCC) Peak-Hold Circuit Signal Analyzers and Display Devices Signal Analyzers Oscilloscopes Triggering Lissajous Patterns Digital Oscilloscopes Problems Chapter Vibration Testing Representation of a Vibration Environment Test Signals Stochastic versus Deterministic Signals Deterministic Signal Representation Single-Frequency Signals Sine Sweep Sine Dwell Decaying Sine Sine Beat Sine Beat with Pauses Multifrequency Signals Actual Excitation Records Simulated Excitation Signals Stochastic Signal Representation Ergodic Random Signals Stationary Random Signals Independent and Uncorrelated Signals Transmission of Random Excitations Frequency-Domain Representations Fourier Spectrum Method Power Spectral Density Method Response Spectrum Displacement, Velocity, and Acceleration Spectra Response-Spectra Plotting Paper Zero-Period Acceleration Uses of Response Spectra Comparison of Various Representations Pretest Procedures Purpose of Testing Service Functions Active Equipment Passive Equipment Functional Testing Information Acquisition Interface Details Effect of Neglecting Interface Dynamics Effects of Damping Effects of Inertia Effect of Natural Frequency Effect of Excitation Frequency Other Effects of Interface Test-Program Planning Testing of Cabinet-Mounted Equipment Pretest Inspection Testing Procedures Resonance Search Methods of Determining Frequency-Response Functions Fourier Transform Method Spectral Density Method Harmonic Excitation Method Resonance-Search Test Methods Hammer (Bump) Test and Drop Test Pluck Test Shaker Tests Mechanical Aging Equivalence for Mechanical Aging Excitation-Intensity Equivalence Dynamic-Excitation Equivalence Cumulative Damage Theory TRS Generation Instrument Calibration Test-Object Mounting Test-Input Considerations Test Nomenclature Testing with Uncorrelated Excitations Symmetrical Rectilinear Testing Geometry versus Dynamics Some Limitations Testing of Black Boxes Phasing of Excitations Testing a Gray or White Box Overtesting in Multitest Sequences Product Qualification Testing Distribution Qualification Drive-Signal Generation Distribution Spectra Test Procedures Seismic Qualification Stages of Seismic Qualification Test Preliminaries Single-Frequency Testing Multifrequency Testing Generation of RRS Specifications Problems Chapter Experimental Modal Analysis Frequency-Domain Formulation Transfer Function Matrix Principle of Reciprocity Example Experimental Model Development Extraction of the Time-Domain Model Curve-Fitting of Transfer Functions Problem Identification Single-Degree-of-Freedom and Multi-Degree-of-Freedom Techniques Single-Degree-of-Freedom Parameter Extraction in the Frequency Domain Circle-Fit Method Peak Picking Method Multi-Degree-of-Freedom Curve Fitting Formulation of the Method A Comment on Static Modes and Rigid Body Modes Residue Extraction Laboratory Experiments Lumped-Parameter System Frequency-Domain Test Time-Domain Test Distributed-Parameter System Commercial EMA Systems System Configuration FFT Analysis Options Modal Analysis Components Problems Chapter Vibration Design and Control Shock and Vibration Specification of Vibration Limits Peak Level Specification RMS Value Specification Frequency-Domain Specification Vibration Isolation Example Solution Design Considerations Example Solution Vibration Isolation of Flexible Systems Balancing of Rotating Machinery Static Balancing Balancing Approach Complex Number/Vector Approach Example Solution Dynamic (Two-Plane) Balancing Example Solution Experimental Procedure of Balancing Balancing of Reciprocating Machines Single-Cylinder Engine Balancing the Inertia Load of the Piston Multicylinder Engines Two-Cylinder Engine Six-Cylinder Engine Example Solution Combustion/Pressure Load Whirling of Shafts Equations of Motion Steady-State Whirling Example Solution Self-Excited Vibrations Design Through Modal Testing Component Modification Example Solution Substructuring Passive Control of Vibration Undamped Vibration Absorber Example Solution Damped Vibration Absorber Optimal Absorber Design Example Solution Vibration Dampers Active Control of Vibration Active Control System Control Techniques State-Space Models Example Solution Position and Velocity Feedback Linear Quadratic Regulator (LQR) Control Modal Control Active Control of Saw Blade Vibration Control of Beam Vibrations State-Space Model of Beam Dynamics Control Problem Use of Linear Dampers Design Example Problems Appendix A Dynamic Models and Analogies A Model Development A Analogies A Mechanical Elements A Mass (Inertia) Element A Spring (Stiffness) Element A Electrical Elements A Capacitor Element A Inductor Element A Thermal Elements A Thermal Capacitor A Thermal Resistance A Fluid Elements A Fluid Capacitor A Fluid Inertor A Fluid Resistance A Natural Oscillations A State-Space Models A Linearization A Time Response A Some Formal Definitions A Illustrative Example A Causality and Physical Realizability Appendix B Newtonian and Lagrangian Mechanics B Vector Kinematics B Euler’s Theorem Important Corollary Proof B Angular Velocity and Velocity at a Point of a Rigid Body Theorem Proof B Rates of Unit Vectors Along Axes of Rotating Frames General Result Cartesian Coordinates Polar Coordinates (-D) Spherical Polar Coordinates Tangential-Normal (Intrinsive) Coordinates (-D) B Acceleration Expressed in Rotating Frames Spherical Polar Coordinates Tangential-Normal Coordinates (-D) B Newtonian (Vector) Mechanics B Frames of Reference Rotating at Angular Velocity w B Newton’s Second Law for a Particle of Mass m B Second Law for a System of Particles — Rigidly or Flexibly Connected B Rigid Body Dynamics — Inertia Matrix and Angular Momentum B Manipulation of Inertia Matrix Parallel Axis Theorem— Translational Transformation of [I] Rotational Transformation of [I] Principal Directions (Eigenvalue Problem) Mohr’s Circle B Euler’s Equations (for a Rigid Body Rotating at w) B Euler’s Angles B Lagrangian Mechanics B Kinetic Energy and Kinetic Coenergy B Work and Potential Energy Examples B Holonomic Systems, Generalized Coordinates, and Degrees of Freedom B Hamilton’s Principle B Lagrange’s Equations Example Generalized Coordinates Generalized Nonconservative Forces Lagrangian Lagrange’s Equations Appendix C Review of Linear Algebra C Vectors and Matrices C Vector-Matrix Algebra C Matrix Addition and Subtraction C Null Matrix C Matrix Multiplication C Identity Matrix C Matrix Inverse C Matrix Transpose C Trace of a Matrix C Determinant of a Matrix C Adjoint of a Matrix C Inverse of a Matrix C Vector Spaces C Field ( ) C Vector Space ( ) Properties Special Case C Subspace of
C Linear Dependence C Basis and Dimension of a Vector Space C Inner Product C Norm Properties C Gram-Schmidt Orthogonalization C Modified Gram-Schmidt Procedure C Determinants C Properties of Determinant of a Matrix C Rank of a Matrix C System of Linear Equations References Appendix D Digital Fourier Analysis and FFT D Unification of the Three Fourier Transform Types D Relationship Between DFT and FIT D Relationship Between DFT and FSE D Fast Fourier Transform (FFT) D Development of the Radix-Two FFT Algorithm D The Radix-Two FFT Procedure D Illustrative Example D Discrete Correlation and Convolution D Discrete Correlation Discrete Correlation Theorem Discrete Convolution Theorem D Digital Fourier Analysis Procedures D Fourier Transform Using DFT D Inverse DFT Using DFT D Simultaneous DFT of Two Real Data Records D Reduction of Computation Time for a Real Data Record D Convolution of Finite Duration Signals Using DFT Wraparound Error Data-Record Sectioning in Convolution Appendix E Reliability Considerations for Multicomponent Units E Failure Analysis E Reliability E Unreliability E Inclusion–Exclusion Formula Example E Bayes’ Theorem E Product Rule for Independent Events E Failure Rate E Product Rule for Reliability Answers to Numerical Problems
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عدد المساهمات : 27 التقييم : 27 تاريخ التسجيل : 04/08/2012 العمر : 32 الدولة : مصر العمل : طالب الجامعة : المنصوره
| موضوع: رد: كتاب Structural Vibration - Analysis And Damping الخميس 22 نوفمبر 2012, 12:05 pm | |
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عدد المساهمات : 19001 التقييم : 35505 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: رد: كتاب Structural Vibration - Analysis And Damping الخميس 22 نوفمبر 2012, 6:26 pm | |
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