S. K. Dwivedy & Rajiv Tiwari: Mechanical Vibrations (IIT Guwahati)

# playlist of the 40 videos (click the up-left corner of the video)

source: nptelhrd    2010年4月15日
Mechanical - Mechanical Vibrations by Prof. S. K. Dwivedy and Prof. Rajiv Tiwari Department of Mechanical Engineering, IIT Guwahati.

Mod-1 Lec-1 Overview of the Course, Practical and Research Trends 1:02:52
Mod-1 Lec-2 Harmonic and Periodic Motions, Vibration Terminology 59:09
Mod-2 Lec-1 Vibration Model, Equation of Motion-Natural Frequency 59:06
Mod-2 Lec-2 Energy Method, Principle of Virtual Work 59:16
Mod-3 Lec-1 Viscously Damped Free Vibration Special Cases: Oscillatory 58:47
Mod-3 Lec-2 Logarithmic Decrement Experimental Determination of Damping Coefficient Hysteresis Loop 59:32
Mod-3 Lec-3 Coulomb Damping other Damping Models 55:23
Mod-4 Lec-1 Forced Harmonic Vibration, Magnification Factor 56:43
Mod-4 Lec-2 Laplace Transform, Superposition Theorem 58:27
Mod-4 Lec-3 Rotor Unbalance and Whirling of Shaft, Transmissibility 58:32
Mod-4 Lec-4 Support Motion, Vibration Isolation 59:38
Mod-4 Lec-5 Sharpness of Resonance, Vibration Measuring Instruments 58:35
Mod-5 Lec-1 Generalized and Principle Coordinates, Derivation of Equation of Motion 59:53
Mod-5 Lec-2 Lagranges's Equation 59:23
Mod-5 Lec-3 Coordinate Coupling 1:00:18
Mod-5 Lec-4 Forced Harmonic Vibration 58:06
Mod-6 Lec-1 Tuned Absorber, Determination of Mass Ratio 59:29
Mod-6 Lec-2 Tuned and Damped Absorber, Untuned Viscous Damper 59:11
Mod-7 Lec-1 Derivation of Equations of Motion, Influence Coefficient Method 1:00:02
Mod-7 Lec-2 Properties of Vibrating Systems: Flexibility & Stiffness Matrices, Reciprocity Theorem 57:37
Mod-7 Lec-3 Modal Analysis: Undamped 59:05
Mod-7 Lec-4 Modal Analysis: Damped 59:01
Mod-8 Lec-1 Simple Systems With One Two or Three Discs Geared System 59:00
Mod-8 Lec-2 Multi-Degree of Freedom Systems-Transfer Matrix Method Branched System 1:02:25
Mod-9 Lec-1 Derivation of Equations of Motion Part 1-Newton's and Hamilton's Principle 58:24
Mod-9 Lec-2 Derivation of Equations of Motion Part 2-Newton's and Hamilton's Principle 59:53
Mod-9 Lec-3 Vibration of Strings 57:00
Mod-9 Lec-4 Longitudinal and Torsional Vibration of Rods 1:00:59
Mod-9 Lec-5 Transverse Vibration of Beams, Equations of Motion and Boundary Conditions 58:43
Mod-9 Lec-6 Transverse Vibration of Beams: Natural Frequencies and Mode Shapes 59:51
Mod-10 Lec-1 Rayleigh's Energy Method 1:00:03
Mod-10 Lec-2 Matrix Iteration Method 1:00:11
Mod-10 Lec-3 Durkerley, Rayleigh-Ritz and Galerkin Method 58:54
Mod-11 Lec-1 Finite Element Formulation for Rods, Gear Train and Branched System 1:08:11
Mod-11 Lec-2 Finite Element Formulation for Beams: Galerkin's Method 58:25
Mod-11 Lec-3 Global Finite Element Assembly and Imposition of Boundary Conditions 59:51
Mod-12 Lec-1 Vibration Testing Equipments: Signal Measurements 1:00:14
Mod-12 Lec-2 Vibration Testing Equipments: Signal Analysis 55:53
Mod-12 Lec-3 Field Balancing of Rotors 57:47
Mod-12 Lec-4 Condition Monitoring 45:31

Rajiv Tiwari: Theory & Practice of Rotor Dynamics (IIT Guwahati)

# playlist of the 42 videos (click the up-left corner of the video)

source: nptelhrd    2014年4月9日
Mechanical - Theory & Practice of Rotor Dynamics by Prof. Rajiv Tiwari, Department of Mechanical Engineering, IIT Guwahati. For more details on NPTEL visit http://nptel.ac.in

Mod-01 Lec-01 Introduction 50:29
Mod-01 Lec-02 A Brief History of Rotor Dynamics 51:34
Mod-01 Lec-03 The State of the Art of Rotor Dynamics 53:49
Mod-02 Lec-01 Simple Rotor Models with Rigid Bearings 53:05
Mod-02 Lec-02 Jeffcott Rotor Model 46:56
Mod-02 Lec-03 Variant of Jeffcott Rotor Model 50:31
Mod-03 Lec-01 Rigid Rotor Mounted on Simple Anistropic Springs as Bearings 51:56
Mod-03 Lec-02 Rigid Rotor Mounted on Complex Anisotropic Bearings 50:22
Mod-03 Lec-03 Flexible Shaft with a Rigid Disc Mounted on Anistropic Supports 54:44
Mod-04 Lec-01 Gyroscopic Effects : Synchronous whirl of a Rotor Systems with a thin Disc 51:20
Mod-04 Lec-02 Gyroscopic Effects : Synchronous and Asynchronous pure wobbling motions 46:14
Mod-04 Lec-03 Gyroscopic Effects : Asynchronous whirl of a Rotor system with a thin Disc 57:15
Mod-04 Lec-04 Gyroscopic Effects : Asynchronous whirl analysis with Dynamic Approach 49:25
Mod-05 Lec-01 Torsional Vibrations: Simple Rotor Systems 51:08
Mod-05 Lec-02 Three Disc Rotor System 46:48
Mod-05 Lec-03 Transfer Matrix Approach I 50:53
Mod-05 Lec-04 Transfer Matrix Approach II 43:36
Mod-05 Lec-05 Transfer Matrix Approach III 51:39
Mod-05 Lec-06 Geared and Branched Systems 52:07
Mod-05 Lec-07 Continuous System and Finite Element Method 51:12
Mod-05 Lec-08 Finite Element Method 1:39:14
Mod-05 Lec-09 Finite Element Analysis 52:19
Mod-05 Lec-10 Finite Element Analysis III 53:00
Mod-06 Lec-01 Influence Coefficient Method 50:22
Mod-06 Lec-02 Transfer Matrix Method I 50:04
Mod-06 Lec-03 Transfer Matrix Method II 48:38
Mod-06 Lec-04 Transfer Matrix Method III 56:11
Mod-06 Lec-05 Continuous System Approach 50:06
Mod-06 Lec-06 Finite Element Method I 52:15
Mod-06 Lec-07 Finite Element Method II 52:12
Mod-06 Lec-08 Finite Element Method III 53:36
Mod-07 Lec-01 Instability in Rotor Systems: Bearings 1:12:09
Mod-07 Lec-02 Fluid-Film Bearings 47:25
Mod-07 Lec-03 Internal Damping & Asymmetrical Shaft 50:48
Mod-07 Lec-04 Steam Whirl and Seals 50:15
Mod-07 Lec-05 Subcritical Speed Whirl 51:29
Mod-08 Lec-01 Introduction to Rigid Rotor Balancing 49:13
Mod-08 Lec-02 Dynamic Balancing of Rotors: Rigid Rotor Balancing 52:52
Mod-08 Lec-03 Dynamic Balancing of Rotors:Flexible Rotor Model Balancing 50:42
Mod-08 Lec-04 Dynamic Balancing of Rotors:Influence Coefficient Method for Flexible Rotor 55:53
Mod-09 Lec-01 Common Faults & Vibration signatures 49:08
Mod-09 Lec-02 Condition Based Monitiring 45:25