Lecture 3 of 38Vibration Theory
L3-SDOF System, Types of Vibrations, Free Vibration
Dr. Deepankar Choudhury · IIT Bombay
Credits and licence
- From
- Soil Dynamics, IIT Bombay (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
- Who can watch
- Tweens profiles and older. How courses are placed
All the lectures
- L1-Introduction
- L2-Degrees of Freedom, SDOF System, Types of Vibrations
- L3-SDOF System, Types of Vibrations, Free Vibration
- L4-Problems on Tortional Motion
- L5-Damped Free Vibrations
- L6-Damped Free Vibrations, Definition of Critical Damping and problems
- L7-Decay of Motion
- L8-Forced Vibrations, Dynamic Magnification Factor
- L9-Maxwells Diagram of DMF, Discussion on Phase
- L10-Transmissibility Ratio, Response to Arbitrary, Step and Pulse Excitations
- L11-Response to Arbitrary, Step and Pulse Excitations, Response to Impact Load
- L12-Vibration Isolation, Vibrations Measuring Instruments
- L13-Solutions of Quiz Questions, Multi-Degree of Freedom (MDOF) Systems
- L14-(MDOF) System : Equation of Motion, Longitudinal Waves in an Infinitely long rod
- L15-3 Dimensional Wave Propagation, Waves in semi-infinite media, Rayleigh Wave
- L16-Love Wave, Waves in layered medium, 3D case-Inclined wave, Earthquake Waves
- L17-Earthquake Waves; P-waves, S-waves, 3 circle method, Estimation of Earthquake Epicentre
- L18-Stresses in Soil Element, Field Tests, Seismic Reflection Test
- L19-Seismic Refraction Test, SASW Test, Laboratory & Model Tests
- L20-Centrifuge Tests Stress Strain Behavior of Cyclically Loaded Soils
- L21-Estimation of Gmax, Modulus Reduction Curves, Variation of Damping Ratio, Cyclic Plate load Test
- L22-Liquefaction, Preliminary sceening, Simplified Procedure for Liquefaction
- L23-Cyclic Stress Ratio, Evaluation of CRR, Correction Factors, Corrections for SPT
- L24-Becker Penetrometer Test (BPT), Cone Penetrometer Test (CPT), SPT v BPT, SASW Test
- L25-Types of Machine Foundations, Methods of Analysis, Design of Machine Foundations as per IS:2974 (Part-1)-1969
- L26-Tschebotarioff's
- L27-Problem on Tschebotarioff's method contd., Mass-Spring-Dashpot (MSD) Model
- L28-MSD Model- Yawing mode of Vibration, Use of MSD model for analysis
- L29-Problems on Use of MSD Model for Analysis, Rocking mode of Vibrations
- L30-Torsional Mode/Yawing Mode, Constant Force type excitation, EHS Theory
- L31-EHS Theory, Vibrational Control
- L32-Use of EHS Theory for analysis
- L33-Use of EHS Theory for analysis II
- L34-Liquefaction mitigation methods,Vibro Compaction,Densification Techniques
- L35-Soil Improvement methods,Dynamic Compaction,Reinforcement Techniques
- L36-Force-based Analysis,Dynamic analysis using MSD model
- L37-Behaviour of Subgrade Soil below Rail Track
- L38-Quiz