Mod-02 Lec-08 L8-Forced Vibrations, Dynamic Magnification Factor

Course Lectures

• Mod-01 Lec-01 L1-Introduction

  Dr. Deepankar Choudhury

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• Mod-02 Lec-02 L2-Degrees of Freedom, SDOF System, Types of Vibrations

  Dr. Deepankar Choudhury

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• Mod-02 Lec-03 L3-SDOF System, Types of Vibrations, Free Vibration

  Dr. Deepankar Choudhury

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• Mod-02 Lec-04 L4-Problems on Tortional Motion

  Dr. Deepankar Choudhury

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• Mod-02 Lec-05 L5-Damped Free Vibrations

  Dr. Deepankar Choudhury

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• Mod-02 Lec-06 L6-Damped Free Vibrations, Definition of Critical Damping and problems

  Dr. Deepankar Choudhury

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• Mod-02 Lec-07 L7-Decay of Motion

  Dr. Deepankar Choudhury

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• Mod-02 Lec-08 L8-Forced Vibrations, Dynamic Magnification Factor

  Dr. Deepankar Choudhury

  Playing
• Mod-02 Lec-09 L9-Maxwells Diagram of DMF, Discussion on Phase

  Dr. Deepankar Choudhury

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• Mod-02 Lec-10 L10-Transmissibility Ratio, Response to Arbitrary, Step and Pulse Excitations

  Dr. Deepankar Choudhury

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• Mod-02 Lec-11 L11-Response to Arbitrary, Step and Pulse Excitations, Response to Impact Load

  Dr. Deepankar Choudhury

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• Mod-02 Lec-12 L12-Vibration Isolation, Vibrations Measuring Instruments

  Dr. Deepankar Choudhury

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• Mod-02 Lec-13 L13-Solutions of Quiz Questions, Multi-Degree of Freedom (MDOF) Systems

  Dr. Deepankar Choudhury

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• Mod-02 Lec-14 L14-(MDOF) System : Equation of Motion, Longitudinal Waves in an Infinitely long rod

  Dr. Deepankar Choudhury

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• Mod-03 Lec-15 L15-3 Dimensional Wave Propagation, Waves in semi-infinite media, Rayleigh Wave

  Dr. Deepankar Choudhury

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• Mod-03 Lec-16 L16-Love Wave, Waves in layered medium, 3D case-Inclined wave, Earthquake Waves

  Dr. Deepankar Choudhury

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• Mod-03 Lec-17 L17-Earthquake Waves; P-waves, S-waves, 3 circle method

  Dr. Deepankar Choudhury

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• Mod-04 Lec-18 L18-Stresses in Soil Element, Field Tests, Seismic Reflection Test

  Dr. Deepankar Choudhury

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• Mod-04 Lec-19 L19-Seismic Refraction Test, SASW Test, Laboratory & Model Tests

  Dr. Deepankar Choudhury

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• Mod-04 Lec-20 L20-Centrifuge Tests Stress Strain Behavior of Cyclically Loaded Soils

  Dr. Deepankar Choudhury

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• Mod-04 Lec-21 L21-Estimation of Gmax, Modulus Reduction Curves

  Dr. Deepankar Choudhury

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• Mod-04 Lec-22 L22-Liquefaction, Preliminary sceening, Simplified Procedure for Liquefaction

  Dr. Deepankar Choudhury

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• Mod-04 Lec-23 L23-Cyclic Stress Ratio, Evaluation of CRR, Correction Factors, Corrections for SPT

  Dr. Deepankar Choudhury

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• Mod-04 Lec-24 L24-Becker Penetrometer Test (BPT), Cone Penetrometer Test (CPT), SPT v BPT, SASW Test

  Dr. Deepankar Choudhury

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• Mod-05 Lec-25 L25-Types of Machine Foundations, Methods of Analysis

  Dr. Deepankar Choudhury

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• Mod-05 Lec-26 L26-Tschebotarioff's

  Dr. Deepankar Choudhury

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• Mod-05 Lec-27 L27-Problem on Tschebotarioff's method contd., Mass-Spring-Dashpot (MSD) Model

  Dr. Deepankar Choudhury

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• Mod-05 Lec-28 L28-MSD Model- Yawing mode of Vibration, Use of MSD model for analysis

  Dr. Deepankar Choudhury

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• Mod-05 Lec-29 L29-Problems on Use of MSD Model for Analysis, Rocking mode of Vibrations

  Dr. Deepankar Choudhury

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• Mod-05 Lec-30 L30-Torsional Mode/Yawing Mode, Constant Force type excitation, EHS Theory

  Dr. Deepankar Choudhury

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• Mod-05 Lec-31 L31-EHS Theory, Vibrational Control

  Dr. Deepankar Choudhury

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• Mod-05 Lec-32 L32-Use of EHS Theory for analysis

  Dr. Deepankar Choudhury

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• Mod-05 Lec-33 L33-Use of EHS Theory for analysis II

  Dr. Deepankar Choudhury

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• Mod-06 Lec-34 L34-Liquefaction mitigation methods,Vibro Compaction,Densification Techniques

  Dr. Deepankar Choudhury

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• Mod-06 Lec-35 L35-Soil Improvement methods,Dynamic Compaction,Reinforcement Techniques

  Dr. Deepankar Choudhury

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• Mod-07 Lec-36 L36-Force-based Analysis,Dynamic analysis using MSD model

  Dr. Deepankar Choudhury

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• Mod-07 Lec-37 L37-Behaviour of Subgrade Soil below Rail Track

  Dr. Deepankar Choudhury

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• Mod-07 Lec-38 L38-Quiz

  Dr. Deepankar Choudhury

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