Mechanical Vibrations’ Fundamentals

سرفصل های دوره

Free vibration, undamped and damped vibration, modeling of vibratory system, vibration time response, frequency response

1. Introduction to mechanical vibrations

1. Why vibration is studied, where vibration exist, what is mechanical vibrations

2. Vibrations basics, Causes of vibrations, Vibrations classification

3. Degree of freedom (DOF) of a vibration-system, SDOF, 2-DOF, multi-DOF systems

2. Free or natural vibrations

1. Undamped natural frequency, equation of motion of SDOF, Newtons & Energy method

2.1 Solved problem1.pdf

2. Modeling of simple pendulum under freenatural vibration, solution linearization

3. Equation of motion of SDOF undamped system under free vibration(harmonic motion)

4. Rayleighs method to determine natural frequency of SDOF undamped system

3. Damped free or natural vibrations

1.1 Solved problem2.pdf

1.2 Solved problem3.pdf

1. Damping, Spring-Mass-damper system under free vibrations

2.1 Solved problem4.pdf

2. Finding damping ratio with logarithmic decrement method, effect of spring mass

4. Forced vibrations

1. SDOF forced vibrations, damped system

2. Response of SDOF damped system under forced vibrations (harmonic excitation)

3. Base excitation (displacement transmissibility) of SDOF damped system

4.1 base excitation solved problem.pdf

4. Base excitation (force transmissibility) of SDOF damped system

5. Rotating unbalance

6. Vibration isolation (force transmitted to the base)

7. Vibration isolation (simulation for amplification and isolation regions)

5. Multi-degree of freedom systems

1. 2-DOF system under free vibrations

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تولید کننده: Udemy