My Mechanical Vibration CSUF EGME 431 course web page

Nasser M. Abbasi

Last updated May 22, 2009

Introduction

I took this course in Spring 2009 at CSUF to learn more about Vibration and control of vibration Not part of a degree program. In the Mechanical Eng. department.

class_info

Text Book

book_pic

Instructor

Dr Sang June Oh

sjoh@fullerton.edu 714-278-2458

Course Material

Project

Using Simulink to analyze 2 degrees of freedom system (moved to my main notes)

Exams

exam	My score	Class average	exam
First midterm	100/100	71	PDF
Second midterm	98/100		PDF
Final exam	87/100		PDF

My class notes

PDF

Cheat sheets

First midterm PDF

Quizz

PDF

Homeworks

HW number	Description of HW	Grade	Solution	Key
1	1. Equation of motion of spring mass on an incline surface 2. Equation of motion of pendulum attached to spring 3. Solving 2^nd order ODE’s 4. Equation of motion of mass attached to 2 pulley’s	66/70	HTML Graded solution PDF	PDF
2	1. Find solution to spring mass system with forcing function for different IC’ 2. Compute IC for spring mass system to cause it to oscillate at some frequency 3. Find EQM for spring-damper-mass system on incline surface 4. Car and passengers and different speeds, deflection calculations 5. The unbalanced mass rotating, the washing machine problem	OK	HTML
3	1. Find solution to second order ODE with impulse as input 2. Spring-damper-mass dropped from height h, find resulting EQM 3. Find solution to second order ODE with 2 impulses as input, one delayed. 4. Find response of undamped system to half sin input force, using convolution 5. As above, but the forcing function is triangle looking. Use convolution also. 6. Find Fourier series for sawtooth function 7. Solving 2^nd order ODE with impulse as input using Laplace transform 8. Find shock response spectrum to half-sine input (hard) 9. Find H(s), the transfer function for ODE 10. Find the frequency response for the above H(s), i.e. set s=jw and plot	Ok	HTML	PDF