ME 54.3 - Dynamics of Mechanical Systems
Fall 1998

Instructor:               Professor Pan Michaleris
                              232 Reber Bldg
                              863-7273
                             pxm32@psu.edu
                              Office hours: Monday & Wednesday: 1:30-3:00 p.m.

Teaching Assistant:  Ming-Chang Pai
                              Room 220, Desk 37, Reber building
                              863-0592
                             mxp157@psu.edu
                              Office hours: Tuesday & Thursday  1:00-2:30 p.m.

Text:               Mechanical Vibrations by S.S Rao, 2nd and 3rd Edition.
Addl. Text:      Theory of Vibration with Applications by W.T Thompson an M.D. Dahleh, 5th Edition

Prerequisites:  Math 220, and 251, E Mech 12 and 13, ME 50 



Grading Policy, Class Objectives, Course Conduct, Tentative Schedule, Homework, Projects, Notes



Grading Policy:

   Homework      25% (drop the worst)
   Projects           10%
   Midterms         40%
   Final                25%



Class Objectives:

The course deals with determining the response of mechanical systems to time varying disturbances such as forces, moments, displacements, etc.  The response is expressed in terms of varying displacements or stresses.  The mechanical systems are represented (modeled) as combinations of energy storage and energy dissipative components such as springs, masses and dampers.  Typical examples/applications of such systems include: car suspensions, aircraft landing gears, ship propulsion systems, machine tool drives, etc.

The course utilizes mathematical techniques covered in earlier mathematics courses such as ordinary differential equations with constant coefficients, Fourier analysis, Laplace transforms and the convolution integral.  We will utilize computers where appropriate to facilitate solutions of more complex problems.



Course Conduct:

Tentative schedule

This is a tentative schedule and it should be used only as a guideline.  This schedule may be changed and it is the student’s responsibility to be aware of any changes, which will be announced in the class.

Date  Reading  Topic     Reading Problems
W 8/26  1.1-6  Introduction, Concepts
F 8/28  1.7-10  Elements of Vibratory Systems  1.1,2,4,5,12,13
M 8/31  2.1-2  Equations of Motion, Newton’s Laws 1.19,24,25,28,29
W 9/2  notes  Energy Methods
F 9/4  notes  Differential Equations Review
M 9/7    no class
W 9/9  2.3-4  Free Vibration of Undamped SDOF’s 2.1,4,5,6,8
F 9/11  2.5  Free Vibration of Undamped SDOF’s 2.11,12,13-16,19,24,27,28
M  9/14  2.6-7  Free Vibration of Damped SDOF’s  2.49,52,55,60,62,79-84,97
W  9/16  3.1-3  Forced Vibration of Undamped SDOF’s 3.1,2,6
F 9/18  3.4-5  Forced Vibration of Damped SDOF’s 3.7,8-11,15-18
M 9/21  3.6  Base Excitation    3.21,22,24, 25
W 9/23  3.7  Rotating Unbalance   3.27-32
F 9/25  3.8-10  Equivalent Viscous Damping   3.42,45,54,55
M 9/28    Examples
W 9/30    EXAM 1.  Time: 6:30-7:45 pm,  Location:  106 Sackett
F 10/2  notes  Assign Lab Project
M 10/5  1.11  Fourier Series    1.62-65,67-70
W 10/7   4.1-3  Fourier Series    4.1-4,6,8
F 10/9     Examples
M 10/12 4.4  Convolution Integral   4.12,13
W 10/14 4.5  Convolution Integral   4.17-21,22,23
F 10/16   Examples
M 10/19 4.7  Laplace Transforms   4.46-47
W 10/21   Examples
F 10/23   Assign  Computer Project
M 10/26 5.1-2  Multiple Degree of Freedom Sustems
W 10/28 5.3  Free Vibration of MDOF’s1  5.1,3
F 10/30 notes  Matrix Review
M 11/2  5.3  The Eigenvalue Problem   5.5-7
W 11/4  5.4   Torsional Systems.   5.19,20
F 11/6  notes  Free Vibration of Damped MDOF’s
M 11/9  5.6  Forced Vibration of Undamped MDOF’s 5.24,25-27,30,31
W 11/11    Examples
F 11/13   Examples
M 11/16   EXAM 2. Time: 6:30-7:45 pm,  Location:  327 Sackett
W 11/18 10.3  Vibration Measuring Instruments  10.2,5,11-14
F 11/20 9.10  Vibration Absorbers   9.43,44,52,53
M 11/23 9.6-9  Vibration Control Strategies
W 11/25   no class
F 11/27   no class
M 11/30 8.1-8.2  Continuous Systems, Wave Equation 8.2,6
W  12/2  8.3-4  Vibrating Strings    8.19,21
F 12/4  8.5  Transverse Vibration of Beams  8.33-34
M 12/7    Review
W 12/9    Review
F 12/11   Review

W 12/16 FINAL EXAM. Time: 10:10am, Location 165 Willard



Homework

Homework 1
Homework 2
Homework 3
Homework 4
Homework 5:  Problem 3.52 in textbook
Homework 6
Homework 7
Homework 8



Projects

Lab 1
Computer Project
Lab 2



Notes

Single degree of freedom sytems
Matrix Review 1, 2, 3



Last Updated: 9/19/98