URI Mechanical Engineering Projects -- Vibrations
Engineering Academy of Southern New England
University of Rhode Island --
Mechanical Engineering Projects
Vibrations
MCE 464 - Vibrations is a senior elective course which provides an
introductory treatment of vibration of lumped-mass systems. Course content
contains free and forced vibration of undamped and damped mechanical systems
with single and multi-degrees of freedom.
The course outline includes:
- Free Undamped Motion
- Free Viscous, Coulomb and Hysteretic Motion
- Harmonically Excited Undamped and Damped Motion
- General Transient Excitation
- Two Degree of Freedom Motion
- Multidegree of Freedom Motion
The text for this course was Mechanical Vibrations, Third Edition, S. Rao,
Addison-Wesley, 1995
As part of the EASNE Product Realization Process, Working Model software has
been introduced in the course to provide students with a computational
method to solve vibration problems. The software is very easy to use and
allows students to build and analyze reasonably complex, two-dimensional
vibratory systems.
Working Model was used in the following ways:
-
demonstration of basic theory through special examples and side-by-side
comparisons
- analysis of complex systems which would be difficult to do by hand calculation
- use as a design and product realization tool to build systems with multiple design
or manufacturing conditions.
All students were provided diskettes with the following Working Model demonstration
models:
Some of these examples were formally presented and discussed using our Champlin Computer
Classroom, while other examples were left to individual student study. Several Working Model
mini-lectures were given during the semester to acquaint students with particular software skills
necessary to use the WM package.
Three Working Model homework assignments,
- Comparison Problem - One Degree of Freedom, Damped Vibration
- Design of an Accelerometer
- Aircraft Wing Design
were given requiring students to construct the model, run the simulation,
perform post-simulation calculations and do some interpretation of the
results. Two of these assigned problems had design/product development
components.
send any comments to Dr. Martin Sadd
(sadd@egr.uri.edu)