MAE 340: Mechanical Vibrations

Spring 2015

Course Syllabus - updated 1/22/2015

Exams

Exam 1 Practice Questions (Solutions)

Exam 2 Practice Questions (Solutions)

Final Exam - Practice Questions (Solutions)

Lectures

1/8 Introduction to Mechanical Vibrations (printable)

In-class example problems - updated 1/22/2015

Videos: Tacoma Narrows bridge collapse

Breaking a wine glass using resonance (newer version)

CH-47 (military helicopter) ground test (side view)

Blade 400 (model helicopter) vibration problems

CAD models for pendulum simulation

1/24 Viscous Damping (printable)

In-class example problems

1/29 Energy Methods (printable)

In-class example problems

2/3 Stiffness

2/7 Measurements

2/14a Design Considerations

2/14b Stability

2/17 Numerical Simulation (printable)

2/19 Coulomb Damping (printable)

In-class example problem

2/26 Harmonic Excitation of Undamped Systems (printable)

In-class example problems

3/3 Harmonic Excitation of Damped Systems (printable)

3/5 Base Excitation (printable)

In-class example problems

3/19 Rotating Unbalance (printable)

In-class example problems

3/24 Measurements (printable)

In-class example problems

3/26 Other Forms of Damping (printable)

In-class example problem

3/28 Numerical Simulation of Non-linear Response (printable)

4/24 Multi-Degree-of-Freedom Systems (printable)

Linear algebra review

In-class example problem - not covered due to time

4/27 Finite Element Analysis of Vibrations (in ELAB 231) (download bridge.sldprt)

Result I want to show you.

4/29 MDOF System Response - Direct Method

4/29 Modal Analysis (printable)

4/31 Vibration Suppression (printable)

In-class example problems