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Course Description
Linear free and forced response of single and multiple degree-of-freedom systems; Structural vibrations of strings, rods, shafts, beams, rings, and plates; Design, selection, and use of vibration instrumentation; Signal analysis for vibration; Experimental modal analysis; Frequency response measurements using impact hammers, modal exciters, and shakers; Modal parameter extraction; Vibration control; Damage detection and condition monitoring; Vibration of spinning components and structures; Demonstrations will be used to support theory. Use of MATLAB.
Prerequisites: ME4200 or Graduate standing.
Vibration Equipment
Modal Impact Hammer
Accelerometers
Electrodynamic Shaker, Slip Table, and Controller
Laboratory Experiments and Hands-On Activities
Natural frequency from period measurements.
Oscilloscope, signal conditioner, and accelerometer for vibration measurements.
Effect of hammer tip on impulse excitations.
Effect of accelerometer sensitivity on vibration measurements.
Effect of accelerometer mass on vibration measurements.
Impact testing for FRF.
Modal parameter extraction.
Swept sine testing.
Piezoelectric beam vibration energy harvesting.
Dynamic material characterization of elastomers.
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