Determination of Nonlinearity Using Transient Vibration of Structures

Joe Dinardo
University of Missouri Department of Mechanical and Aerospace Engineering
Advisor: Dr. Frank Feng


Abstract
This work shall concern the analysis of free vibration of a cantilever beam. More specifically, the relationship between frequency and amplitude, known as hardening or softening, has been investigated. In contrast with previous works of this subject matter, an alternative method of collecting experimental data has been proposed. In addition, a novel method for signal tracking will be utilized and compared to other presently used techniques. Parametric excitation has been proposed in numerous original applications. However, the subject matter of parametrically excited structures has been an issue in which many works have shown experimental data that contradicts theory. The goal of this work is to resolve some of these issues. However, more analysis is necessary including additional experiments and comparisons with analytical results.
Joe Dinardo is from Springfield, Illinois and is attending The University of Missouri. He is currently a first year graduate student, a teacher's assistant, and is pursuing his Master's degree in Mechanical Engineering. This is his second year being sponsored by the MOSGC.
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