Mechanical vibrations modal analysis project with arduinos

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6 Scopus citations

Abstract

This paper details a new laboratory project in a senior-level Mechanical Engineering Vibrations course. Students are to determine the first four natural frequencies of a 6061 Aluminum free-free beam in a laboratory using three methods. First, they use the idealized theoretical continuous beam model. Second, they use Finite Element Analysis (FEA). Finally, they determine the frequencies experimentally. Using student survey data, it is shown that the project bolstered the following skills: (1) use of measurement equipment to acquire and transmit real-world data, (2) performing a Discrete Fourier Transform (DFT) and creating the Power Spectral Density (PSD) plot of empirical data, (3) creating and modifying FEA code in MATLAB to find natural frequencies and test for convergence of results and (4) connecting the distinct topics of the course together.

Original languageEnglish (US)
JournalASEE Annual Conference and Exposition, Conference Proceedings
Volume2017-June
StatePublished - Jun 24 2017
Event124th ASEE Annual Conference and Exposition - Columbus, United States
Duration: Jun 25 2017Jun 28 2017

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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