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Mechanical Engineering

Dissertations, Master's Theses and Master's Reports - Open

Modal Analysis

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Test-Analysis Model Correlation And Calibration Of A Multi-Component Plastic Part, Steven P. Carter Jan 2014

Test-Analysis Model Correlation And Calibration Of A Multi-Component Plastic Part, Steven P. Carter

Dissertations, Master's Theses and Master's Reports - Open

The goal of this project is to learn the necessary steps to create a finite element model, which can accurately predict the dynamic response of a Kohler Engines Heavy Duty Air Cleaner (HDAC). This air cleaner is composed of three glass reinforced plastic components and two air filters. Several uncertainties arose in the finite element (FE) model due to the HDAC’s component material properties and assembly conditions. To help understand and mitigate these uncertainties, analytical and experimental modal models were created concurrently to perform a model correlation and calibration. Over the course of the project simple and practical methods were …


Reverse Engineering The Structural And Acoustic Behavior Of A Stradivari Violin, Michael A. Pyrkosz Jan 2013

Reverse Engineering The Structural And Acoustic Behavior Of A Stradivari Violin, Michael A. Pyrkosz

Dissertations, Master's Theses and Master's Reports - Open

There is a tremendous amount of mystery that surrounds the instruments of Antonio Stradivari. There have been many studies done in the past, but no one completely understands exactly how he made his instruments, or why they are still considered the best in the world. This project is designed to develop an engineering model of one of Stradivari's violins that will accurately simulate the structural and acoustic behavior of the instrument. It also hopes to shine some light on what makes the instruments of Stradivari unique when compared to other violins. It will focus on geometry and material properties, utilizing …