Abstract
We present the results of using COMSOL modeling tools to explore the resonance structure of prototype guitar top plates fashioned from several different grades of spruce. Comsol provides a platform for applying acoustical analysis to a variety of objects using the finite element method. Our studies utilize these techniques to explore the nature of normal mode vibrations in spruce top plates without bracing. The calculated normal modes will be compared to measured frequencies of prototype top plates. In addition, models of different grades of wood will also be explored in an effort to clarify which wood properties affect specific physical parameters for improved modeling.
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