One of the main problems encountered in developing and building an acoustic guitar is to establish a formal methodology that allows us to observe the impact of some parameters involved in the process. This paper propose a modal analysis in the different stages of construction, and it is performed by -a finite element analysis of the soundboard of the instrument according to the relationship that that have the- frequencies and vibration modes, here, a set of certain parameters in the design are used to improve sound performance.
Key words: Vibration analysis, modal analysis, acoustic guitar.
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