Abstract
The body of a classical guitar (consiting of the rib, back plate, top plate with bridge and fan bracing, soundhole and wooden block) which had been performed by 3‐D finite element method (FEM) was presented at the 151st meeting of the ASA (session 3aMU3 in Providence, RI). As a submittal, a real guitar was used whose geometrical parameters had precisely been modeled using a computer. The resulting computation has subsequently been matched to the measurements of an acoustical holography taken from the same guitar body. This time the aim was to demonstrate how closely the FEM model resembles the “real” sound radiation of the guitar. Acoustic holography graphically displays the characteristics of sound radiation from a given body. Again the mode‐shapes are of interest, but this time the characteristics of the sound in relation to the frequencies are of greater importance. They demonstrate how realistic the modulation is compared to the actual acoustics of the guitar.
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