Abstract
The acoustical output of the first top plate mode of an assembled violin is usually the largest of any mode in the first 1000 Hz. The frequency of this mode is usually quite near that of the second natural frequency of the air cavity. Since the frequency relationship of these two modes has been found to be an important factor in top plate tuning and in violin quality, it would be desirable to be able to fine tune the top plate mode frequency after the instrument has been assembled and the critical frequencies have been determined. A finite element program has been used to determine the most sensitive top plate areas where wood removal would reduce the top plate frequency. In the program, no out‐of‐plane motions were permitted at the edges of the plate and at the sound post and no rotations at the end and corner blocks. The most sensitive areas are found to be at the ends of the bass bar, at the upper end of the F hole on the bass bar side, and at the sound post.
Published Version
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