Vibration Characteristic of Violin Bowstring and Experimental Research on Helmholtz Motion of String

The sound source of violin is string vibration. By the stick–slip friction action between bow and string of violin, string and bridge form a complicated vibration system. The interaction mechanism of bowstring is very intricacy. In this paper, through theoretical analysis and experiment, the vibrati...

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Bibliographic Details
Published in:Key engineering materials 2014-08, Vol.621, p.707-711
Main Authors: Niu, J.Y., Zhang, Cheng Zhong, Ye, Bang Yan, Liu, Jian Ping, Liang, S.S., Zhao, X.Z.
Format: Article
Language:English
Subjects:
Displacement
Friction
High speed
Platforms
Sawtooth waveforms
Sound sources
Strings
Vibration
Violins
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Summary:The sound source of violin is string vibration. By the stick–slip friction action between bow and string of violin, string and bridge form a complicated vibration system. The interaction mechanism of bowstring is very intricacy. In this paper, through theoretical analysis and experiment, the vibration behavior of violin string is investigated. We measured the vibration images of bowing and plucking violin string on a high-speed photography optical platform and got two different character of string vibration, including vibration displacement, velocity and space trajectory of the mark point on string. By comparing the displacement curves of the different points among on string, the variety of the ratio of positive process time to negative one of vibration sawtooth waveform are studied, and also the formation process of string vibration enveloping curve. On this basis, the Helmholtz motion of string vibration which is presented at 1862 is studied.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.621.707