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Transient wave response of the violin body
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
Luleå tekniska universitet.
1990 (English)In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 88, no 5, p. 2479-2481Article in journal (Refereed) Published
Abstract [en]

In this investigation, the dispersive, transient wave propagation field of a complete violin excited by a mechanically induced impulse at the top of the bridge is presented. By means of double pulsed holographic interferometry with a ruby laser as light source the propagating wave field is recorded. From presented interferograms, it is seen that initially the top plate acts mainly as a nonsymmetric dipole with centers at the two bridge feet. The back plate is strongly coupled to the motion of the top plate by the sound post and acts more like a monopole. Thus the position of the sound post is crucial to the performance of the instrument. The free edges at the f-holes are very early reached by the dispersive bending waves of high amplitude probably giving a significant contribution to the sound of the violin family instruments

Place, publisher, year, edition, pages
1990. Vol. 88, no 5, p. 2479-2481
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-11921DOI: 10.1121/1.400089ISI: A1990EH61400043Scopus ID: 2-s2.0-0025221312Local ID: af3b0130-02b8-11dc-ad0a-000ea68e967bOAI: oai:DiVA.org:ltu-11921DiVA, id: diva2:984871
Note
Godkänd; 1990; 20070515 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Molin, Nils-ErikWåhlin, Anders

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