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Article dans une revue

Buckling Instability of a Violin Bow

Abstract : This paper addresses the phenomenon of lateral buckling that could occur on an improperly adjusted violin bow during playing. A finite-element model taking into account geometric nonlinearity is used to simulate the static response of a tightened bow to the applied bow force. It is shown that the addition of a small lateral perturbation load enables out-of-plane buckling of the stick once the bow force reaches a certain value. The link between this critical bow force and the critical tension of the bow is clarified. The way the perturbation load smoothes the transition between in-plane and out-of-plane deformation of the stick is illustrated. The influence of camber (curvature of the stick) on buckling is examined. A possible way to increase the lateral stability of a bow without altering its vertical stiffness is proposed.
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Article dans une revue
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https://hal.archives-ouvertes.fr/hal-02537521
Contributeur : Frédéric Ablitzer <>
Soumis le : mercredi 8 avril 2020 - 22:00:01
Dernière modification le : jeudi 19 novembre 2020 - 15:38:54

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Frédéric Ablitzer, Nicolas Dauchez, Jean-Pierre Dalmont. Buckling Instability of a Violin Bow. Acta Acustica united with Acustica, Hirzel Verlag, 2017, 103 (5), pp.803-811. ⟨10.3813/AAA.919109⟩. ⟨hal-02537521⟩

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