Author:
Colinot Tom,Guillot Louis,Vergez Christophe,Guillemain Philippe,Doc Jean-Baptiste,Cochelin Bruno
Abstract
This paper presents how the bifurcation diagram of a saxophone model is affected by the contact force limiting the displacement of the reed when it strikes the mouthpiece lay. The reed impact is modeled by a nonlinear stiffness and damping activated by contact with the lay. The impact
model is compared with the "ghost reed" simplification, where the reed moves through the lay unimpeded. Bifurcation diagrams in both cases are compared, in terms of amplitude of the oscillations and location of the bifurcations, on the solution branches corresponding to the first and second
register. The ghost reed simplification has limited influence at low values of the blowing pressure parameter: the diagrams are similar. This is true even for "beating reed" regimes, in which the reed coincides with the lay. The most noticeable discrepancies occur near the extinction of the
oscillations, at high blowing pressure.
Publisher
Wissenschaftliche Verlagsgesellschaft mbH
Subject
Music,Acoustics and Ultrasonics
Cited by
10 articles.
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