Influence des non-linéarités sur les caractéristiques des oscillations des instruments à vent

Noël Grand , Joel Gilbert (1) , F. Laloë

1 LAUM - Laboratoire d'Acoustique de l'Université du Mans

Two simple equations give the minimal modelisation of the acoustical behaviour of woodwind instruments. We discuss the predictions of these equations on the characteristics of the small oscillations, in particular their quasisinusoidal character or finite harmonic content, and stability. We show that, instead of predicting a unique and simple standard behaviour, they introduce a whole series of possible cases, depending on the characteristics of the non linearity and of the resonator.

Domaines: Articles anciens

Noël Grand, Joel Gilbert, F. Laloë. Influence des non-linéarités sur les caractéristiques des oscillations des instruments à vent. Journal de Physique IV Proceedings, 1994, 04 (C5), pp.C5-585-C5-588. ⟨10.1051/jp4:19945124⟩. ⟨jpa-00252800⟩