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Proceedings of the Stockholm Music Acoustics Conference, August 6-9, 2003 (SMAC 03), Stockholm, Sweden BOWED STRING SIMULATION USING AN ELASTO-PLASTIC FRICTION MODEL
 

Summary: Proceedings of the Stockholm Music Acoustics Conference, August 6-9, 2003 (SMAC 03), Stockholm, Sweden
BOWED STRING SIMULATION USING AN ELASTO-PLASTIC FRICTION MODEL
Stefania Serafin Federico Avanzini Davide Rocchesso
CCRMA, Dept. of Music Dip. Ing. dell'Informazione Dip. Informatica
Stanford University University of Padova University of Verona,
The Knoll, 660 Lomita Via Gradenigo 6/A, Strada Le Grazie, 15
3Stanford, CA, 94309 5131 - Padova, Italy 37134 - Verona, Italy
serafin@ccrma.stanford.edu avanzini@dei.unipd.it rocchesso@sci.univr.it
ABSTRACT
This paper proposes a digital waveguide model of a bowed string
in which the interaction between the bow and the string is mod-
eled using an elasto-plastic friction model. The interaction model
is presented, and its advantages with respect to usual static mod-
els are discussed. Details about the numerical implementation are
addressed. Numerical simulations show that a hysteresis loop in
the friction versus velocity plane is created, which is qualitatively
compatible with experiments on real instruments and with the be-
havior of a recently proposed thermodynamical friction model ap-
plied to bowed string simulations.
1. INTRODUCTION

  

Source: Avanzini, Federico - Department of Information Engineering, UniversitÓ degli Studi di Padova

 

Collections: Computer Technologies and Information Sciences