Numerical simulation of a guitar

Eliane Bécache 1 Antoine Chaigne 2 Grégoire Derveaux 1 Patrick Joly 1
1 POEMS - Propagation des Ondes : Étude Mathématique et Simulation
Inria Saclay - Ile de France, UMA - Unité de Mathématiques Appliquées, CNRS - Centre National de la Recherche Scientifique : UMR7231
Abstract : The purpose of this study is to present a time-domain numerical modeling of the guitar. The model involves the transverse displacement of the string excited by a force pulse, the flexural motion of the soundboard and the sound radiation in the air. We use a specific spectral method for solving the Kirchhoff-Love's dynamic plate model for orthotropic material, a fictitious domain method for solving the fluid-structure interaction and a conservative scheme for the time discretization. One of the originality of the proposed scheme is a stable coupling method between a continuous time resolution and a discrete one.
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Eliane Bécache, Antoine Chaigne, Grégoire Derveaux, Patrick Joly. Numerical simulation of a guitar. Computers and Structures, Elsevier, 2005, Advances in Analysis of Fluid Structure Interaction, 83 (2-3), pp.107-126. ⟨10.1016/j.compstruc.2004.04.018⟩. ⟨hal-00982757⟩

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