Numerical and experimental characterization of the transmission loss of complex composite panels

  • Maxime Bolduc Grp. d'Acoust. l'Univ. de Sherbrooke, Université de Sherbrooke, Sherbrooke, Qué. J1K 2R1, Canada
  • Raymond Panneton Grp. d'Acoust. l'Univ. de Sherbrooke, Université de Sherbrooke, Sherbrooke, Qué. J1K 2R1, Canada
  • Noureddine Atalla Grp. d'Acoust. l'Univ. de Sherbrooke, Université de Sherbrooke, Sherbrooke, Qué. J1K 2R1, Canada
  • Jean-Luc Wojtowicki Grp. d'Acoust. l'Univ. de Sherbrooke, Université de Sherbrooke, Sherbrooke, Qué. J1K 2R1, Canada
Keywords: Acoustic noise, Acoustic wave transmission, Boundary element method, Composite materials, Finite element method, Noise abatement, Porosity, Radiation impedance matrix, Sound transmission losses

Abstract

A numerical method was used to predict the sound transmission loss of simple and complex composite panels. The configurations which were used are a simple plate, an air-filled double plate, and a double plate with cavity absorption. Both the finite element method and boundary element method are used for numerical calculations. The experimental setup is a coupled anechoic-reverberant room. Two sources are used to generate the diffuse sound field.
Published
2000-09-01
How to Cite
1.
Bolduc M, Panneton R, Atalla N, Wojtowicki J-L. Numerical and experimental characterization of the transmission loss of complex composite panels. Canadian Acoustics [Internet]. 2000Sep.1 [cited 2019Sep.19];28(3):104-5. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1311
Section
Proceedings of the Acoustics Week in Canada