Efficient method based on multipole expansion for predicting the sound power of baffled plane plates

Auteurs-es

  • Stéphane Paquay LTAS-Dynamique des Structures, Univ. de Liège au Sart Tilman, Chemin des Chevreuils 1 (B52), B-4000 Liège, Belgium

Mots-clés :

Acoustic intensity, Acoustic variables measurement, Boundary element method, Integral equations, Pressure measurement, Vibrations (mechanical), Plane plates, Rayleigh integral, Sound power measurement, Source directivity

Résumé

Measuring the radiated power from a vibrating source using the integration of the active acoustic intensity normal to the structure surface, suffers from computational cost and the memory of the computer can also be a limiting factor. The multipole translation theory can be used with fast algorithm to accelerate the computation of pressure on the surface in the boundary elements method. This can also be used to measure source directivity and the radiated acoustic power.

Fichiers supplémentaires

Publié-e

2000-09-01

Comment citer

1.
Paquay S. Efficient method based on multipole expansion for predicting the sound power of baffled plane plates. Canadian Acoustics [Internet]. 1 sept. 2000 [cité 14 mai 2026];28(3):38-9. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1279

Numéro

Vol. 28 No. 3 (2000)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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