A fully hierarchical finite elements code for solving coupled elasto-poro-acoustic problems

Auteurs-es

  • Christian Langlois Dept. of Mechanical Engineering, University of Sherbrooke, 2500 boulevard de l'Univeriste, Sherbrooke, Que., J1K 2R1, Canada
  • Noureddine Atalla Dept. of Mechanical Engineering, University of Sherbrooke, 2500 boulevard de l'Univeriste, Sherbrooke, Que., J1K 2R1, Canada

Mots-clés :

Elasticity, Finite element method, Frequencies, Plates (structural components), Polynomials, Porous materials, Hierarchical elements

Résumé

A fully hierarchical finite elements code for solving coupled elasto-poro-acoustic problems was presented. The performance of hierarchical elements was compared to linear elements for dynamic problems. The performance was demonstrated for a plate backed by a rigid cavity. The thickness of the plate was 3 mm and the thickness of the cavity was 0.35 m. Results showed that the order of approximation per unit length in the hierarchical code was 33 for the plate and 12.5 for the cavity.

Fichiers supplémentaires

Publié-e

2002-09-01

Comment citer

1.
Langlois C, Atalla N. A fully hierarchical finite elements code for solving coupled elasto-poro-acoustic problems. Canadian Acoustics [Internet]. 1 sept. 2002 [cité 5 mai 2026];30(3):76-7. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1462

Numéro

Vol. 30 No. 3 (2002)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

Licence

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