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

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

Abstract

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.
Published
2002-09-01
How to Cite
1.
Langlois C, Atalla N. A fully hierarchical finite elements code for solving coupled elasto-poro-acoustic problems. Canadian Acoustics [Internet]. 2002Sep.1 [cited 2019Sep.19];30(3):76-7. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1462
Section
Proceedings of the Acoustics Week in Canada