Comparison of pressure and displacement formulations for finite elements in linear time-harmonic acoustics
Ver/Abrir
Use este enlace para citar
http://hdl.handle.net/2183/40586
Excepto si se señala otra cosa, la licencia del ítem se describe como Atribución-NoComercial-SinDerivadas 4.0 Internacional
Colecciones
- Investigación (FIC) [1615]
Metadatos
Mostrar el registro completo del ítemTítulo
Comparison of pressure and displacement formulations for finite elements in linear time-harmonic acousticsFecha
2015-04-15Cita bibliográfica
Retka, S., Hervella-Nieto, L., & Marburg, S. (2015). Comparison of pressure and displacement formulations for finite elements in linear time-harmonic acoustics. Computers & Structures, 151, 49-57. https://doi.org/10.1016/j.compstruc.2015.01.009
Resumen
[Abstract]: In this article, we compare the finite element solution of the pressure and the displacement formulations for the acoustic problem in the frequency domain. The Helmholtz differential equation is solved for both, the spectral and the source problems, and each of these is formulated in terms of pressure and displacement. The pressure formulation allows to use standard Lagrangian elements whereas Raviart–Thomas elements are applied for the displacement formulation. Both formulations are tested in several examples. It is shown that Raviart–Thomas elements account for a reasonable alternative to Lagrangian elements in some cases.
Palabras clave
Raviart–Thomas elements
Source problem
Spectral problem
Source problem
Spectral problem
Descripción
This version of the article: Retka, S., Hervella-Nieto, L., & Marburg, S. (2015). ‘Comparison of pressure and displacement formulations for finite elements in linear time-harmonic acoustics’ has been accepted for publication in: Computers & Structures, 151, 49-57. The Version of Record is available online at https://doi.org/10.1016/j.compstruc.2015.01.009.
Versión del editor
Derechos
Atribución-NoComercial-SinDerivadas 4.0 Internacional © 2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/.
ISSN
0045-7949
1879-2243
1879-2243