A weak solution of the coupled, acoustic-elastic, wave propagation problem for a flexible porous material is proposed for a 3-D continuum. Symmetry in the matrix equations; with respect to both volume, i.e. 'porous frame'-'pore fluid', and surface, i.e. 'porous frame/pore fluid'-'non-porous media',
✦ LIBER ✦
Numerical simulation of the wave equation with discontinuous coefficients by nonconforming finite elements
✍ Scribed by M. Azaïez; F. Ben Belgacem; H. El Fekih; M. Ismaïl
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 387 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0749-159X
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✦ Synopsis
The goal of this article is to apply the mortar finite element method to the numerical simulation of (electromagnetic and/or acoustic) waves propagating in an inhomogeneous support. This approach allows us to use meshes well adapted to the local physical parameters of the media without any conformity constraints. A complete mathematical study is supplied providing the expected optimal convergence rate. Numerical performances of such a technique, as well as its advantages, are also discussed.
📜 SIMILAR VOLUMES
A 3-D, symmetric, finite element formula
✍
Peter Göransson
📂
Article
📅
1998
🏛
John Wiley and Sons
🌐
English
⚖ 331 KB
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