Abstract : We review the difficulties of a modal approach when modeling a Reverberation Chamber (RC) by the Finite Element Method (FEM). The numerical challenge is due to the large scale problem involved by the over-dimensioned cavity. Moreover, the field singularity on the stirrer has to be captured by the FEM. First the following issues are discussed: existence of null-frequency solutions, convergence rate for h and p adaption, and formulation type in E or H field. Then the modal analysis is compared to the classical harmonic one. A focus is put on the field singularity at the source point.
https://hal.archives-ouvertes.fr/hal-01441548
Contributeur : Elodie Richalot
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Soumis le : jeudi 19 janvier 2017 - 18:45:09
Dernière modification le : jeudi 7 février 2019 - 16:22:31
Document(s) archivé(s) le : jeudi 20 avril 2017 - 15:11:22
