The computation of the resonant frequencies for closed cavities is not a trivial task: Multi-materials and sharp corners all give rise to highly singular eigenfunctions. However, an approach using hp-finite elements is well suited to such problems and, with the correct combination of hand p-refineme
Computation of cavity resonances using edge-based finite elements
β Scribed by Chatterjee, A.; Jin, J.M.; Volakis, J.L.
- Book ID
- 114551202
- Publisher
- IEEE
- Year
- 1992
- Tongue
- English
- Weight
- 298 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0018-9480
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π SIMILAR VOLUMES
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The results of research carried out by Hansen in the early 1940s on ''ideal'' re-entrant ca¨ity geometries has generated data which permit, through graphical methods, the prediction of the performance and characteristics of such resonators. These data are still relied upon today in the design of re-
The eigenmodes in electromagnetic cavities, loaded with arbitrarily shaped dielectric materials, are computed by the edge element method. The computation shows that the well known 'spurious modes' no longer appear. Formulae are given and verified so that the number of zero eigenvalues, which come fr