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Parameters of lossy cavity resonators calculated by the finite element method

By: Bardi, I.; Groiss, S.; Richter, K.R.; Preis, K.; Biro, O.;

1996 / IEEE

Description

This item was taken from the IEEE Periodical ' Parameters of lossy cavity resonators calculated by the finite element method ' The calculation of the resonance frequency and quality factor of closed or aperture coupled cavity resonators with volume and wall losses by an edge finite element method is discussed. An efficient solver is developed to solve the complex nonlinear eigenvalue problem. The effect of the roughness of the walls on the quality factor is taken approximately into account.