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978-3-8439-2692-8, Reihe Elektrotechnik

Michael E. Gruber
Spectral Domain and FFT Accelerated Cavity Green's Function Boundary Element Methods for Numerical Modeling of Reverberation Chambers

157 Seiten, Dissertation Technische Universität München (2016), Hardcover, A5

Zusammenfassung / Abstract

A boundary element method with the Green's function of the rectangular cavity is presented and employed for the numerical modeling of reverberation chambers. Different from previous work, two approaches, a fast group spectral domain approach and a fast Fourier transform accelerated Ewald summation technique, are presented to relieve the major shortcomings of the cavity Green’s function boundary element method: the large computational burden of the cavity Green’s function in the high frequency regime and the computationally expensive filling of the system matrix.