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A combination of the transmission line matrix (TLM) method and the transverse wave formulation (TWF) method based on a diakoptics approach is presented for the efficient modeling of multiscale and multilayered planar structures. The formal similarities of TLM and TWF enable a direct diakoptics approach, partitioning the simulation domain into TLM and TWF subdomains. The TWF subdomain is completely...
This paper presents a hybrid method combining the transmission-line-matrix (TLM) method with time-domain integral equations (IE) for the efficient simulation of spatially distant TLM subregions. The different TLM regions are coupled via free-space dyadic Green's functions and a total-field/scattered-field technique is applied to insert and extract the electromagnetic fields. Therefore a modified connection...
Electromagnetic linear field problems can be rigorously and systematically formulated in terms of linear networks. Use of the equivalence theorem permits the decomposition of the computational domain into sub-domains with common interfaces. In each sub-domain the basic building blocks for a linear network representation are provided by Tellegen's theorem and by the two alternative representations...
An efficient version of hybrid time-domain transmission line matrix (TLM)-integral equation method is presented for the analysis of the electromagnetic interference in high frequency communication circuits, combining the time domain thin wire electric field integral equation (EFIE) with a symmetrical condensed node TLM mesh. The method is highly effective for the analysis of the interaction between...
We preset an efficient systematic design and optimization approach for cylindrical multilayer conformal antennas. The approach is based on integral equation method (IEM) in connection with method of moment (MoM). The dyadic Green's function is computed in spectral domain (SD) in a generalized transmission line model (GTL) (B. Biscontini, et al., 2004), The current density distribution is computed...
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