Modelling antennas in outer space using the boundary element unstructured transmission-line (BEUT) method
Simmons, Daniel and Cools, Kristof and Sewell, Phillip (2015) Modelling antennas in outer space using the boundary element unstructured transmission-line (BEUT) method. In: 36th ESA Antenna Workshop on Antennas and RF Systems for Space Science, 06 - 09 October 2015, ESTEC, Noordwijk, The Netherlands. (In Press)
In this paper the hybridization of the 2D time domain boundary element method (BEM) with the unstructured transmission line method (UTLM) is described. The novel method enables accurate modelling of radiating boundary conditions, excitation by plane waves, and efficient modelling of problems containing large free-space regions and non-uniform materials. The method has been developed to more accurately describe arbitrary surfaces and is demonstrated by comparing numerical results against analytical results.
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