Programa del congreso
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Resumen de las sesiones |
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Pr-1: S.E. Baja Observabilidad - Premio Indra (I)
Tribunal: Ana Álvarez (INDRA), Carlos Zarzuelo (INDRA), Mikel Laso (URSI), Juan José de Dios (UCLM) y Ramón Villarino (URV)
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13:30 - 13:45
Análisis electromagnético de superficies no conformadas con el método de los momentos 1Universidad de Extremadura; 2EM3WORKS; 3Universidad de Vigo In the electromagnetic analysis of large or complex environments the CAD of the entire platform is separately generated, typically. In that circumstances, independent meshes of separately generated CADs, does not conform in the boundaries, or forcing conforming leads to increasing complexity. Another examples where non-conformity between meshes appears are multiscale complexity, h-refinement, general assemblies of structures, more of then very useful in domain decomposition techniques. In Surface Integral Equation methods, we can lead with non-conformities using several techniques. We present several techniques for solving nonconformal assemblies of structures, based on, mainly, Discontinuous Galerkin and multi-trace techniques.
13:45 - 14:00
Avances en Simulación Electromagnética mediante la Integración de Técnicas Conformal y Subgridding en FDTD Universidad de Granada, España Este trabajo se centra en la combinación de las técnicas de subgridding y conformal, dentro del método FDTD, para abordar geometrı́as complejas, especialmente en aplicaciones de RCS para baja observabilidad y en contextos multiescala. Aprovechamos las ventajas de ambas aproximaciones para lograr resultados más precisos y eficientes. La incorporación de la técnica conformal mejora tanto la precisión como la eficiencia de los métodos subgridding, permitiendo reducir el número de niveles necesarios.
14:00 - 14:15
Novel LC Composition for Improved Performance in Millimeter-Wave Reflectarrays 1University of Siena, Italia; 2TAFCO Metawireless; 3Novosibirsk State University; 4Institute of Applied Physical Problems; 5Universidad Pública de Navarra; 6Institute of Smart Cities A reconfigurable liquid crystal (LC) based reflectarray (RA) designed for operation in the D-band from 105 to 125 GHz is numerically demonstrated. The device has a configuration of a high-impedance surface with a meta-array of 29×33 patches on a 2-mm-thick quartz substrate separated from the ground plane through a 40 μm-thick LC layer. The electric biasing of the LC-loaded RA unit cells is realized by introducing narrow inductive strips connecting neighboring patches in one imension. A novel LC composition with low dielectric losses (<0.003) and high dielectric anisotropy (>1.3) as been developed for operation at millimeter-waves. The results demonstrate a reflection phase tunability of 210° and low insertion losses of 2.5 dB. Furthermore, the device was demonstrated as a proof of concept for 1D beam-steering applications, exhibiting an operational bandwidth of 12 GHz.
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