A New efficient and stable 3D Conformal FDTD

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URI: http://hdl.handle.net/10481/50197
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Auteur
Ruiz Cabello, Miguel; Díaz Angulo, Luis Manuel; Alvarez Gonzalez, Jesús; Rubio Bretones, Amelia Consuelo; Gutierrez Gutierrez, Guadalupe; González García, Salvador
Editorial
IEEE
Materia
Conformal techniques
 
Finite-difference time domain
 
Radar cross-section
 
Date
2016
Referencia bibliográfica
Ruiz Cabello, M; et. al. A New efficient and stable 3D Conformal FDTD. IEEE Microwave and Wireless Component Letters Volume: 26, Issue: 8, pp. 553-555, Aug. 2016 [http://hdl.handle.net/10481/50197]
Patrocinador
The work described in this letter and the research leading to these results has received support from the Projects TEC2013- 48414-C3-01 and TEC2015-68766-REDC (MINECO, Spain), P12-TIC-1442 (Junta de Andalucia, Spain), Alhambra-UGRFDTD (AIRBUS DS), and by the CSIRC alhambra.ugr.es supercomputing center.
Résumé
A novel conformal technique for the FDTD method, here referred to as Conformal Relaxed Dey-Mittra method, is proposed and assessed in this letter. This technique helps avoid local time-step restrictions caused by irregular cells, thereby im- proving the global stability criterion of the original Dey-Mittra method. The approach retains a second-order spatial convergence. A numerical experiment based on the NASA almond has been chosen to show the improvement in accuracy and computational performance of the proposed method.
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