volume | PIER Journals

Abstract

In this paper, we present a new domain decomposition technique which considers the effect of multiple reflections between the subdomains. This method has the ability to simulate accurately large electromagnetic problems that are difficult to handle using the direct application of the FDTD method. The results for the test examples considered in this paper compare well with the direct FDTD solution, and serve to validate the proposed scheme.

1. Abd El-Raouf, H. E., R. Mittra, and J. Ma, "A new domain decomposition FDTD for solving large electromagnetic problems," Microwave and Optical Technology Letters, Vol. 48, No. 12, 2399-2405, December 2006.
doi:10.1002/mop.21962

2. Mittra, R., H. E. Abd El-Raouf, and N. Huang, "A serial-parallel FDTD approach for modeling of coupling between two large arrays," Journal of the Applied Computational Electromagnetic Society (ACES), ACES Journal, Vol. 21, No. 3, 267-275, Invited paper, November 2006.

3. Lucente, E., A. Monorchio, and R. Mittra, "An iteration-free MoM approach based on excitation independent characteristic basis functions for solving multiscale electromagnetic scattering problems," IEEE Trans. on Antennas Propagat., Vol. 56, 999-1007, 2008.
doi:10.1109/TAP.2008.919166

4. Matekovits, L., V. Laza, and G. Vecchi, "Analysis of large complex structures with the synthetic-functions approach," IEEE Trans. on Antennas Propagat., Vol. 55, 2509-2521, September 2007.
doi:10.1109/TAP.2007.904073

5. Mallahzadeh, A. R., M. Soleimani, and J. Rashed-Mohassel, "RCS computation of airplane using parabolic equation," Progress In Electromagnetics Research, Vol. 57, 265-276, 2006.
doi:10.2528/PIER05080101

6. Kotsis, A. D., Roumeliotis, and J. A., "Electromagnetic scattering by a metallic spheroid using shape perturbation method," Progress In Electromagnetics Research, Vol. 67, 113-134, 2007.
doi:10.2528/PIER06080202

7. Gong, Z. and G. Q. Zhu, "FDTD analysis of an anisotropically coated missile," Progress In Electromagnetics Research, Vol. 64, 69-80, 2006.
doi:10.2528/PIER06071301

8. Wang, S. G., et al. "Fast calculation of wide-band responses of complex radar targets," Progress In Electromagnetics Research, Vol. 68, 185-196, 2007.
doi:10.2528/PIER06081702

9. Al Sharkawy, et al. "The iterative multi-region algorithm using a hybrid finite difference frequency domain and method of moments techniques," Progress In Electromagnetics Research, Vol. 57, 19-32, 2006.
doi:10.2528/PIER05071001

10. Zhao, L., T. Cui, and W.-D. Li, "An efficient algorithm for EM scattering by electrically large dielectric objects using MR-QEB iterative scheme and CG-FFT method," Progress In Electromagnetics Research, Vol. 67, 341-355, 2007.
doi:10.2528/PIER06121902

11. Zhao, X. W., et al. "The multilevel fast multipole algorithm for EMC analysis of multiple antennas on electrically large platforms," Progress In Electromagnetics Research, Vol. 69, 161-176, 2007.
doi:10.2528/PIER06121003

12. Hadi, M. F. and S. F. Mahmoud, "Optimizing the compact-FDTD algorithm for electrically large waveguiding structures," Progress In Electromagnetics Research, Vol. 75, 253-269, 2007.
doi:10.2528/PIER07060703

13. Li, X. F., Y. J. Xie, and R. Yang, "High-frequency method analysis on scattering from homogenous dielectric objects with electrically large size in half space," Progress In Electromagnetics Research B, Vol. 1, 177-188, 2008.
doi:10.2528/PIERB07103001

14. Sukharevsky, O. I. and V. A. Vasilets, "Scattering of reflector antenna with conic dielectric radome," Progress In Electromagnetics Research B, Vol. 4, 159-169, 2008.
doi:10.2528/PIERB08011404

Dr. Hany Abd-El-Raouf

Professor Raj Mittra