Two-dimensional Domain-decomposition FDTD Method to Simulate Wave Scattering by Rough Surfaces

Zhi-Hong Lai; Jean-Fu Kiang; Raj Mittra; IEEE

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Two-dimensional Domain-decomposition FDTD Method to Simulate Wave Scattering by Rough Surfaces

Zhi-Hong Lai, Jean-Fu Kiang, Raj Mittra and IEEE

2013 7TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP), pp.3839-3842

Proceedings of the European Conference on Antennas and Propagation

01/01/2013

Abstract

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The original domain-decomposition FDTD (DD-FDTD) method is extended to a two-dimensional DD-FDTD method, in order to solve the scattering problems involving a large computational domain. The scattering from both a cosine surface and a Gaussian-type rough surface are simulated with this method. The radar cross section (RCS) of both vv- and hh-polarizations is analyzed, with focus on the forward and backward scattering. The conventional FDTD method is used for comparison when the computational domain is small. The physical optics is applied for comparison when the computational domain is very large.

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Title: Two-dimensional Domain-decomposition FDTD Method to Simulate Wave Scattering by Rough Surfaces
Creators - without role: Zhi-Hong Lai - Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 106, Taiwan
Jean-Fu Kiang - Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 106, Taiwan
Raj Mittra - Pennsylvania State University
IEEE
Publication Details: 2013 7TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP), pp.3839-3842
Series: Proceedings of the European Conference on Antennas and Propagation
Publisher: IEEE
Number of pages: 4
Identifiers: 9940058908331
Academic Unit: King Abdulaziz University
Language: English
Resource Type: Conference proceeding