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Jacobi-Davidson iteration based reduced order finite element models for radar cross-section

Neeraj, Kumar and Vinoy, KJ and Gopalakrishnan, S (2013) Jacobi-Davidson iteration based reduced order finite element models for radar cross-section. In: Applied Electromagnetics Conference (AEMC), 2013, December 18-21, 2013, Bhubaneshwar, India.

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Official URL: http://dx.doi.org/10.1109/AEMC.2013.7045048

Abstract

Finite element modeling of large-scale scattering problems like radar cross-section (RCS) lead to large matrices. Model order reduction (MOR) using eigenspace projection of these models involving plane wave excitation requires solution of nonlinear eigenvalue problems. This paper proposes a methodology to expediently compute wideband RCS. Jacobi-Davidson iteration is used to generate the projection spaces. Reduction by many orders in the system size and the computational cost is exemplified.

Item Type: Conference Proceedings
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Additional Information: Copy right for this article belongs to the Proceedings of The IEEE Applied Electromagnetics Conference (APMC-2013), Bhubaneshwar, India
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 30 Aug 2016 10:23
Last Modified: 30 Aug 2016 10:23
URI: http://eprints.iisc.ernet.in/id/eprint/54610

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