Browse > Article
http://dx.doi.org/10.5139/JKSAS.2005.33.4.001

Development of a Computational Electromagnetics Code for Radar Cross Section Calculations of Flying Vehicles  

Myong, Rho-Shin (ReCAPT)
Cho, Tae-Hwan (ReCAPT)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.33, no.4, 2005 , pp. 1-6 More about this Journal
Abstract
The ability to predict radar return from flying vehicles becomes a critical technology issue in the development of stealth configurations. Toward developing a CEM code based on Maxwell's equations for analysis of RCS reduction schemes, an explicit upwind scheme suitable for multidisciplinary design is presented. The DFFT algorithm is utilized to convert the time-domain field values to the frequency-domain. A Green's function based on near field-to-far field transformation is also employed to calculate the bistatic RCS. To verify the numerical calculation the two-dimensional field around a perfectly conducting cylinder is considered. Finally results are obtained for the scattering electromagnetic field around an airfoil in order to illustrate the feasibility of applying CFD based methods to CEM.
Keywords
Survivability & Stealth Technology; Computational Electromagnetics(CEM); Radar Cross Section(RCS); Multidisciplinary Computation;
Citations & Related Records
연도 인용수 순위
  • Reference
1 강인모, 유홍철, 정경진, 김명성, 박민우, '항공기 형상설계에서의 스텔스 기술 적용', 한국항공우주학회 추계 학술발표회, 페이지 776-779, 2002
2 홍창선, '스텔스 항공기와 복합재료', 한국항공우주학회지, 제24권, 제3호, 페이지 156-160, 1996
3 Youssef, N. N., 'Radar Cross Section of Complex Targets', Proceedings of the IEEE, Vol. 77, No.5, pp. 722-734, 1989   DOI   ScienceOn
4 Knott, E. F., Shaeffer, J. F., and Tuley, M. T, Radar Cross Section, Artech House, 1993
5 Jenn, D. C., Radar and Laser Cross Section Engineering, AIAA Education Series, 1995
6 Bownan, J. J., Senior, T. B. A, and Uslenghi, P. L. E., Electromagnetics and Acoustic Scattering by Simple Shapes, Hemisphere Publishing, 1987
7 Jin, J., The Finite Element Method in Electromagnetics, Wiley & Sons, 2002
8 Shankar, V., Hall, W., and Mohammadian, A H., 'A CFD-Based Finite-Volume Procedure for Computational Electromagnetics--Interdisciplinary Applications of CFD Methods', AIAA Paper 89-1987, 1989
9 Shankar, V., and Mohammadian, A. H., 'A Time-Domain, Finite-Volume Treatment for the Maxwell Equations', Electromagnetics, Vol. 10, pp. 147-161, 1990   DOI   ScienceOn
10 Ball, R. E., The Fundamentals of Aircraft Combat Survivability Analysis and Design, AIAA Education Series, 2nd Edition, 2003
11 Hesthaven, J. S., and Warburton, T., 'High-Order Unstructured Grid Methods for Time-Domain Electromagnetics', AIAA Paper 2002-1092, 2002
12 Harrington, R. F., Time-Harmonic Electromagnetics Fields, McGraw Hill, 1961
13 Hirsch, C., Numerical Computation of Internal and External Flows, Wiley, 1988
14 Brigham, E. O., The Fast Fourier Transform, Pretice-Hall, 1974
15 Rusch, W. V. T. and Potter, P. D., Analysis of Reflector Antennas, Academic Press, 1970