Analysis of Electromagnetic Scattering from a Cavity with a Complex Termination by Means of a Hybrid Ray-FDTD Method

IEEE Transactions on Antennas and Propagation

Volumn 41, Issue 11, 1993, Pages 1560-1569

  Lee, Robert ^a   Chia, Tse Tong ^a  

^a OHIO STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL METHODS; FINITE DIFFERENCE METHOD; FREQUENCY DOMAIN ANALYSIS; JET ENGINES; MATHEMATICAL MODELS; RADAR; TIME DOMAIN ANALYSIS;

COMPLEX TERMINATION; ENGINE CAVITIES; GENERALIZED RAY EXPANSION METHOD; HYBRID RAY FINITE DIFFERENCE TIME DOMAIN METHOD; RADAR SCATTERING; SHOOTING AND BOUNCING RAY METHOD;

ELECTROMAGNETIC WAVE SCATTERING;

EID: 0027699124     PISSN: 0018926X     EISSN: 15582221     Source Type: Journal    
DOI: 10.1109/8.267356     Document Type: Article

References (25)

1. R.-C. Chou, Reduction of the radar cross section of arbitrarily shaped cavity structures, Ph.D. dissertation, University of Illinois, Urbana-Champaign, IL, 1987.
2. R. J. Burkholder, High-frequency asymptotic methods for analyzing the EM scattering by open-ended waveguide cavities. Ph.D. dissertation, The Ohio State University, Columbus, OH, 1989.
3. R. F. Harrington, Field Computation by Moment Methods. New York: MacMillan Co., 1968.
4. E. B. Becker, G. F. Carey, and J. T. Oden, Finite Elements, An Introduction, vol. I, Englewood Cliffs, NJ: Prentice-Hall, 1981.
5. K. S. Yee, “Numerical solution of initial boundary value problems involving Maxwell’s equations in isotropic media,” IEEE Trans. Antennas Propagat., vol. AP-14, pp. 302–307, May 1966.
6. A. Taflove and M. E. Brodwin, “Numerical solution of steady-state electromagnetic scattering problems using the time-dependent Maxwell’s equations,” IEEE Trans. Microwave Theory Tech., vol. MTT-23, pp. 623–630, Aug. 1975.
7. H. Ling, S. W. Lee, and R.C. Chou, “Shooting and bouncing rays: Calculating the RCS of an arbitrarily shaped cavity,” IEEE Trans. Antennas Propagat., vol. 37, pp. 194–205, Feb. 1989.
8. —, “High-frequency RCS of open cavities with rectangular and circular cross sections,” IEEE Trans. Antennas Propagat., vol. 37, 648–654, 1989.
9. R. J. Burkholder, R.-C. Chou, and P. H. Pathak, “Two ray shooting methods for computing the EM scattering by large open-ended cavities,” Comp. Phys. Commun., vol. 68, pp. 353–365, 1991.
10. R. J. Burkholder, C. W. Chuang, and P. H. Pathak, Electromagnetic fields backscattered from an S-shaped inlet cavity with an absorber coating on its inner walls, Final Report no. 715723–2, ElectroScience Laboratory, The Ohio State University, prepared under grant NAG3-476, for NASA/Lewis Research Center, Cleveland, OH, July 30, 1987.
11. J. Baldauf, S. W. Lee, L. in, S.-K. Jeng, S. M. Scarborough, and C. L. Yu, “High frequency scattering from trihedral corner reflectors and other benchmark targets: SBR versus experiment,” IEEE Trans. Antennas Propagat., vol. 39, pp. 1345–1351, Sept. 1991.
12. S. W. Lee and R.-C. Chou, “A versatile reflector antenna pattern computation method: Shooting and bouncing rays,” Microwave Opt. Tech. Lett., vol. 1, no. 3, pp.81-87, May 1988.
13. R.-C. Chou, T. T. Chia, and R. Lee, “The energy flow inside a waveguide cavity using the SBR and GRE methods,” presented at the IEEE AP-S International Symposium, URSI Radio Science Meeting and Nuclear EMP Meeting, Chicago, IL, July 18–25, 1992.
14. S. W. Lee, H. Ling, and R.-C. Chou, “Ray-tube integration in shooting and bouncing ray method,” Microwave Opt. Tech. Lett., vol. 1, no. 8, pp. 286–289, Oct. 1988.
15. G. A. Deschamps, “Ray techniques in electromagnetics,” Proc. IEEE, vol. 60, pp. 1022–1035, Sept. 1972.
16. R. Holland, “Finite-difference solution of Maxwell’s equations in generalized nonorthogonal coordinates,” IEEE Trans. Nucl. Sci., vol. NS-30, pp. 4589–4591, Dec. 1983.
17. K. S. Yee, J. S. Chen, and A. H. Chang, “Conformal finite difference time domain (FDTD) with overlapping grids,” IEEE Trans. Antennas Propagat., vol. 40, pp. 1068–1075, April 1992.
18. A. Taflove, “Application of the finite-difference time-domain method to sinusoidal steady-state electromagnetic-penetration problems,” IEEE Trans. Electromag. Compat., vol. EMC-22, pp. 191–202, Aug. 1980.
19. R. L. Higdon, “Absorbing boundary conditions for difference approximations to the multi-dimensional wave equation,” Math. Comp., vol. 47, no. 176, pp. 437–459, Oct. 1986.
20. —, “Numerical absorbing boundary conditions for the wave equation,” Math. Comp., vol. 49, no. 179, pp. 65–90, July 1987.
21. G. Mur, “Absorbing boundary conditions for the finite-difference approximation of the time-domain electromagnetic-field equations,” IEEE Trans. Electromag. Compat vol. EMC-23, pp. Nov. 1981.
22. P. H. Pathak and R. J. Burkholder, “A reciprocity formulation for the EM scattering by an obstacle within a large open cavity,” IEEE Trans. Microwave Theory Tech., vol. MTT-41, pp. 702–707, April 1993.
23. C. W. Chuang, P. H. Pathak, and R. J. Burkholder, A hybrid asymptotic modal-moment method analysis of the EM scattering by 2-D open-ended linearly tapered waveguide cavities, Technical Report No. 312436–1, ElectroScience Laboratory, The Ohio State University, prepared for McDonnell Douglas Corporation, St. Louis, MO, Dec. 1988.
24. J. Fang, Time-domain finite difference computation for Maxwell’s equations, Ph.D. dissertation, University of California, Berkeley, 1989.
25. A. C. Cangellaris and D. B. Wright, “Analysis of the numerical error caused by the stair-stepped approximation of a conducting boundary in FD TD simulations of electromagnetic phenomena,” IEEE Trans. Antennas Propagat., vol. 39, pp. 1518–1525, Oct. 1991.