Investigation of radar propagation in buildings: A 10-billion element Cartesian-mesh FETD simulation

IEEE Transactions on Antennas and Propagation

Volumn 56, Issue 8 I, 2008, Pages 2241-2250

  Stowell, Mark L ^a   Fasenfest, Benjamin J ^a   White, Daniel A ^a  

^a LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

Electromagnetic propagation in nonhomogenous media; Electromagnetic scattering; Finite element methods; Parallel processing; Time domain analysis; Ultrawideband radar

Indexed keywords

BUILDINGS; CONCRETE BLOCKS; CRACK PROPAGATION; DIFFERENTIAL EQUATIONS; FINITE DIFFERENCE TIME DOMAIN METHOD; FINITE ELEMENT METHOD; INVERSE PROBLEMS; MESH GENERATION; MODEL STRUCTURES; NUMERICAL METHODS; RADAR SYSTEMS; RADIO; TIME DOMAIN ANALYSIS;

BENCHMARK SOLUTION; CARTESIAN; CARTESIAN MESHING; ELECTROMAGNETIC PROPAGATION IN NONHOMOGENOUS MEDIA; ELECTROMAGNETIC SCATTERING; FINITE ELEMENT METHODS; FINITE ELEMENTS; FINITE-DIFFERENCE TIME-DOMAIN; FULL-WAVE SIMULATIONS; IN BUILDINGS; INTERNAL STRUCTURES; PARALLEL COMPUTERS; PARALLEL PROCESSING; RADAR PROPAGATION; RADAR WAVES; TIME DOMAIN OCT; ULTRAWIDEBAND RADAR;

RADAR;

EID: 49749148392     PISSN: 0018926X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TAP.2008.926763     Document Type: Article

References (22)

1. D. Falconer and R. Ueberschaer, "Floor plan radar," in Proc. SPIE Radar Sensor Technology V, 2000, pp. 116-123.
2. F. Aryanfar and K. Sarabandi, "Through wall imaging at microwave frequencies using space-time focusing," in Proc. APS Int. Symp., Monterey, CA, 2004, pp. 3063-3066.
3. T. Sakamoto, "A fast algorithm for 3-dimensional imaging with UWB pulse radar systems," IEICE Trans. Commun., vol. 90, no. 3, pp. 636-644, 2007.
4. Q. Liu, L.-P. Song, and C. Yu, "Through-Wall Imaging (TWI) by radar: 2-D tomographic results and analyses," IEEE Trans. Geosci. Remote Sens., vol. 43, no. 12, pp. 2793-2797, Dec. 1993.
5. P. Ahmad, M. Amin, and S. Kassam, "Synthetic aperture beamformer for imaging through a dielectric wall," IEEE Trans. Aerosp. Electron. Syst., vol. 41, no. 1, pp. 271-283, 2005.
6. J. Lee, R. Lee, and A. Cangellaris, "Time-domain finite-element methods," IEEE Trans. Antennas Propag., vol. 45, no. 3, pp. 430-422, Mar. 1997.
7. G. Rodrigue and D. White, "A vector finite element time-domain method for solving maxwell's equations on unstructured hexahedral grids," SIAM J. Sci. Comp., vol. 23, no. 3, pp. 683-706, 2001.
8. K. Kunz and R. Luebbers, The Finite Difference Time Domain Method for Electromagnetics. Boca Raton, FL: CRC Press, 1993.
9. T. Weiland, "Time domain electromagnetic field computation with finite difference methods," Int. J. Numer. Models, vol. 9, pp. 259-319, 1996.
10. N. K. Madsen, "Divergence preserving discrete surface integral method for Maxwell's curl equations using non-orthogonal unstructured grids," J. Comput. Phys., vol. 119, no. 1, pp. 34-45, 1995.
11. J. M. Hyman and M. J. Shashkov, "Mimetic discretizations for Maxwell's equations," J. Comput. Phys., vol. 151, no. 2, pp. 881-909, 1999.
12. P. Castillo, J. Koning, R. Rieben, and D. White, "A Discrete differential forms framework for computational electromagnetics," Comput. Modeling Eng. Sci., vol. 5, no. 4, pp. 331-346, 2004.
13. R. Rieben, D. White, and G. Rodrigue, "Improved conditioning of finite element matrices using new high order interpolatory bases," IEEE Trans. Antennas Propag., vol. 52, no. 10, pp. 2675-2683, Oct. 2004.
14. R. Rieben, D. White, and G. Rodrigue, "High order symplectic integration methods for finite element solutions to time dependent Maxwell equations," IEEE Trans. Antennas Propag., vol. 52, no. 8, pp. 2190-2195, Aug. 2004.
15. A. Fisher, R. N. Rieben, G. H. Rodrigue, and D. A. White, A generalized mass lumping technique for vector finite element solutions of the time-dependent Maxwell equations," IEEE Trans. Antennas Propag., vol. 53, no. 9, pp. 2900-2910, Sep. 2005.
16. R. Rieben, D. White, and G. Rodrigue, "A high order mixed vector finite element method for solving the time dependent Maxwell equations on unstructured grids," J. Comput. Phys., vol. 204, pp. 490-519, 2005.
17. U. Andersson and G. Ledfelt, "Large scale FD-TD - A billion cells," in Proc. 5th Annu. Rev. Progress in Applied Computational Electromagnetics, Monterey, CA, Mar. 1999, vol. 1, pp. 572-577.
18. D. Komatitsch, S. Tsuboi, C. Ji, and J. Tromp, "A 14.6 billion degrees of freedom, 5 teraflops, 2.5 terabyte earthquake simulation on the earth simulator," in Proc. Supercomputing, Phoenix, AZ, Nov. 2003, pp. 572-577.
19. Top 500 Supercomputing Sites [Online] Jun. 2007 [Online]. Available: http://www.top500.org/lists/2006/11
20. Linux Clusters Overview [Online] Jun. 2007 [Online]. Available: http:// www.llnl.gov/computing/tutorials/linux\_clusters
21. Cubit [Online] Jun. 2007 [Online]. Available: http://cubit.sandia.gov
22. Wireless InSite Overview Jun. 2007 [Online]. Available: http:// www.remcom.com/wireless-insite/overview/wireless-insite-overview.html