By L. N. Medgyesi-Mitschang (auth.), Thomas G. Campbell, R. A. Nicolaides, Manuel D. Salas (eds.)
This quantity comprises the complaints of the 1st ICASE/LaRC paintings store on Computational Electromagnetics and Its purposes performed by way of the Institute for desktop functions in technological know-how and Engineering and NASA Langley examine middle. We had numerous objectives in brain after we determined, together with the Elec tromagnetics learn department, to arrange this workshop on Computa tional Electromagnetics ( CEM). between our ambitions have been a wish to receive an outline of the present kingdom of CEM, overlaying either algorithms and ap plications and their impression on NASA's actions during this zone. additionally, we needed to supply an enticing environment for computational scientists with services in different fields, specifically computational fluid dynamics (CFD), to watch the algorithms and instruments of CEM at paintings. Our expectation was once that scientists from either fields might become aware of jointly priceless inter connections and relationships. one other target used to be to benefit of development in resolution algorithms for electromagnetic optimization and layout difficulties; such difficulties make broad use of box solvers and computational effi ciency is at a top rate. to accomplish those pursuits we assembled the well known staff of audio system from academia and whose talks are contained during this quantity. The papers are revealed within the related order during which the talks have been pre sented on the assembly. the 1st paper is an summary of labor presently being played within the Electromagnetic learn department on the Langley learn Center.
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Extra resources for Computational Electromagnetics and Its Applications
F. B. BECK ET AL. Proceedings of AMTA Seventeenth Annual Meeting and Symposium, Williamsburg, VA, (November 1995), 312-317. , Deshpande, M. , Reddy, C. , and Tiemsin, P. : Evaluation of complex primitivities of multilayer dielectric substrates ·at microwave frequencies using waveguide measurements, Proceedings of AMTA Eighteenth Annual Meeting & Symposium, Seattle, WA, (September-October 1996), 355-360. Reddy, C. , Deshpande, M. : Estimation of complex permittivity of printed circuit board material using waveguide measurements, presented at Material Research Society Meeting, San Francisco, CA, (1996).
20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 51 Jin, J. M. and Volakis, J. : Scattering and radiation analysis of three-dimensional cavity arrays via a hybrid finite-element method, IEEE Trans. Antennas and Propagation AP-41(11) (1993), 1580-1586. , Volakis, J. , Woo, A. , and Wang, H. T. : A hybrid finite-elementboundary integral method for the analysis of cavity backed antennas of arbitrary shape, IEEE Trans. Antennas and Propagation AP-42(9) (1994), 1233-1242. Reddy, C. , Cockrell, C.
Circular Microstrip Patch Antenna: A cavity-backed circular microstrip antenna radiating into an infinite ground plane is shown in figure 25. The discretization of the cavity volume resulted in 6,363 total unknowns and the order of the dense matrix due to MoM is 469. The frequency response of the input impedance is calculated with 6GHz as the expansion frequency. The AWE moments are calculated at 6GHz and are used in the Taylor series expansion. 8GHz. 2GHz is plotted in figure 25 along with the exact solution calculated at different frequencies.
Computational Electromagnetics and Its Applications by L. N. Medgyesi-Mitschang (auth.), Thomas G. Campbell, R. A. Nicolaides, Manuel D. Salas (eds.)