DTIC ADA440029: Homogenization of Periodically Varying Coefficients pdf

DTIC ADA440029: Homogenization of Periodically Varying Coefficients

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In this paper we employ the periodic unfolding method for simulating the electromagnetic field in a composite material exhibiting heterogeneous microstructures which are described by spatially periodic parameters. We consider cell problems to calculate the effective parameters for a Debye dielectric medium in the cases of circular and square microstructures in two dimensions. We assume that the composite materials are quasi-static in nature, i.e., the wavelength of the electromagnetic field is much larger than the relevant dimensions of the microstructure

• Creator/s: Defense Technical Information Center
• Date: 1/18/2005
• Year: 2005
• Book Topics/Themes: DTIC Archive, Banks, H T, NORTH CAROLINA STATE UNIV AT RALEIGH CENTER FOR RESEARCH IN SCIENTIFIC COMPUTATION, *COEFFICIENTS, *ELECTROMAGNETISM, *HOMOGENEITY, *PERIODIC VARIATIONS, MICROSTRUCTURE, COMPOSITE MATERIALS, ANTENNAS, MAXWELLS EQUATIONS, DIELECTRICS, MICROWAVES

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