Modeling of intracell metallic elements using the MRTD technique

A new method has been developed which enables the modeling of metallic structures that are placed within the boundaries of a cell in the multiresolution time-domain electromagnetic modeling technique. This technique takes advantage of the unique multiresolution properties of MRTD that are due to the wavelet expansion of the electromagnetic fields. In order to represent a PEC in a time domain simulator, the boundary condition of zero electric field on the PEC surface must be met. By setting the coefficients of the wavelets that intersect the metal to zero, a metal structure of arbitrary size and shape can be represented in the grid. It is required that the space wavelets used in this technique be finite-domain in nature.