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A simple and convenient method to deal with floating conductors in electrostatic field when using finite element method (FEM) is presented. A method to extract capacitance matrix that includes the effect of floating conductors inside the solution domain is also put forward. The merits are that the computing time can be reduced; and users only need to set up the capacitance extraction on the ports...
This work deals with a uniform asymptotic solution for solving the diffraction problem arising from a plane wave impinging on a truncated double-negative metamaterial layer with a perfect electric conductor backing. The field diffracted by the edge of the structure is obtained by using a Physical Optics approximation of the electric and magnetic surface currents in the radiation integral and by performing...
In this paper, we demonstrate this idea of quality factor enhancement with external corner perfect electric conductor (PEC) posts in the case of a two-dimensional (2D) RDR using the method of moments/surface integral equation (MoM/SIE). First, the separable RDR is designed by means of the method of separation of variables. Next, the designed RDR's with and without posts are compared using MoM/SIE,...
The corona generated from high-voltage direct-current transmission lines can induce the ion around the lines, which will increase the electric field and the ion current density and influence the environment nearby. Based on the finite-element method, an iterative algorithm to analyze the electric field and the ion current density at the ground level generated from the bundled conductors of bipolar...
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