@Article{CiCP-8-4,
author = {},
title = {Finite-Element Analysis of Three-Dimensional Axisymmetrical Invisibility Cloaks and Other Metamaterial Devices},
journal = {Communications in Computational Physics},
year = {2010},
volume = {8},
number = {4},
pages = {823--834},
abstract = {<p style="text-align: justify;">Accurate simulations of metamaterial devices are very important in the analysis
of their electromagnetic properties. However, it is very difficult to make full-wave
simulations of three-dimensional (3D) metamaterial devices due to the huge memory
requirements and long computing time. In this paper, we present an efficient finite-element
method (FEM) to analyze 3D axisymmetric electromagnetic devices designed
by the transformation-optics approach, such as invisibility cloaks and concentrators.
In the proposed method, we use the edge-based vector basis functions to expand the
transverse field components, and the node-based scalar basis functions to expand the
angular component. The FEM mesh is truncated with a cylindrical perfectly matched
layer. We have applied the method to investigate the scattering from spherical and ellipsoidal
invisibility cloaks and circularly cylindrical concentrators, in which the permittivity
and permeability are both inhomogeneous and anisotropic. Numerical results
are presented to show the validity and efficiency of the method.</p>},
issn = {1991-7120},
doi = {https://doi.org/10.4208/cicp.091009.080210a},
url = {https://global-sci.com/article/81053/finite-element-analysis-of-three-dimensional-axisymmetrical-invisibility-cloaks-and-other-metamaterial-devices}
}