Finite-difference time-domain methods

FL Teixeira, C Sarris, Y Zhang, DY Na… - Nature Reviews …, 2023 - nature.com
The finite-difference time-domain (FDTD) method is a widespread numerical tool for full-
wave analysis of electromagnetic fields in complex media and for detailed geometries …

Full-wave finite-difference time-domain simulation of electromagnetic cloaking structures

Y Zhao, C Argyropoulos, Y Hao - Optics Express, 2008 - opg.optica.org
This paper proposes a radial dependent dispersive finite-difference time-domain method for
the modeling of electromagnetic cloaking structures. The permittivity and permeability of the …

A unified FDTD/PML scheme based on critical points for accurate studies of plasmonic structures

KP Prokopidis… - Journal of lightwave …, 2013 - ieeexplore.ieee.org
A generalized auxiliary differential equation (ADE) finite-difference time-domain (FDTD)
dispersive scheme is introduced for the rigorous simulation of wave propagation in metallic …

An effective edge conductivity for reducing staircasing error in induced electric field computation for low-frequency magnetic field dosimetry

Y Diao, L Zhang, D Shi, A Hirata - Physics in Medicine & Biology, 2022 - iopscience.iop.org
Objective. In the low-frequency exposure (< 100 kHz), the induced electric field strength is
used as a metric for assessment for human protection. Unlike radio-frequency exposure (> …

Tensor-conductance model for reducing the computational artifact in target tissue for low-frequency dosimetry

Y Diao, L Liu, N Deng, S Lyu… - Physics in Medicine & …, 2023 - iopscience.iop.org
Objective. In protecting human from low-frequency (< 100 kHz) exposure, an induced
electric field strength is used as a physical quantity for assessment. However, the …

Dispersive contour-path algorithm for the two-dimensional finite-difference time-domain method

A Mohammadi, T Jalali, M Agio - Optics Express, 2008 - opg.optica.org
We have extended the contour-path effective-permittivity (CP-EP) finite-difference time-
domain (FDTD) algorithm by A. Mohammadi, et al., Opt. Express 13, 10367 (2005), to linear …

A radially-dependent dispersive finite-difference time-domain method for the evaluation of electromagnetic cloaks

C Argyropoulos, Y Zhao, Y Hao - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
A radially-dependent dispersive finite-difference time-domain (FDTD) method is proposed to
simulate electromagnetic cloaking devices. The Drude dispersion model is applied to model …

Rapid prototyping of ceramic millimeterwave metamaterials: Simulations and experiments

Y Lee, X Lu, Y Hao, S Yang, R Ubic… - Microwave and …, 2007 - Wiley Online Library
Rapid prototyping by an extrusion freeforming technique, of ceramic metamaterials based
on a woodpile structure at millimeterwave frequencies has been performed. The finite …

Numerical dosimetry of electromagnetic pulse exposures using FDTD method

J Chakarothai, S Watanabe… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A novel frequency-dependent finite-difference time-domain (FDTD) method, previously
proposed by the author, is applied to numerical dosimetry of exposures by an …

FDTD Voxels-in-Cell method with Debye media

K Tekbaş, JP Bérenger, LD Angulo… - … on Antennas and …, 2024 - ieeexplore.ieee.org
The Voxels-in-Cell (VIC) method was recently introduced to reduce the computational cost of
the finite-difference time-domain (FDTD) method with objects composed of dielectric voxels …