Results 1 to 10 of about 2,490 (70)

Efficient Finite-Difference Time-Domain Modeling of Time-Varying Dusty Plasma [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2022
The finite-difference time-domain (FDTD) method has been widely used for the electromagnetic analysis of dusty plasma sheath in reentering hypersonic vehicles.
Yong-Jin Kim   +2 more
doaj   +1 more source

Numerical Accuracy of Finite-Difference Time-Domain Formulations for Magnetized Plasma [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2022
The finite-difference time-domain (FDTD) has been widely used to analyze electromagnetic (EM) wave propagation in complex dispersive media. Over the past three decades, a variety of FDTD approaches for the EM wave propagation in magnetized plasma has ...
Jeahoon Cho   +2 more
doaj   +1 more source

Morphing for faster computations with finite difference time domain algorithms

open access: yesEPJ Applied Metamaterials, 2022
In the framework of wave propagation, finite difference time domain (FDTD) algorithms, yield high computational time. We propose to use morphing algorithms to deduce some approximate wave pictures of their interactions with fluid-solid structures of ...
Aznavourian Ronald   +3 more
doaj   +1 more source

Room Acoustic Simulation Using Finite Difference Time Domain Method [PDF]

open access: yesمجله مدل سازی در مهندسی, 2015
The growing use of industrial machinery, household appliances and etc, has increased undesirable noises. Thus, the need to control and reduce the undesirable noises in a closed space has caused a lot of interest in recent years.
mahdi nili ahmad abadi   +2 more
doaj   +1 more source

An optimized three-dimensional time-space domain staggered-grid finite-difference method

open access: yesFrontiers in Earth Science, 2023
Numerical simulation of three-dimensional (3D) seismic wavefields forms the basis of the research on the migration methods of 3D seismic data based on wave equations.
Wei Liu   +4 more
doaj   +1 more source

Numerical Study of Estimating the Arrival Time of UHF Signals for Partial Discharge Localization in a Power Transformer [PDF]

open access: yesJournal of the Korean Institute of Electromagnetic Engineering and Science, 2018
Partial discharges (PDs) are electrical sparks that occur inside insulation between two conducting electrodes and can lead to the disastrous failure of insulation systems.
Sang-Gyu Ha   +5 more
doaj   +1 more source

A Finite-Difference Time-Domain Formulation for Modeling Air Ionization Breakdown Streamers

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2022
A numerical model based on the finite-difference timedomain (FDTD) method is developed for calculating discharge currents and fields produced due air ionization between two electrodes. Electric conductivity σ of the ionized channel between two electrodes
Rodrigo M. S. de Oliveira   +4 more
doaj   +1 more source

Frequency‐dependent finite‐difference time‐domain method based on iterated Crank–Nicolson scheme

open access: yesElectronics Letters, 2023
The finite‐difference time‐domain (FDTD) method based on the iterated Crank–Nicolson (ICN) scheme is extended to a frequency‐dependent version. The Drude model is used to express a metal dispersion, which is incorporated into the iterated Crank–Nicolson ...
Jun Shibayama   +3 more
doaj   +1 more source

Finite-Difference Time-Domain Simulations of Radon Transport in Porous Media

open access: yesAtom Indonesia, 2020
In this work, an efficient algorithm, using a finite-difference time-domain (FDTD) technique, is proposed for modeling the variation of radon concentration as a function of soil structure parameters and vice versa.
A. Tayebi   +3 more
doaj   +1 more source

Modeling Dispersive Media in Finite-Difference Time-Domain Method for Radiative Cooling Applications

open access: yesIEEE Access, 2022
Radiative cooling offers a new strategy to address building cooling problems in an environmentally friendly way, compared with traditional cooling methods that require high-power consumption. The goal of radiative cooling is to maximize absorption at the
Munseong Bae, Haejun Chung
doaj   +1 more source

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