Results 11 to 20 of about 96,959 (311)

Spectral Characteristics Simulation of Topological Micro-Nano Structures Based on Finite Difference Time Domain Method [PDF]

open access: yesNanomaterials, 2021
Natural structural colors inspire people to obtain the technology of spectral characteristics by designing and preparing micro-nano structures on the material’s surface.
Xiaoran Ma   +4 more
doaj   +2 more sources

Simulating optical coherence tomography for observing nerve activity: A finite difference time domain bi-dimensional model. [PDF]

open access: yesPLoS ONE, 2018
We present a finite difference time domain (FDTD) model for computation of A line scans in time domain optical coherence tomography (OCT). The OCT output signal is created using two different simulations for the reference and sample arms, with a ...
Francesca Troiani   +2 more
doaj   +2 more sources

Electromagnetic Wave Propagation in Body Area Networks Using the Finite-Difference-Time-Domain Method [PDF]

open access: yesSensors, 2012
A rigorous full-wave solution, via the Finite-Difference-Time-Domain (FDTD) method, is performed in an attempt to obtain realistic communication channel models for on-body wireless transmission in Body-Area-Networks (BANs), which are local data networks ...
Raj Mittra, Jonathan N. Bringuier
doaj   +2 more sources

Comprehensive Numerical Analysis of Finite Difference Time Domain Methods for Improving Optical Waveguide Sensor Accuracy [PDF]

open access: yesSensors, 2016
This paper discusses numerical analysis methods for different geometrical features that have limited interval values for typically used sensor wavelengths.
M. Mosleh E. Abu Samak   +3 more
doaj   +2 more sources

Finite-difference time-domain modelling of photonic crystal structures [PDF]

open access: yesProceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488), 2002
The usual, highly efficient, modelling tools for planar optical devices are generally not suitable for modelling photonic crystal structures. For example, the beam propagation method fails when applied to these strongly scattering structures since presumptions are made on the propagation direction of the waves. The finite-difference time-domain method (
de Ridder, René M., Stoffer, Remco
openaire   +3 more sources

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

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

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