Results 41 to 50 of about 51,337 (249)

Seismic Numerical Simulation Based on Half-precision Floating-point Number Optimization and OpenMP

open access: yesCT Lilun yu yingyong yanjiu
Studying the propagation law of seismic wavefields is the basis of seismic exploration. The finite difference method is commonly used to solve the wave equation for seismic forward modeling, which has advantages of low memory usage, fast computation ...
Wenge LIU   +4 more
doaj   +1 more source

The HIE-FDTD Method for Simulating Dispersion Media Represented by Drude, Debye, and Lorentz Models

open access: yesNanomaterials, 2023
The hybrid implicit–explicit finite-difference time-domain (HIE-FDTD) method is a weakly conditionally stable finite-difference time-domain (FDTD) method that has attracted much attention in recent years. However due to the dispersion media such as water,
Juan Chen, Chunhui Mou
doaj   +1 more source

Finite-Difference Time-Domain Study of Guided Modes in Nano-plasmonic Waveguides

open access: yes, 2007
A conformal dispersive finite-difference time-domain (FDTD) method is developed for the study of one-dimensional (1-D) plasmonic waveguides formed by an array of periodic infinite-long silver cylinders at optical frequencies.
Hao, Yang, Zhao, Yan
core   +2 more sources

The analysis of medium-sized arrays of complex elements using a combination of FDTD and reaction matching [PDF]

open access: yes, 1999
This document is made available in accordance with publisher policies. Please cite only the published version using the reference above.
Hilton, GS, Railton, CJ
core   +3 more sources

Bio‐Inspired Magnetically Tunable Structural Colors from Elliptical Self‐Assembled Block Copolymer Microparticles

open access: yesAdvanced Functional Materials, EarlyView.
Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta   +8 more
wiley   +1 more source

Uncertainty Analyses in the Finite-Difference Time-Domain Method [PDF]

open access: yes, 2010
Providing estimates of the uncertainty in results obtained by Computational Electromagnetic (CEM) simulations is essential when determining the acceptability of the results.
Edwards, R.S.   +2 more
core   +1 more source

Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna

open access: yesAdvanced Functional Materials, EarlyView.
We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz   +9 more
wiley   +1 more source

FDTD Simulation of Near-Field Radiative Heat Transfer between Thin Films Supporting Surface Phonon Polaritons: Lessons Learned

open access: yesJournal of Thermal Science and Technology, 2013
We present the numerical simulation, using the finite difference time domain (FDTD) method, of the radiative heat transfer between two thin SiC slabs. We aim to explore the ability of the FDTD method to reproduce the analytical results for the Surface ...
Alejandro DATAS   +2 more
doaj   +1 more source

Investigation of numerical dispersion with time step of the FDTD methods: avoiding erroneous conclusions

open access: yesIET Microwaves, Antennas & Propagation, 2021
To obtain high accuracy and efficiency in the simulations, an optimum time step should be taken in finite‐difference time‐domain (FDTD) methods. The authors investigated how time steps impact on numerical dispersion of two FDTD methods including the FDTD(
Yu Cheng   +3 more
doaj   +1 more source

Error between unconditionally stable FDTD methods and conventional FDTD method

open access: yesElectronics Letters, 2006
Both the ADI-FDTD method and the CN-FDTD method can be viewed as approximate factorisation of the conventional FDTD scheme, so the error between these methods and the conventional FDTD method is obtained. It is shown that the error is associated with the time step size, the permittivity and the permeability of the medium, and the spatial variation rate
J. Chen, J. Wang
openaire   +1 more source

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