Results 21 to 30 of about 730,430 (197)
Journal of Physics: Theories and Applications, 2018 The purpose of this paper is to show some improvements of the finite-difference time domain (FDTD) method using Numerov and non-standard finite difference (NSFD) schemes for solving the one-dimensional Schrödinger equation.
Lily Maysari Angraini, I Wayan Sudiarta
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Exploiting graph neural networks to perform finite-difference time-domain based optical simulations
APL Photonics, 2023 Having an artificial neural network that solves Maxwell’s equations in a general setting is an intellectual challenge and a great utility. Recently, there have been multiple successful attempts to use artificial neural networks to predict electromagnetic
L. Kuhn, T. Repän, C. Rockstuhl
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Inferring Drumhead Damping and Tuning from Sound Using Finite Difference Time Domain (FDTD) Models
Acoustics, 2023 Percussionists use a multitude of objects and materials, mounted on their instruments, to achieve a satisfying sound texture. This is a tedious process as there are no guidelines suggesting how to manipulate a percussion instrument to adjust its ...
Chrisoula Alexandraki +3 more
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Applied Sciences, 2021 Most simulations involving metamaterials often require complex physics to be solved through refined meshing grids. However, it can prove challenging to simulate the effect of local physical conditions created by said metamaterials into much wider ...
Eric Ballestero +6 more
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Stability analysis of second- and fourth-order finite-difference modelling of wave propagation in orthotropic media [PDF]
, 2010 The stability of the finite-difference approximation of elastic wave propagation in orthotropic homogeneous media in the three-dimensional case is discussed.
Veres, Istvan
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Finite Difference Time-Domain Modelling of Metamaterials: GPU Implementation of Cylindrical Cloak
Advanced Electromagnetics, 2013 Finite difference time-domain (FDTD) technique can be used to model metamaterials by treating them as dispersive material. Drude or Lorentz model can be incorporated into the standard FDTD algorithm for modelling negative permittivity and permeability ...
A. Dawood
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Modelling metallic discontinuities with the non-orthogonal finite difference time domain method [PDF]
, 2004 Numerical electromagnetic models, such as the finite difference time domain (FDTD) method, have many applications. The authors focus on the non-orthogonal FDTD method, which offers an improved geometric flexibility compared to other standard techniques ...
C.J. Railton +7 more
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Quantum Electromagnetic Finite-Difference Time-Domain Solver [PDF]
Quantum Reports, 2020 We employ another approach to quantize electromagnetic fields in the coordinate space, instead of the mode (or Fourier) space, such that local features of photons can be efficiently, physically, and more intuitively described. To do this, coordinate-ladder operators are defined from mode-ladder operators via the unitary transformation of systems ...
Dong-Yeop Na, Weng Cho Chew
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Finite-Difference Time-Domain Simulations
, 2021 This work discusses the Finite-Difference Time-Domain (FDTD) technique to simulate an electromagnetic wave assuming one, two and three dimensions. The propagation medium is assumed to be a free space bounded by two absorbing boundaries, perfect matched layer (PML) and perfect electric conductor (PEC).
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Finite difference time domain simulation of the Earth-ionosphere resonant cavity: Schumann resonances [PDF]
, 2005 This paper presents a numerical approach to study the electrical properties of the Earth's atmosphere. The finite-difference time-domain (FDTD) technique is applied to model the Earth's atmosphere in order to determine Schumann resonant frequencies of ...
Craddock, IJ +5 more
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