Large-scale FDTD computation for computational electromagnetics [PDF]
Our recent studies related to the large-scale FDTD computation for computational electromagnetics are presented as an activity report. In this paper, high accuracy FDTD methods and the FDTD parallel computaion are described.
Kashiwa, Tatsuya
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From Time-Collocated to Leapfrog Fundamental Schemes for ADI and CDI FDTD Methods
The leapfrog schemes have been developed for unconditionally stable alternating-direction implicit (ADI) finite-difference time-domain (FDTD) method, and recently the complying-divergence implicit (CDI) FDTD method.
Eng Leong Tan
doaj +1 more source
Seismic Numerical Simulation Based on Half-precision Floating-point Number Optimization and OpenMP
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 analysis of general two-dimensional PEC structures using a modified CPFDTD algorithm [PDF]
The use of the contour path finite difference time domain (CPFDTD) method with locally distorted contours has been shown to give accurate results for curved metal structures.
Schneider, JB, Railton, CJ, Craddock, IJ
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Novel structure of optical add/drop filters and multi-channel filter based on photonic crystal for using in optical telecommunication devices [PDF]
In this paper, Using a 2D photonic crystal and a novel square ring resonator,several compact and simple structures have been introduced in the present paper toconstruct optical add/drop filters and multi-channel filter.
Vahid Fallahi, Mahmood Seifouri
doaj
1D Quantum Simulations of Electron Rescattering with Metallic Nanoblades
Electron rescattering has been well studied and simulated for cases with ponderomotive energies of the quasi-free electrons, derived from laser−gas and laser−surface interactions, lower than 50 eV.
Joshua Mann +2 more
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Finite difference time domain simulation of the Earth-ionosphere resonant cavity: Schumann resonances [PDF]
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 ...
Morente, JA +5 more
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Optimizing FDTD Memory Bandwidth by Using Block Float-Point Arithmetic
Finite-difference time-domain is a numerical method used for modelling of computational electrodynamics. The method is resource intensive, especially regarding memory usage. Multiple memory accesses are required per single computation so memory bandwidth
Stefan Pijetlovic +2 more
doaj +1 more source
Perfectly Matched Layer for Accurate FDTD for Anisotropic Magnetized Plasma [PDF]
In this work, we propose a stable perfectly matched layer (PML) for accurate finite-difference time-domain (FDTD) methods for analyzing electromagnetic wave propagation in the anisotropic magnetized plasma region.
Jeahoon Cho +2 more
doaj +1 more source
Practical method for the determination of time step in non-orthogonal FDTD
The Non-Orthogonal FDTD algorithm is well-suited to the modelling of curved structures, however users of the technique frequently have difficulty determining an appropriate time step for the algorithm.
Nilavalan, R, Railton, CJ, Craddock, IJ
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