finite-different time-domain
Development Effective Permittivity Algorithm For Conformal Structure In 3D Finite Different Time Domain (FDTD)
... to time dependent Maxwell‟s equation that introduce by Yee ...and time derivates are replaced by a finite difference time domain because in FDTD no matrix operations have to be ...
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Modeling and Analysis of Printed Antenna Using Finite Difference Time Domain Algorithm
... This is one of those times when it is better to use cells with different sizes in the different directions. Following the example of sheen, et al. [5], we choose Δx = 0.389 mm, Δy = 0.4 mm and Δz = 0.265 ...
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Source excitation strategies for obtaining impulse responses in finite difference time domain room acoustics simulation
... these different source models have different physical interpretations (see ...with different practical consequences as a result, and it is this latter point that is the focus of this ...
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Shift-Operator Finite Difference Time Domain Analysis of Chiral Medium
... One of the earliest rigorous formulations for solving chiral media problems by using FDTD was introduced by Akyurtlu and Werner [3]. Their analysis is based on calculating the dispersive properties of chiral medium as ...
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An efficient finite difference time domain algorithm for band structure calculations of Phononic crystal
... Consider propagation of the elastic wave in the XY plane. Therefore the displacement of the lattice and its stress tensor do not depend on z. With this assumption, there are two decoupled vibrational modes: mixed mode ...
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Finite-Difference Time-Domain Analysis of Periodic Anisotropic Media
... completely different based on the presence or absence of circular birefringence: elliptical PGs only with linear birefringence (case 1) and with both linear and circular birefringence (case ...
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Waveguide Simulation Using the High-Order Symplectic Finite-Difference Time-Domain Scheme
... symplectic finite-difference time-domain (SFDTD) scheme to analyze the three- dimensional guided-wave ...the time direction, different from the five-stage fourth-order symplectic ...
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A Krylov Space Based Finite Element Time Domain Method for Broadband Frequency Domain Solutions
... based time domain approach for frequency domain ...traditional time domain ...on. Different from existing work, the proposed algorithm is derived directly from discrete Fourier ...
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Reduction of Specific Absorption Rate (SAR) in the Human Head with Ferrite Material and Metamaterial
... the finite-difference time-domain method with Lossy-Drude model by CST Microwave ...model, different widths, different thicknesses, and different heights of materials and ...
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Comparison of a finite difference and a mixed finite element formulation of the uniaxial perfectly matched layer
... of different energies for the UPML, under certain as- sumptions, to demonstrate the well-posedness of this ...mixed finite element method for the time domain discretization of the UPML to ...
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The finite difference time domain method for computational electromagnetics
... For the 1D FDTD simulation, the need to simulate an infinite space when using FDTD was pointed out. ABC is a method to meet this need. Mur’s first- order ABC was, step by step, derived from wave equation in details. ...
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Investigation of Wave Propagation in Different Dielectric Media by Using Finite Difference Time Domain (FDTD) Method
... In (5) and (6) time is specified by the superscripts, i.e., n actually means a time t= t. n. The term n+1 means one step later. The term in parentheses represent distance, i.e., k actually means the ...
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A Cell-Vertex Finite Volume Time Domain Method for Electromagnetic Scattering
... of time-dependent Euler equations of gas dynamics [5]. In Ni’s finite- volume time integration scheme, the fluctuation is calculated based on state vector stored at cell vertices and distributed to ...
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Finite-Difference Time-Domain Methods for Electromagnetic Problems Involving Biological Bodies
... applications. Different coil geometries are studied as examples for the retinal prosthesis under considera- ...many different coil configurations and/or ...
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A finite difference time domain model of an eddy current based measurement system
... Besides these dimensions, holes with diameters varying from 1 · 10 −3 m to 2 · 10 −2 m (5 - 100 cells) need to be detected. To simulate a scanning motion, the hole moves in a number of steps underneath the sensor. As a ...
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Development Of Finite-Difference Time-Domain (FDTD) / Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At X-Band Frequency
... Using the combination of FDTD and PBC, only one unit cell need to be model and this can save more memory space of the computer compare to simulating the whole project that includes so many unit cells. Besides, the ...
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Comparison of Time-Domain Finite-Difference, Finite-Integration, and Integral-Equation Methods for Dipole Radiation in Half-Space Environments
... The time domain scheme of the GB-IBEM method has shown some advantages over commonly used point-matching techniques (such as the avoidance of kernel quasi-singularity, faster convergence, and easier ...
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Understanding the Finite-Difference Time-Domain Method. John B. Schneider
... computational domain, and the ABC on the left hand side is the same as ...computational domain begins and ends on an electric-field ...computational domain begin and end with the same field type, but ...
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Finite element time domain method with a unique coupled mesh system for electromagnatics and photonics
... a finite element based technique to solve the electromagnetic time domain problem in a fast and efficient manner which can be considered as a realistic alternative to the standard FDTD ...linear ...
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A time domain approach to power integrity for printed circuit boards
... frequency domain solutions, a time domain solution captures the response over the bandwidth of the stimulus waveform in a single run and can be more efficient for the large bandwidths resulting from ...
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