frequency domain finite difference
Computation of the Modes of Elliptic Waveguides with a Curvilinear 2D Frequency-Domain Finite-Difference Approach
... as Finite Differences and Finite ...the Frequency-Domain Finite- Difference approach (FDFD) [18], namely the direct discretization of the differential eigenvalue problem, is the ...
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Development Of Finite-Difference Time-Domain (FDTD)/ Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At Ku Band Frequency
... In term of solving Radar Absorbing Material (RAM) problem, the commercial software has limitation in function of creating the shape of Frequency Selective Surface (FSS). In the commercial software, random shape ...
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Investigating block mask lithography variation using finite-difference time-domain simulation
... Even with a 15 nm RMSE value for the ArF OPC and wafer topography simulation model, the simulation is able to produce a meaningful result for exposure intensity variance with pitch frequency. Figure 41 is ...
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Modeling and Analysis of Printed Antenna Using Finite Difference Time Domain Algorithm
... wide frequency range with a single simulation ...resulting finite-difference equations are solved in either software or hardware in a leapfrog manner: the electric field vector components in a volume ...
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Comparison of a finite difference and a mixed finite element formulation of the uniaxial perfectly matched layer
... the finite element method for the approximation of the PML ...based finite element method for a second order formulation of Maxwell’s ...vector finite element methods for the discretization of the ...
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Understanding the Finite-Difference Time-Domain Method. John B. Schneider
... single frequency is of interest, the FDTD method used in a quasi-harmonic way may still be the best numerical tool to analyze the ...the frequency of interest which also corresponds to the frequency ...
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Finite-Difference Time-Domain Analysis of Periodic Anisotropic Media
... width of the pulse in time domain. The frequency information can be extracted by applying the discrete Fourier transformation (DFT) during time-marching in the FDTD simulation. The phenomena in the ...
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A Krylov Space Based Finite Element Time Domain Method for Broadband Frequency Domain Solutions
... and frequency-domain methods. Finite-difference time-domain (FDTD) methods have been widely adopted for solving different kinds of wave propagation ...time domain methods have ...
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An efficient finite difference time domain algorithm for band structure calculations of Phononic crystal
... Now, finite difference method may be used to discretize the displacement-based ...based finite difference time domain (DBFDTD), is given in the ...the frequency spectrum. Peaks ...
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Absorbing Performance of the Nearly PML with the CFS Factor
... The finite-difference time-domain (FDTD) method has gained widespread applications in electromagnetics ...low frequency and evanescent waves and reduce late-time ...complex ...
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Finite-Difference Time-Domain Methods for Electromagnetic Problems Involving Biological Bodies
... Due to its simplicity and capabilities, the PIM was implemented as a part of this dissertation using arbitrarily oriented cylindrical wire elements to verify numerical re- sults obtained by the Thin-Strut FDTD method. ...
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A Study of Time-Domain and Frequency- Domain Techniques in Electromagnetics
... Finite difference time domain technique involves approximating ...by finite difference equations which are often discretized at spatial and time intervals [10], where the source is ...
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A finite difference time domain model of an eddy current based measurement system
... electrical and magnetical field properties. Calculation of the fields is done in a leapfrogging manner. Since it is a time-domain method, solutions can cover a wide frequency range with a single simulation ...
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A Novel Domain Decomposition Finite Difference Time Domain Scheme Including Multiple Reflections
... 5.5 cm. The source is an electric field with Ez polarization,which is located in a plane at 7 cm from the front face of the structure. The field source is a modulated Gaussian pulse with a modulation frequency of ...
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Shift-Operator Finite Difference Time Domain Analysis of Chiral Medium
... of this chiral medium that attenuate the high frequency components of incident pulse. This property is quite clear in the multiple reflections that correspond to the late response of the reflection coefficient and ...
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Improvement of Computational Performance of Implicit Finite Difference Time Domain Method
... From all the above, we can conclude that BiCGStab outperforms GMRES in computational efficiency. This finding is in contrary to that of [10] which reports that GMRES is the fastest for the frequency-independent ...
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Finite Difference Solution of the Helmholtz Equation Based on Two Domain Decomposition Algorithms
... geophysical frequency-domain in- version, one needs to do forward modeling which means solving the Helmholtz ...The finite element method and the finite difference method have been used ...
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Numerical Simulation of Fragment-Type Antenna by Using Finite Difference Time Domain (FDTD)
... High Frequency Structure Simulator (HFSS) [9], and FDTD Simulation software (XFDTD) ...expensive. Finite Difference Time Domain (FDTD) source code becomes an excellent solution because of its ...
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Modeling of electromagnetic wave penetration in a human head due to emissions from cellular phone
... In this study, Finite Difference Frequency Domain FDFD technique was used to evaluate the electric field and SAR distribution in a human head due to the emissions f r o m cellular phone [r] ...
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Multiple-GPU-Based Frequency-Dependent Finite-Difference Time Domain Formulation Using MATLAB Parallel Computing Toolbox
... To validate the MATLAB multi-GPU FD-FDTD program, we placed an excitation, polarized in the Y direction in front of the knee in the G id= 4 GPU’s computational area in Figure 1 and placed two probes behind the knee (G ...
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