finite difference time-domain space
The finite difference time domain method for computational electromagnetics
... XFDTD can be run on multiple processor computers and it is able to have parallel computation. XFDTD requires Windows 2000/XP for 32-bit operating systems. It needs minimum 256 MB RAM. However, 512 MB (or more) RAM is ...
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Finite-Difference Time-Domain Analysis of Periodic Anisotropic Media
... The finite difference expressions for the time derivatives are central difference in nature and second-order ...in time in what is termed a leapfrog arrangement with the spatial ...
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Modeling and Analysis of Printed Antenna Using Finite Difference Time Domain Algorithm
... Finite-difference time-domain (FDTD) is a popular computational electrodynamics modeling ...a time-domain method, solutions can cover a wide frequency range with a single ...
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Rigorous analysis of numerical methods: a comparative study
... of finite difference equations, thus showing the discretisation of space and time (Yee ...of time-varying media and also formed the basis of the Finite Difference ...
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Time Reversal for Soft Faults Diagnosis in Wire Networks
... reverse time algorithm simulated with FDTD (Finite Difference Time Domain) is developed in a one dimension ...reverse time method will be also shown and applied in this ...
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Improvement of Computational Performance of Implicit Finite Difference Time Domain Method
... computational space was 320 × 160 × 220 voxels from the top of the ...LN time steps. With the OpenMP code, the CPU time has been greatly reduced when CFLN = 1 and as expected, the most significant ...
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A Krylov Space Based Finite Element Time Domain Method for Broadband Frequency Domain Solutions
... methods: time-domain and frequency-domain methods. Finite-difference time-domain (FDTD) methods have been widely adopted for solving different kinds of wave propagation ...
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Waveguide Simulation Using the High-Order Symplectic Finite-Difference Time-Domain Scheme
... traditional finite-difference time- domain (FDTD) method [1, 2], which is explicit and second-order accurate in both space and time, has been widely applied to modeling and ...
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A finite difference time domain model of an eddy current based measurement system
... the space needed by the coils. If also free space around the coil is taken into account (about 15 cells), the total size becomes roughly: 150 x 240 x 130 ...of time with a sufficient number of ...
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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 1.5 GHz ...
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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 ...both space and time ...based finite difference time domain (DBFDTD), is given in ...
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Finite-Difference Time-Domain Methods for Electromagnetic Problems Involving Biological Bodies
... Graded mesh step sizes, as are necessary for a local refinement of the FDTD modeling space, pose another difficulty that has to be overcome [31,40]. If the leapfrog scheme of the Yee grid is implemented on 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
... memory space of the computer compare to simulating the whole project that includes so many unit ...computational time taken will be more efficient when this method is done to simulate several periodic ...
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Investigation of Wave Propagation in Different Dielectric Media by Using Finite Difference Time Domain (FDTD) Method
... in time (the time derivative) is dependent on the change in the H-field across space (the ...FDTD time- stepping relation that, at any point in space, the updated value of the E-field ...
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Comparison of Time-Domain Finite-Difference, Finite-Integration, and Integral-Equation Methods for Dipole Radiation in Half-Space Environments
... with a spatial discretisation of Δx = Δy = Δz = 10 mm as a good compromise between accuracy and computational resources † . Therefore, a 10 × 10 × 1000 mm rectangular cuboid was used to represent the cylindrical shape of ...
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PubMedCentral-PMC5741097.pdf
... Time domain finite difference simulations are used extensively to simulate wave ...discrete domain with a grid spacing that is typically on the order of a tenth of a ...custom ...
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Finite element time domain method with a unique coupled mesh system for electromagnatics and photonics
... of time-step, for optimisation calculation equal division of time-step is ...the space discretisation, it is assumed that the time discretisation should remain the ...
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Analysis on Research and Education for Electromagnetic-Applied Subjects with Finite Difference Time Domain Theory
... Finite-Difference Time-Domain (FDTD) method is a recognized practice for the investigation of quantum devices in semiconductor technology for research purposes ...and time step should ...
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Generalized Alternating Direction Implicit Finite Difference Time Domain Method in Curvilinear Coordinate System
... In this paper, the ADI-FDTD scheme is extended into the nonorthogonal coordinate system to achieve an ADI- NFDTD algorithm. The stability, accuracy and efficiency of the proposed scheme are validated by the cylindrical ...
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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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