finite-different time-domain method
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 ...
10
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 in time ...
9
Development Effective Permittivity Algorithm For Conformal Structure In 3D Finite Different Time Domain (FDTD)
... differential time domain Maxwell equation of Cartesian coordinate to simulate object built by electromagnetic ...the finite difference time domain method for modeling full wave ...
24
The Method of Lines in the time domain
... with finite differences and use analytic expressions for the remaining ...the time domain algorithm, we discretize in z-direction and treat the time dependency ...in finite difference ...
7
Investigation of Nanoscale Photonic Crystal Arrays on Gallium Nitride Blue Light emitting Diodes
... expansion method and the finite difference time domain method for photonic crystal arrays on blue GaN light-emitting diodes with the emitting wavelength of 463 ...
5
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 ...
44
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 ...
15
Analysis on Photo Emission and Absorbing Spectrum on GaN Sample by Finite Difference Time Domain Method
... In most cases, the long-established incident plane wave analysis to thin film transmission and reflection exertions presumes that the films are of homogeneous thickness and have a smooth surface morphology. In reality, ...
6
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 ...
294
Efficient Implementation of Higher-Order Finite Volume Time-Domain Method for Electrically Large Scatterers
... FVTD method has also been addressed through use of local time-stepping [14] and hybrid FVTD-integral Equation (15) ...hybrid method in the time-domain combining FVTD and PO ...and ...
22
Computational Methods for Three Coupled Nonlinear Schrödinger Equations
... The method is of second order accuracy in time and fourth order in space, it is implicit unconditionally stable, see Ismail ...point method and this will be discussed ...generalized finite ...
23
Numerical Solution of Irrotational Fluid Flow Problem Using Finite Element Method
... The Finite Element Method has its advancement over other finite difference methods due to taken into consideration the irregular shape domain of ...The domain of interest on which ...
10
Rigorous analysis of numerical methods: a comparative study
... propagation method was first applied to optoelectronics in 1980 (Feit and Fleck 1980) and the solutions for the optical waveguides can be made to generate mode- related properties such as propagation constants, ...
14
Development Of Finite-Difference Time-Domain (FDTD) / Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At X-Band Frequency
... The commercial software sold by developer is normally too expensive for normal people. Some people will find easy way by using pirate license to activate the software. But this is unethical action and the people that ...
24
Parallel FDTD Electromagnetic Simulation of Dispersive Plasmonic Nanostructures and Opal Photonic Crystals in the Optical Frequency Range
... In the first chapter a modified Recursive Convolution algorithm for the FDTD analysis of Drude dispersive media is proposed. The algorithm has been tested by comparing the electric field and the extinction coefficient ...
136
Analysis of 3-Dimensional Electromagnetic Fields in Dispersive Media Using CUDA
... solution domain by an 8-cell CPML ...4100 time steps and the results of the y-component of the electric field are recorded on the vacuum-Polystyrene boundary and plotted in Figure ...the time ...
12
A Study of Time-Domain and Frequency- Domain Techniques in Electromagnetics
... In today’s world, CEM has become an integral part of developmental process in the creation of electromagnetic devices like antenna, microwave ovens, attenuators, waveguides etc. with a lot of advantages. These advantages ...
5
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 ...
9
Simulation and Numerical Modeling of a Rectangular Patch Antenna Using Finite Difference Time Domain (FDTD) Method
... we proposed to apply the FDTD method to modeling a rectangular patch antenna whose dimensionsare shown in Figure2 [5]. So we are interested to resolving 12 equations concerning field components variation that are ...
8
Finite-Difference Time-Domain Simulation of Light Propagation in 2D Periodic and Quasi-Periodic Photonic Structures
... The finite difference approximation of equation sets (9) – (11) implies a set of equations that can be solved explicitly ...and time, so that they can be calculated as: ...
6