[PDF] Top 20 Improvement of Computational Performance of Implicit Finite Difference Time Domain Method

... a time evolution of a modulated Gaussian pulse centered at 3 ...600 time steps of the E z field component at the observation point are shown in Figure 2 computed both with standard explicit frequency ... See full document

... 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 ... See full document

... Finite difference time domain technique involves approximating ...by finite difference equations which are often discretized at spatial and time intervals [10], where the ... See full document

... This paper presents an efficient approach for integrating the LLG equation into the FDTD grid whereby the vector magnetisation was located at the grid cell corners. This implementation provides simple and more accurate ... See full document

... 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 ... See full document

... the finite difference method or the finite element method, is dependent on the particular ab- sorbing boundary condition used to truncate the computational ...the time ... See full document

... Figure 1(a) shows tha tthe OGG method consists of two meshes. Layer 1 is called the main mesh (dashed line), and it covers the entire computational domain. Layer 2, known as the sub-mesh (solid ... See full document

... The computational space is composed of two parts, one for the antenna and the second for the conditions UPML which is surrounded by surface type PEC (Perfect Conductor Electric), where the electric field must be ... See full document

... direction implicit finite difference time domain (ADI-FDTD) method is presented in this ...FDTD method is reformulated in the form similar to conventional explicit FDTD ... See full document

... 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 ... See full document

... The finite difference time domain (FDTD) method is a popular technique, being used suc- cessfully to analyse the electromagnetic properties of many structures, including a range of ... See full document

... The Finite-Difference Time-Domain (FDTD) method is the numerical technique we deal ...FDTD method [2] and its successive enrichments, such as the pulsed FDTD method, the ... See full document

... text3 = ['In this one dimensional FDTD demonstration, the source frequency is set to 1GHz. '; 'Nonpermeable media is choosen. In this case, the permeability is the free-space '; 'permeability and the equivalent magnetic ... See full document

... Gauss-Seidel method which is briefly ...Central Difference Scheme. In Section 3, we give the Finite Element Method, bilinear interpo- lation in P 1 , Gauss Quadrature, Finite Element ... See full document

... Different from the previous memristor-incorporated FDTD method, the memristance in the second method is not involved in the FDTD update scheme. If the memristance is required, it still could be calculated ... See full document

... The analytical solutions given in Eq. 4.1 for diffraction efficiencies are simple and effective in most cases. Those expressions, however, are no longer valid at highly oblique incidence where the paraxial approximation ... See full document

... 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 ... See full document

... . The permittivity ǫ(~x) and the magneti permeability tensor µ(~x) are varying in spae, time-invariant and both positive funtions. Our goal is to solve system (1) in a domain Ω with boundary ∂Ω = Γ a ∪ Γ m ... See full document

... 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 ... See full document

... in time than other Krylov subspace methods (see, for example, [10]) for stiff systems of ODE, and, as shown in [11], they are also quite stable, consid- ering that they are explicit ... See full document