finite difference frequency domain algorithm
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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Finite-Difference Frequency-Domain Analysis of Linear Arrays of Dielectric Cylinders with the Adaptive Basis Functions/Diagonal Moment Matrix Technique
... Boundary integral equation not only can be applied as an absorbing boundary condition, but also can be used to set up the relationship between the FDFD method and the method of moment (MoM), which allows some efficient ...
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Breast Cancer Detection Using a Hybrid Finite Difference Frequency Domain and Particle Swarm Optimization Techniques
... length of 1.6 mm was moved in different positions inside the breast model. Assuming the size of the tumor is fixed. The FDFD/PSO hybrid algorithmdetected the position of the tumor in each case by searching only for 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
... Develop FDTD/PBC program is the main objective for this project. The main concern of the program is for modeling the Radar Absorbing Material. The FDTD program is to develop 3 dimensional structures and it based on ...
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A NON-OVERLAPPED PRINTED MONOPOLE ANTENNA FOR UWB APPLICATIONS
... GHz frequency band, is ...genetic algorithm (GA) and the finite-difference time-domain (FDTD) method with uniaxial perfectly matched layer (UPML) absorbing boundary ...high ...
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Crack Detection Using a Hybrid Finite Difference Frequency Domain and Particle Swarm Optimization Techniques
... PSO algorithm on the population generated in the second and third steps to go iteratively to the optimum solution, which should be within a certain specified value of the error between the scattered field of Step 1 ...
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An efficient finite difference time domain algorithm for band structure calculations of Phononic crystal
... Phononic crystals have attracted a great deal of research in recent years. These inhomogeneous structures are the periodic arrangement of inclusions in an elastically different material. The frequency range in ...
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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
... The main objective in this project is to develop FDTD/PBC program. Therefore the concept of 3D Finite Difference Time Domain (FDTD) method which uses Maxwell’s equation in the algorithm must ...
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Graphics Processor Unit (GPU) Acceleration of Finite-Difference Frequency-Domain (Fdfd) Method
... the most significant computation time during the iterative solution. Kernel functions based on the algorithm presented in Section 3 are developed to speed-up the calculations on GPU. Listing 1 shows a C function ...
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Electromagnetic Scattering Using GPU-Based Finite Difference Frequency Domain Method
... For the solution of the linear system of equations results from the FDFD technique, the BICG method is adapted as an iterative method to generate two sequences of conjugate (or orthogonal) vectors. These vectors are the ...
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Development Of 3D Finite-Difference Time-Domain (FDTD) Algorithm In Matlab For Dielectric Resonator Antenna Radiation Study
... is Finite-Difference Time-Domain ...in frequency domain for electromagnetic boundary or a volume integral equation that include the matrix equation that may generate a complex equation ...
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A Novel Domain Decomposition Finite Difference Time Domain Scheme Including Multiple Reflections
... the Domain Decomposition FDTD (DDFDTD) algorithm that includes the multiple reflection effects alluded to ...of frequency domain methods have been used to solve large electromagnetic problems ...
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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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Understanding the Finite-Difference Time-Domain Method. John B. Schneider
... As shown in line 9, snapshotInit() takes a single argument, a pointer to a Grid structure. This function prompts the user to set the appropriate snapshot control values. The snapshot files themselves are created by the ...
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Efficient Simulations of Periodic Structures with Oblique Incidence Using Direct Spectral FDTD Method
... 4. Roden, J. A., S. D. Gedney, M. P. Kesler, J. G. Maloney, and P. H. Harms, “Time-domain analysis of periodic structures at oblique incidence: Orthogonal and nonorthogonal FDTD implementations,” IEEE Trans. ...
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Thesis
... occurs when we examine the energy of the difference of the two approximate solutions. For low frequencies, the energy of the difference is relatively small. On the other hand, for high frequencies the ...
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Multiple-GPU-Based Frequency-Dependent Finite-Difference Time Domain Formulation Using MATLAB Parallel Computing Toolbox
... We presented a multi-GPU based frequency-dependent FDTD method using MATLAB for large-scale dispersive electromagnetic problems using NVidia Tesla GPU cards. In the presented method, there is no need to administer ...
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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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Parallel FDTD Simulation Using Numa Acceleration Technique
... Abstract—In this paper, we introduce a new non-uniform memory access (NUMA) acceleration algorithm for parallel finite-difference time-domain (FDTD) method on NUMA architecture workstation. We ...
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