perfectly matched layer method
Perfectly Matched Layer in Numerical Wave Propagation: Factors that Affect its Performance
... The perfectly matched layer 共 PML 兲 boundary condition is generally employed to prevent spurious reflec- tions from numerical boundaries in wave propagation ...collocation method in our ...
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Stable perfectly-matched-layer boundary conditions for finite-difference time-domain simulation of acoustic waves in piezoelectric crystals
... absorbing layer with a quadratically increasing damping coefficient to dissipate the energy from any oscillations which reach the ...this method worked well in some cases, Chagla et ...
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GPU-Accelerated Fundamental Adi-FDTD with Complex Frequency Shifted Convolutional Perfectly Matched Layer
... In this paper, we shall present the GPU-accelerated FADI-FDTD with CFS-CPML. The conventional ADI-FDTD method with CFS- CPML is first cast into the compact matrix form. Based on [8], the matrix form is formulated ...
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A higher order perfectly matched layer formulation for finite-difference time-domain seismic wave modeling
... Therefore, an attempt is made to show that the higher order PML is capable of outperforming first-order schemes when minimizing the number of degrees of freedom required for optimization. This is achieved by using test ...
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Application of Symplectic MRTD with CPML in Analysis of EMP Propagation in Tunnel
... This method referred here is called convolution perfectly matched layer (CPML) [14, ...MRTD method with CPML absorbing boundary condition (ABC) is introduced into the tunnel ...
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FDTD Simulation of a Mobile Phone Operating near a Metal Wall
... used method for evaluating of electromagnetic fields in human ...the Perfectly Matched Layer ...absorbing layer and was backed by a perfect electric ...
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Uniaxial PML Absorbing Boundary Condition for Truncating the Boundary of DNG Metamaterials
... FDTD method is a good choice for these electromagnetic ...the perfectly matched layer (PML) has become the most popular and efficient absorbing boundary ...
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Study of UPML Absorbing Boundary Condition for the Five-Step LOD-FDTD Method
... anisotropic perfectly matched layer (UPML) absorbing boundary condition in unconditionally stable five-step locally one-dimensional finite-difference time-domain (LOD5-FDTD) method is ...
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Absorbing Performance of the Nearly PML with the CFS Factor
... (FDTD) method has gained widespread applications in electromagnetics ...the perfectly matched layer (PML) absorbing boundary condition is usually used ...
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Non Split PML Boundary Condition for Finite Element Time Domain Modeling of Ground Penetrating Radar
... DOI: 10.4236/jamp.2019.75073 1079 Journal of Applied Mathematics and Physics mited memory space, mesh space is always truncated somewhere to form a finite region. Then strong non-physical electromagnetic reflection ...
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Comparison of a finite difference and a mixed finite element formulation of the uniaxial perfectly matched layer
... element method for the approximation of the PML ...element method for a second order formulation of Maxwell’s ...FDTD method when a PML is used to terminate the computational ...FDTD method, ...
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Second-order scalar wave field modeling with a first-order perfectly matched layer
... our method and that of the classic SG PML method are almost the same and both methods are superior to the other two methods, while the hybrid ABC method is the ...our method and clas- sic SG ...
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A parameter free perfectly matched layer formulation for the finite element based solution of the Helmholtz equation
... the method works extremely well (and much better than many previously used absorbing functions) for problems involving non-planar waves ...the method outperforms the commonly used polynomial absorbing ...
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A Proposal on Cloud based Data Centre using Shared Memory of Mobile Storage by Virtualization
... In consequence, user’s mobile unused storage can be utilized to provide additional storage to the cloud server solving the emerging need of storage for the increasing users. Moreover, data on the mobile storage can be ...
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Perfectly matched 20 nucleotide guide RNA sequences enable robust genome editing using high fidelity SpCas9 nucleases
... High-fidelity SpCas9 variants (eSpCas9 and SpCas9-HF1) have been engineered to reduce off-target effects. We found that changes in guide RNA length induced significant reductions in the editing activities of SpCas9 ...
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Absorbing Boundary Conditions For Corner Regions
... The perfectly matched layer (PML) technique, proposed by B´erenger [4] in 1994, can be considered as a material absorber. Traveling waves entering the PML becomes evanescent to the extent that ...
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Numerical Method for Solving Electromagnetic Wave Scattering by One and Many Small Perfectly Conducting Bodies
... small perfectly conducting and impedance ...numerical method is developed for solving EM wave scattering by many small impedance ...small perfectly conducting bodies is considered. A numerical ...
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Impedance Matching for Discrete, Periodic Media and Application to Two-Scale Wave Propagation Models.
... multigrid method that is optimal for positive definite problems, do not work well for these problems [12] and there is significant interest to develop an effective and efficient ...
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The gradual emergence of spatially selective target processing in visual search: from feature specific to object based attentional control
... nontargets matched the target N2pc on competition trials, contralateral and ipsilateral ERPs measured on CMNT&T and SMNT&T trials were added, and the resulting contralateral-ipsilateral difference ...
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Spectrum Sensing in Cognitive Radio by Statistical Matched Wevelet Method and Matched Filter
... In CWT, the analysis of signals are done using a set of basic functions which relate to each other by simple scaling and translation. In the case of DWT, a time-scale representation of the digital signal is obtained ...
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