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Perfectly Matched L

Perfectly matched layers in negative index metamaterials and plasmas*

Perfectly matched layers in negative index metamaterials and plasmas*

... R´ esum´ e. Ce travail porte sur la stabilit´ e des Couches Absorbantes Parfaitement Adapt´ ees (Perfectly Matched Layers, PMLs). La premi` ere partie est un r´ ecapitulatif de r´ esultats ant´ erieurs pour ...

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Second-order scalar wave field modeling with a first-order perfectly matched layer

Second-order scalar wave field modeling with a first-order perfectly matched layer

... a perfectly matched layer is one of the most effective ...traditional perfectly matched layer algorithm is calculated using a staggered grid based on the first-order wave equation, which is ...

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Stable perfectly-matched-layer boundary conditions for finite-difference time-domain simulation of acoustic waves in piezoelectric crystals

Stable perfectly-matched-layer boundary conditions for finite-difference time-domain simulation of acoustic waves in piezoelectric crystals

... Since it was first introduced by Berenger in 1994 [4], the perfectly matched layer (PML) has been used extensively in FDTD simulations of electromagnetic waves. It may be viewed as an analytic continuation ...

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GPU-Accelerated Fundamental Adi-FDTD with Complex Frequency Shifted Convolutional Perfectly Matched Layer

GPU-Accelerated Fundamental Adi-FDTD with Complex Frequency Shifted Convolutional Perfectly Matched Layer

... Abstract—This paper presents the graphics processing unit (GPU) accelerated fundamental alternating-direction-implicit finite-difference time-domain (FADI-FDTD) with complex frequency shifted convolu- tional ...

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A parameter free perfectly matched layer formulation for the finite element based solution of the Helmholtz equation

A parameter free perfectly matched layer formulation for the finite element based solution of the Helmholtz equation

... In the present paper we will concentrate on the imposition of the radiation condition by perfectly matched layers (PMLs) which were first introduced by B´ erenger [11] in the context of electromagnetic wave ...

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Comparison of a finite difference and a mixed finite element formulation of the uniaxial perfectly matched layer

Comparison of a finite difference and a mixed finite element formulation of the uniaxial perfectly matched layer

... The effective modeling of waves on unbounded domains by numerical methods, such as the finite difference method or the finite element method, is dependent on the particular ab- sorbing boundary condition used to truncate ...

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A higher order perfectly matched layer formulation for finite-difference time-domain seismic wave modeling

A higher order perfectly matched layer formulation for finite-difference time-domain seismic wave modeling

... We have developed a higher order perfectly matched layer (PML) formulation to improve the absorption performance for finite-difference time-domain seismic modeling. First, we outlined a new unsplit “ ...

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Perfectly Matched Layer in Numerical Wave Propagation: Factors that Affect its Performance

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 ...

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Time domain electromagnetic scattering using perfectly matched layers

Time domain electromagnetic scattering using perfectly matched layers

... variable. Perfectly Matched Layers (PMLs) and an absorbing boundary condition are used to damp waves interacting with artificial boundaries imposed to allow finite compu- tational ...

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Study of UPML Absorbing Boundary Condition for the Five-Step LOD-FDTD Method

Study of UPML Absorbing Boundary Condition for the Five-Step LOD-FDTD Method

... anisotropic perfectly matched layer (UPML) absorbing boundary condition (ABC) in unconditionally stable five-step locally one-dimensional finite-difference time-domain (LOD5- FDTD) method is ...

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Impedance Matching for Discrete, Periodic Media and Application to Two-Scale Wave Propagation Models.

Impedance Matching for Discrete, Periodic Media and Application to Two-Scale Wave Propagation Models.

... Perfectly Matched Layers (PML) [4] is a class of ABCs that is very popular for wave propagation in homogeneous media and have also been applied to the periodic ...not perfectly matched (even ...

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FDTD Simulation of a Mobile Phone Operating near a Metal Wall

FDTD Simulation of a Mobile Phone Operating near a Metal Wall

... Abstract —The Finite-Difference Time-Domain (FDTD) is the most often used method for evaluating of electromagnetic fields in human tissue. This paper presents a study of heating effects resulted from using a mobile phone ...

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Uniaxial PML Absorbing Boundary Condition for Truncating the Boundary of DNG Metamaterials

Uniaxial PML Absorbing Boundary Condition for Truncating the Boundary of DNG Metamaterials

... The plane-wave propagation in a material whose permittivity and permeability are assumed to be simultaneously negative is theoretically investigated by Veselago [1]. Recently, several papers have exposed the usefulness ...

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Non Split PML Boundary Condition for Finite Element Time Domain Modeling of Ground Penetrating Radar

Non Split PML Boundary Condition for Finite Element Time Domain Modeling of Ground Penetrating Radar

... condition, Perfectly Matched Layer (PML) has been widely used in Finite Difference Time Domain (FDTD) si- mulation of Ground Penetrating Radar (GPR) based on the first order elec- tromagnetic wave ...

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gprMax: open source software to simulate electromagnetic wave propagation for ground penetrating radar

gprMax: open source software to simulate electromagnetic wave propagation for ground penetrating radar

... order Perfectly Matched Layers (PMLs) using a recursive integration approach; diagonally anisotropic materials; dispersive media using multi-pole Debye, Drude or Lorenz expressions; soil modelling using a ...

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Absorbing Performance of the Nearly PML with the CFS Factor

Absorbing Performance of the Nearly PML with the CFS Factor

... The finite-difference time-domain (FDTD) method has gained widespread applications in electromagnetics [1]. To model electromagnetic wave propagation in unbounded space, the perfectly matched layer (PML) ...

5

Absorbing Boundary Conditions For Corner Regions

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 reflected ...

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Application of Symplectic MRTD with CPML in Analysis of EMP Propagation in Tunnel

Application of Symplectic MRTD with CPML in Analysis of EMP Propagation in Tunnel

... In this work, the CFS-PML based on a stretched-coordinate and a recursive convolution is developed for the S-MRTD scheme. This method referred here is called convolution perfectly matched layer (CPML) [14, ...

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Efficient partnership formation in networks

Efficient partnership formation in networks

... a perfectly matched player requests a favor, the last neighbor in the order with whom he shares an efficient link—another perfectly matched player—agrees to provide the ...

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The Effects of Residual Blood of Carcasses on Poultry Technological Quality

The Effects of Residual Blood of Carcasses on Poultry Technological Quality

... Poultry colour is determined with Minolta CR 300. The Instrumental is set to measure CIE LAB * colour values that represent lightness (L * ), redness (A * ), and yellowness (B * ). All measurements are carried out ...

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