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numerical absorbing boundary condition

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

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

... ing boundary condition is shown to be unstable when it is extended to truncate the boundary of the double negative (DNG) ...DNG-UPML. Numerical results demonstrate the effectiveness and ...

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A Generalized FDTD Method with Absorbing Boundary Condition for Solving a Time Dependent Linear Schrodinger Equation

A Generalized FDTD Method with Absorbing Boundary Condition for Solving a Time Dependent Linear Schrodinger Equation

... accurate numerical solution and requires that the spatial grid size and time step should satisfy a very restricted condition in order to prevent the numerical solution from ...with absorbing ...

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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

... efficient absorbing boundary 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 ...

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Time domain electromagnetic scattering using perfectly matched layers

Time domain electromagnetic scattering using perfectly matched layers

... an absorbing boundary condition are used to damp waves interacting with artificial boundaries imposed to allow finite compu- tational ...that numerical reflections from interfaces at PML ...

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Exponential Decay of High-Order Spurious Prolate Spheroidal Modes Induced by a Local Approximate Dtn Exterior Boundary Condition

Exponential Decay of High-Order Spurious Prolate Spheroidal Modes Induced by a Local Approximate Dtn Exterior Boundary Condition

... DtN2 boundary condition, and to establish a sharper estimate that provides a better understanding on their asymptotic behavior in the high-frequency ...this absorbing boundary condition ...

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Faster 3D finite element time domain : Floquet absorbing boundary condition modelling using recursive convolution and vector fitting

Faster 3D finite element time domain : Floquet absorbing boundary condition modelling using recursive convolution and vector fitting

... Floquet absorbing boundary condition (ABC) which was shown [1] to be superior in versatility and accuracy than the simple ABC ...present numerical results that demonstrate a reduction of ...

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An effective absorbing boundary condition for linear long wave and linear dispersive wave tsunami simulations

An effective absorbing boundary condition for linear long wave and linear dispersive wave tsunami simulations

... (PML) boundary conditions to effectively eliminate artificial reflections from model ...bathymetries, numerical tests demonstrated that the PML boundary condition dramatically decreased ...

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Numerical Investigation Using Mathematical Model for Calculation of Energy Saving Potential of Different Insulation Material

Numerical Investigation Using Mathematical Model for Calculation of Energy Saving Potential of Different Insulation Material

... a Numerical analysis with boundary conditions like solar radiation as heating load and air condition as cooling load applied at different ...air condition (AC) – cooling load boundary ...

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A Method of Improving the Stability of Liao's Higher-Order Absorbing Boundary Condition

A Method of Improving the Stability of Liao's Higher-Order Absorbing Boundary Condition

... appropriate boundary condition should be assigned at the boundaries of the domain when we solve the electromagnetics problems with the finite difference time domain (FDTD) ...many absorbing ...

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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

... The three-dimensional five-step LOD-FDTD (LOD5-FDTD) method [1] is an unconditionally stable method whose time step is not restricted by the Courant-Friedrich-Lewy (CFL) stability condition [2]. It is worth ...

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An Algorithm based on Predicting the Interface in Phase Change Materials

An Algorithm based on Predicting the Interface in Phase Change Materials

... periodic boundary conditions have been considered, and the finite difference approach has been used in order to determine the temperature distribution and phase boundary during the ...constant ...

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The operational matrices of Bernstein polynomials for solving the parabolic equation subject to specification of the mass

The operational matrices of Bernstein polynomials for solving the parabolic equation subject to specification of the mass

... nonlocal boundary value problem and some other similar problems have been studied in ...more numerical works and the theoretical discussion and some ...

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Weak generalized and numerical solution for a quasilinear pseudo parabolic equation with nonlocal boundary condition

Weak generalized and numerical solution for a quasilinear pseudo parabolic equation with nonlocal boundary condition

... This paper investigates the one dimensional mixed problem with nonlocal boundary conditions, for the quasilinear parabolic equation. Under some natural regularity and consistency conditions on the input data, the ...

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Numerical Simulation of Flow Past Oscillating Airfoil Using Oscillation of Flow Boundary Condition

Numerical Simulation of Flow Past Oscillating Airfoil Using Oscillation of Flow Boundary Condition

... Unsteady ows passing moving objects e.g. oscillating airfoils can be modeled using two approaches. One uses a moving grid which results in a more accurate solution 1,2, and the other uses an approximate mod- eling which ...

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Development Effective Permittivity Algorithm For Conformal Structure In 3D Finite Different Time Domain (FDTD)

Development Effective Permittivity Algorithm For Conformal Structure In 3D Finite Different Time Domain (FDTD)

... This thesis is about developing a conformal object using the finite difference time domain (FDTD) method. Theoretical analysis nowadays frequently uses to analyze problem regarding electromagnetic in computational ...

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Continuous dependence on data for a solution of the quasilinear parabolic equation with a periodic boundary condition

Continuous dependence on data for a solution of the quasilinear parabolic equation with a periodic boundary condition

... The functions ϕ(x) and f (x, t, u) are given functions on [,π ] and D ¯ × (– ∞ , ∞ ) respec- tively. Denote the solution of problem ()-() by u = u(x, t). The existence, uniqueness and convergence of the weak ...

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Radiated EM Fields from a Rotating Current-Carrying Circular Cylinder: 2-Dimensional Numerical Simulation

Radiated EM Fields from a Rotating Current-Carrying Circular Cylinder: 2-Dimensional Numerical Simulation

... Abstract—The radiated electromagnetic (EM) fields from a rotating current-carrying circular cylinder were numerically simulated in two dimensions using the method of characteristics (MOC), and the numerical ...

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Simulation of the acoustic wave propagation using a meshless method

Simulation of the acoustic wave propagation using a meshless method

... Numerical study of sound generation and propaga- tion phenomenon plays a major role in Computational Aeroacoustics (CAA), especially in predictions of sound generated by turbulent flows and its environmental ...

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Experimental and Numerical Investigation of Date Palm Fiber Effect on Natural Frequency of Composite Plate with Different B.Cs

Experimental and Numerical Investigation of Date Palm Fiber Effect on Natural Frequency of Composite Plate with Different B.Cs

... The numerical study of natural frequency of hyper composite plate evaluated by using the finite elements method was applied by using the ANSYS program (ver.14). The three dimensional model were built and the ...

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Dyons and Roberge - Weiss transition in lattice QCD

Dyons and Roberge - Weiss transition in lattice QCD

... The caloron with nontrivial holonomy [1–3] has the remarkable property that the single zero mode of the Dirac operator is located only on the “twisted” (Kaluza-Klein) dyon constituent when standard antiperiodic ...

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