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Computational domain for sharp interface unfitted method

Robust flux error estimation of an unfitted Nitsche method for high-contrast interface problems

Robust flux error estimation of an unfitted Nitsche method for high-contrast interface problems

... the method is well defined when the interface crosses the boundary of the ...the interface crosses the boundary of the domain the solution will not necessarily be in H 2 (Ω + ∪ Ω − ...the ...

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Generalized Curvilinear Coordinate Interface Tracking in the Computational Domain

Generalized Curvilinear Coordinate Interface Tracking in the Computational Domain

... SIMPLE method in a staggered grid. The Lagrangian approach in the computational domain is also applied in the context of a VOF method, to resolve the free surface ...PLIC-VOF method in ...

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The finite difference time domain method for computational electromagnetics

The finite difference time domain method for computational electromagnetics

... A graphical user interface (GUI) is included in the 1D program, which makes the computer program user-friendly. A flowchart with details is included in the appendices. When applying FDTD to problems where solution ...

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Penalty-free Nitsche method for interface problems in computational mechanics

Penalty-free Nitsche method for interface problems in computational mechanics

... Nitsche method for interface problems in computational mechanics by Thomas Boiveau Nitsche’s method is a penalty-based method to enforce weakly the boundary condi- tions in the finite ...

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The Interface Control Domain Decomposition Method for Stokes--Darcy Coupling

The Interface Control Domain Decomposition Method for Stokes--Darcy Coupling

... ICDD method uses conforming discretization spaces for both the Stokes velocity and the Darcy pressure, to ensure the correct definition of the optimal control ...a sharp interface shows that ICDD ...

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The interface control domain decomposition (ICDD) method for elliptic problems

The interface control domain decomposition (ICDD) method for elliptic problems

... The results show that the convergence rate of ICDD to the solution of the mini- mum problem (3.7) is independent of the jumps of the coefficients. The size of the overlap is responsible in general for the convergence rate ...

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A diffuse interface model for quasi–incompressible flows : Sharp interface limits and numerics*,, **,, ***

A diffuse interface model for quasi–incompressible flows : Sharp interface limits and numerics*,, **,, ***

... overall computational costs in some cases may become similar to those of an explicit scheme with a much smaller time ...CDG method presented in [22], which leads to a simpler and more sparse matrix ...

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A new implementation method of sharp interface boundary conditions for particle methods in simulating wave interaction with submerged porous structure

A new implementation method of sharp interface boundary conditions for particle methods in simulating wave interaction with submerged porous structure

... porous/fluid domain is simulated using a particle method-based model by matching solutions of the Forchheimer equation in the porous region to the solution of NS equations at the interface between ...

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A sharp-interface treatment technique for two-phase flows in meshless methods

A sharp-interface treatment technique for two-phase flows in meshless methods

... MLPG_R method with initial particle distance of 1/40, 1/60 and 1/80, FEM-Level set method [44] and FVM-VOF (OpenFoam) with very fine ...complex interface profiles characterised by significant ...

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Distributed Lagrange Multiplier/Fictitious Domain Finite Element Method for a Transient Stokes Interface Problem with Jump Coefficients

Distributed Lagrange Multiplier/Fictitious Domain Finite Element Method for a Transient Stokes Interface Problem with Jump Coefficients

... ALE method and thus many properties of ALE method are ...numerical method for the transient Stokes interface problem in which the immersed phase may be engaged in a large ...

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Time and Frequency Domain Feature Extraction Method of Doppler Radar for Hand Gesture Based Human to Machine Interface

Time and Frequency Domain Feature Extraction Method of Doppler Radar for Hand Gesture Based Human to Machine Interface

... and X ( ref 4 ). Furthermore, the cross correlation calculations between recorded LPF output represent the Doppler response of a hand gesture, and each signal reference is performed referring to Eq. (7). The similarity ...

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A Spectral Time-Domain Method for Computational Electrodynamics

A Spectral Time-Domain Method for Computational Electrodynamics

... This paper presents an alternative approach to these equations in the case of spatially-varying electric per- mittivity and/or magnetic permeability, based on Krylov subspace spectral (KSS) methods. These methods have ...

6

HERMESH : a geometrical domain composition method in computational mechanics

HERMESH : a geometrical domain composition method in computational mechanics

... This section describes the so-called Chimera methods. As stated above, when real problems have to be solved, complex geometries could be present. The Chimera methods, also called overset grid methods, are a proper tool ...

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A. Computational Domain

A. Computational Domain

... Wind tunnel and field measurements are often used to validate results from CFD studies. Salim et al. [6] performed numerical simulations using ANSYS FLUENT with a SWBC which were validated against experimental works ...

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Improvement of Computational Performance of Implicit Finite Difference Time Domain Method

Improvement of Computational Performance of Implicit Finite Difference Time Domain Method

... Homogeneity does not affect significantly this rate, particularly, for BiCGStab. The change of iteration number with CFLN for convergence tolerance values from 10 − 12 to 10 − 3 can be assumed from Figure 5. In FD-CN-FDTD, ...

8

Immersed Interface Method for Biharmonic Equations on Irregular Domain and Its Applications

Immersed Interface Method for Biharmonic Equations on Irregular Domain and Its Applications

... Many similar modifications are discussed in [18]. Proper treatment of the points near the boundary remains a serious problem with these schemes since inaccuarate boundary approximations must be used in order not to ...

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The domain interface method: a general-purpose non-intrusive technique for non-conforming domain decomposition problems

The domain interface method: a general-purpose non-intrusive technique for non-conforming domain decomposition problems

... In the context of the finite element method different discretizations are generated at each domain and distribution functions are associated with the Lagrange multipliers at the interfac[r] ...

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The sharp interface limit of the stochastic Allen Cahn equation

The sharp interface limit of the stochastic Allen Cahn equation

... 1. INTRODUCTION AND OVERVIEW OF RESULTS The Allen-Cahn equation was first studied in [AC79] as a microscopic diffusional theory for the motion of a curved antiphase boundary. It is one of the most simple ways to model ...

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THE SHARP INTERFACE LIMIT FOR THE STOCHASTIC CAHN-HILLIARD EQUATION

THE SHARP INTERFACE LIMIT FOR THE STOCHASTIC CAHN-HILLIARD EQUATION

... the sharp interface limit ...of interface for the stochastic Allen-Cahn equation has been derived; the authors proved layer formation for general initial data, and established that the solution’s ...

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A computational method for protein domain prediction by using double 
		stage neural network

A computational method for protein domain prediction by using double stage neural network

... Protein domain prediction is important for multiple reasons, which include predicting the protein function in order to manufacture new protein with new ...protein domain prediction which the protein ...

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