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Spectral volume method

Assessment of the Spectral Volume Method on inviscid and viscous flows

Assessment of the Spectral Volume Method on inviscid and viscous flows

... 2.2 Spectral volume method assets The spectral volume method uses a compact stencil which is a great advantage com- pared to other high order ...a spectral way to minimize ...

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Spectral Volume Method: application to Euler equations and performance appraisal

Spectral Volume Method: application to Euler equations and performance appraisal

... 2.2 Spectral volume method assets The spectral volume method uses a compact stencil which is a great advantage com- pared to other high order ...a spectral way to mini- ...

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A High-Order Compact Limiter Based on Spatially Weighted Projections for the Spectral Volume and the Spectral Differences Method

A High-Order Compact Limiter Based on Spatially Weighted Projections for the Spectral Volume and the Spectral Differences Method

... high-order method, the spectral volume method ...high-order method that belongs to the more general class of Godunov-type finite volume methods [ 4 , 5 ...the method in ...

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Time-Frequency Tracking of Spectral Structures Estimated by a Data-Driven Method

Time-Frequency Tracking of Spectral Structures Estimated by a Data-Driven Method

... the spectral structures through the different timestamps to create spectral structure trajectories from which health indicators will be ...[16] method which has been originally designed for single ...

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A fast and versatile method for spectral emissivity measurement at high temperatures

A fast and versatile method for spectral emissivity measurement at high temperatures

... both spectral and integrated emissivity at high ...indirect method devices. The choice is then made for a direct method based device with IR heating system to have high and flexible heating rate, ...

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Hybrid spectral-particle method for the turbulent transport of a passive scalar

Hybrid spectral-particle method for the turbulent transport of a passive scalar

... Keywords: Direct numerical simulation, Hybrid method, Particle method, Turbulent mixing, Passive scalar, Universal scaling 1. Introduction The prediction of the dynamics of a scalar advected by a turbulent ...

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An efficient spectral method for the numerical solution to stochastic differential equations

An efficient spectral method for the numerical solution to stochastic differential equations

... topics have in common a need for fast and accurate numerical methods to solve their underlying SDE. One of the most common scheme of approximation is the Euler-Maruyama method and its closest cousin, the Milstein ...

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Time-frequency tracking of spectral structures estimated by a data-driven method

Time-frequency tracking of spectral structures estimated by a data-driven method

... This method states that a peak at time t n is associated to a peak at time t n+1 if the frequency at time t n+1 is inside a search interval centered around the frequency at time t n ...efficient method has ...

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Spectral Decomposition Method for Large Sea Surface Generation and Radar Backscatter Modeling

Spectral Decomposition Method for Large Sea Surface Generation and Radar Backscatter Modeling

... avoid spectral redundancy between the two spectra used to generate these two surfaces, harmonics in the interval I are forced to 0 in the first spectrum –that is the LF part– ...

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A geometry-preserving finite volume method for compressible fluids on Schwarzschild spacetime

A geometry-preserving finite volume method for compressible fluids on Schwarzschild spacetime

... (a) Initial velocity (b) (c) (d) Figure 5.2.1. Propagation of a shock/rarefaction pattern (two schemes). To encompass other backgrounds (for instance, Schwarzschild-de Sitter spacetime, with cosmological constant ...

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A 3D DISCRETE DUALITY FINITE VOLUME METHOD FOR NONLINEAR ELLIPTIC EQUATIONS

A 3D DISCRETE DUALITY FINITE VOLUME METHOD FOR NONLINEAR ELLIPTIC EQUATIONS

... 2. Construction of the Meshes. Consider a usual finite volume mesh M called the primary mesh. We construct two additional finite volumes meshes, with control volumes respectively around the vertexes and the faces ...

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Design of a micro-irrigation system based on the control volume method

Design of a micro-irrigation system based on the control volume method

... Ce programme relativement simple a été testé pour le dimensionnement de la rampe et les résultants sont similaires à ceux obtenus par la méthode des éléments finis.[r] ...

1

Design of a micro-irrigation system based on the control volume method

Design of a micro-irrigation system based on the control volume method

... La méthode numérique proposée est simple et consiste à isoler un volume élémentaire de la rampe, muni d’un goutteur et de longueur égale à l’espacement entre deux goutteur[r] ...

1

An hybrid particle/finite-volume method for the study of differential diffusion

An hybrid particle/finite-volume method for the study of differential diffusion

... the results of Table 1 , assuming perfect scalability, would give a wall-clock time of about 0.7s per iteration. This discrepancy is due to a domain partitioning leading to a poor load-balancing in the jet configuration. ...

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A suitable parametrization to simulate slug flows with the Volume-Of-Fluid method

A suitable parametrization to simulate slug flows with the Volume-Of-Fluid method

... numerical method such as Volume-Of- Fluid (Taha and Cui [3], Akbar et ...same method as in this study, ...VOF method implemented in the FLUENT TM ...VOF method by comparing numerical ...

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Proper Generalized Decomposition method for incompressible Navier–Stokes equations with a spectral discretization

Proper Generalized Decomposition method for incompressible Navier–Stokes equations with a spectral discretization

... (x i can be any scalar or vector variable involving space, time or any other parameter of the problem). Thus, if M degrees of freedom are used to discretize each variable, the total number of the unknowns involved in the ...

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3D Spectral Element Method Simulations of the Seismic Response in the Caracas Basin

3D Spectral Element Method Simulations of the Seismic Response in the Caracas Basin

... The spectral element method (SEM), introduced in seismology ten years ago (Komatitsch and Vilotte, 1998) is a high-order variational technique that has already proven to be a powerful tool at regional ...

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The Discrete Duality Finite Volume method for the Stokes equations on 3-D polyhedral meshes

The Discrete Duality Finite Volume method for the Stokes equations on 3-D polyhedral meshes

... DDFV method was originally developed to approximate the solution of the Poisson equation on a large class of 2-D polygonal meshes, which may include non-conformal and distorted control volumes [24, ...Finite ...

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A path conservative finite volume method for a shear shallow water model

A path conservative finite volume method for a shear shallow water model

...  where the parameters are taken to be h 0 = 1 m, λ = 0.1 m 2 /s 2 , γ = 0.01 m 2 /s 2 , β = 10 −3 /s. Previous works [10], [4] have shown first order convergence of the error norm for this test case. We perform the ...

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On the efficacy of a control volume finite element method for the capture of patterns for a volume-filling chemotaxis model

On the efficacy of a control volume finite element method for the capture of patterns for a volume-filling chemotaxis model

... of volume-filling mecha- nism and leads to a nonlinear degenerate parabolic ...control volume finite element scheme, where an upwind finite volume scheme is used for the approxima- tion of the ...

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