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[PDF] Top 20 Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders

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Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders

Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders

... solvers to define uniquely the grid point ...developed to avoid such ...grid schemes employed in most hydro-codes have been remarkably successful over the past decades in solving complex ... Voir le document complet

74

Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders. Part I: The one-dimensional case

Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders. Part I: The one-dimensional case

... is to determine different conditions and constraints under which a class of cell-centered Lagrangian schemes solving the one-dimensional compressible gas dynamics equations would ... Voir le document complet

46

Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders. Part II: The two-dimensional case

Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders. Part II: The two-dimensional case

... the positivity-preservation property of methods solving one-dimensional Lagrangian gas dynamics equations, from first-order to high-orders of accuracy, was ... Voir le document complet

40

A high-order finite volume cell-centered scheme for anisotropic diffusion on two-dimensional unstructured grids

A high-order finite volume cell-centered scheme for anisotropic diffusion on two-dimensional unstructured grids

... a high-order cell-centered finite volume method for solving anisotropic diffusion on two-dimensional unstructured ...(Cell-Centered LAgrangian Diffusion), is ... Voir le document complet

63

A simple second order cartesian scheme for compressible Euler flows

A simple second order cartesian scheme for compressible Euler flows

... in order to accurately enforce the boundary condi- ...the cell side that will take into account the boundary condition at a point belonging to the solid-fluid ...two cell centers ... Voir le document complet

23

FVCF-NIP method for multi-material compressible fluid flows: some improvements in the computation of condensates evolution.

FVCF-NIP method for multi-material compressible fluid flows: some improvements in the computation of condensates evolution.

... writing, for each step of the directional split- ting, explicit 1D conservation laws of the kind of equations (4) even on partial volumes in mixed ...corresponding to the small partial volumes, that can be ... Voir le document complet

37

Vertex Approximate Gradient Discretization preserving positivity for two-phase Darcy flows in heterogeneous porous media

Vertex Approximate Gradient Discretization preserving positivity for two-phase Darcy flows in heterogeneous porous media

... solver to allow for large time steps, typically at the time scale of the matrix in DFM ...refer to [41, 37] for alternative linearization schemes to the Newton method which aim ... Voir le document complet

27

Machine Learning design of Volume of Fluid schemes for compressible flows

Machine Learning design of Volume of Fluid schemes for compressible flows

... ˆ280 to mitigate the low accuracy of the first-order accurate Lagrangian ...sensitive to the CFL number: if it is too small, extra-diffusion occurs; if it is too large, some ... Voir le document complet

31

An asymptotic preserving multi-dimensional ALE method for a system of two compressible flows coupled with friction

An asymptotic preserving multi-dimensional ALE method for a system of two compressible flows coupled with friction

... plication au transport lin´eaire et aux syst`emes de friedrichs, Ph.D. thesis, Universit´e Pierre et Marie Curie (2012). 454 [19] E. Franck, Modified Finite Volume Nodal Scheme for Euler Equations with Gravity and ... Voir le document complet

36

Construction of simple, stable and convergent high order schemes for steady first order Hamilton Jacobi equations.

Construction of simple, stable and convergent high order schemes for steady first order Hamilton Jacobi equations.

... Unité de recherche INRIA Futurs Parc Club Orsay Université - ZAC des Vignes 4, rue Jacques Monod - 91893 ORSAY Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy[r] ... Voir le document complet

37

Positivity-preserving finite volume scheme for compressible two-phase flows in anisotropic porous media: The densities are depending on the physical pressures

Positivity-preserving finite volume scheme for compressible two-phase flows in anisotropic porous media: The densities are depending on the physical pressures

... However, we continue by injecting water as in the previous tests. Figure 7 displays the behavior of water in the medium. It is recorded that the wetting phase displaces faster horizontally. Obviously, this fact is caused ... Voir le document complet

36

From particle methods to forward-backward Lagrangian schemes

From particle methods to forward-backward Lagrangian schemes

... the first order LTP and FBL ...4 for the Vlasov- Poisson ...corresponding to an average inter-particle distance of h = ...0.01 to the above approximation (5.6) for the velocity, ... Voir le document complet

26

Total Variation Projection with First Order Schemes

Total Variation Projection with First Order Schemes

... approaches to texture synthesis draw an image at random from a set of potential textures defined by constraints that can be learned from an exemplar ...distributions to match those of the ... Voir le document complet

12

High order discretization schemes for stochastic volatility models

High order discretization schemes for stochastic volatility models

... in order to ensure that the effective correlation between the stock price and the volatility keeps the same sign (the function σ usually takes nonnegative ...discretization schemes for ... Voir le document complet

32

Mesh adaptation for compressible flows

Mesh adaptation for compressible flows

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet

21

High-order Finite Volume WENO schemes for non-local multi-class traffic flow models

High-order Finite Volume WENO schemes for non-local multi-class traffic flow models

... applied high-order finite volume WENO schemes to the non-local multi-class traffic flow model proposed in ...each cell to evaluate the non-local terms in order ... Voir le document complet

9

On the positivity of fvs schemes

On the positivity of fvs schemes

... of schemes has raised an increasing inter- est among the CFD ...the positivity preserving property. At high Mach numbers, solving the conservative Euler equations can lead to negative ... Voir le document complet

7

High weak order discretization schemes for stochastic differential equation

High weak order discretization schemes for stochastic differential equation

... weak order h for the Markov process (X t ) t>0 for the test functions f ∈ C b q (R; ...stands for the required regularity on the test functions in order to obtain convergence ... Voir le document complet

140

Lagrangian sharp interface schemes for multimaterials

Lagrangian sharp interface schemes for multimaterials

... back to [1] for the model and [2] for numerical ...scheme for multimaterial in the Eulerian ...refer for the numerical results to [3] and [4]. This paper is devoted to the ... Voir le document complet

5

A two-dimensional unstructured cell-centered multi-material ALE scheme using VOF interface reconstruction

A two-dimensional unstructured cell-centered multi-material ALE scheme using VOF interface reconstruction

... Essential for successful application of our ALE algorithm is the use of a good mesh rezoning ...has to balance between various requirements, some of which might seem to be ...the Lagrangian ... Voir le document complet

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