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[PDF] Top 20 A high-order cell-centered Lagrangian scheme for compressible fluid flows in two-dimensional cylindrical geometry

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A high-order cell-centered Lagrangian scheme for compressible fluid flows in two-dimensional cylindrical geometry

A high-order cell-centered Lagrangian scheme for compressible fluid flows in two-dimensional cylindrical geometry

... present high-order cell-centered schemes for solving the equations of Lagrangian gas dynamics written in cylindrical ...geometry. A node-based ... Voir le document complet

47

A high-order cell-centered Lagrangian scheme for two-dimensional compressible fluid flows on unstructured meshes

A high-order cell-centered Lagrangian scheme for two-dimensional compressible fluid flows on unstructured meshes

... present a high-order cell-centered Lagrangian scheme for solving the two-dimensional gas dy- namics equations on unstructured ...meshes. A ... Voir le document complet

52

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

... admits a positive limit. 12. Numerical results In this numerical results section, similarly to what we did for the 1D [44], we make use of several challenging test cases to demonstrate the ... Voir le document complet

40

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

... issues in the field of numerical schemes is to ally robustness with ...using a Lagrangian formalism, the grid moving and being deformed during the ...studied in this framework contain very ... Voir le document complet

46

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

... complications. In this framework, a staggered discretization is employed such that the kinematic variables (vertex position, velocity) are located at the nodes whereas the thermodynamic variables (density, ... Voir le document complet

74

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

... plotted in Figure ...using two different schemes. These are: the classical five-point scheme and the CCLADS scheme which reduces to a nine-point scheme on quadrangular ... Voir le document complet

63

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

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

... Introduction In this paper, we describe a finite volume scheme to solve anisotropic diffusion equations on unstructured ...three-dimensional scheme is the natural extension of the ... Voir le document complet

44

A Cell-Centered Lagrangian Scheme for Two-Dimensional Compressible Flow Problems

A Cell-Centered Lagrangian Scheme for Two-Dimensional Compressible Flow Problems

... new cell-centered methods have been proposed in [15] and ...use a fully Lagrangian form of the gas dynamics equations, that is, the gradient and divergence operators are expressed ... Voir le document complet

50

A nominally second-order cell-centered Lagrangian scheme for simulating elastic-plastic flows on two-dimensional unstructured grids

A nominally second-order cell-centered Lagrangian scheme for simulating elastic-plastic flows on two-dimensional unstructured grids

... : In this paper, we describe a cell-centered Lagrangian scheme devoted to the numeri- cal simulation of solid dynamics on two-dimensional unstructured grids ... Voir le document complet

77

Two-fluid compressible simulations on GPU cluster

Two-fluid compressible simulations on GPU cluster

... the scheme in the OpenCL environment. Com- pared to a standard CPU implementation, we observed that the GPU compu- tations are more than hundred times ...gives a robust but simple expression ... Voir le document complet

16

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

... is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...institutions in France or abroad, or from public ... Voir le document complet

36

A Marker-and-Cell scheme for viscoelastic flows on nonuniform grids

A Marker-and-Cell scheme for viscoelastic flows on nonuniform grids

... consists in obtaining an accurate estimation of the conformation tensor near the lid, and we investigate this issue with the Mn ...obtain a stationary solution: δ t = 0.001 for the M1, M2 and M3 ... Voir le document complet

9

Multi-scale Godunov-type method for cell-centered discrete Lagrangian hydrodynamics.

Multi-scale Godunov-type method for cell-centered discrete Lagrangian hydrodynamics.

... use a cell-centered discretization in which all the physical variables (density, momentum, pressure, total and internal energy) are within the ...method for Lagrangian gas ... Voir le document complet

32

Parallel Solutions of Three-Dimensional Compressible Flows

Parallel Solutions of Three-Dimensional Compressible Flows

... Unite´ de recherche INRIA Lorraine, Technopoˆle de Nancy-Brabois, Campus scientifique, 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LE` S NANCY Unite´ de recherche INRIA Rennes, Ir[r] ... Voir le document complet

57

Vertex Approximate Gradient Scheme for Hybrid Dimensional Two-Phase Darcy Flows in Fractured Porous Media

Vertex Approximate Gradient Scheme for Hybrid Dimensional Two-Phase Darcy Flows in Fractured Porous Media

... schemes for two-phase flow in heterogeneous porous media and Richards ...Firoozabadi, A., Monteagudo, J.E.: Control-volume model for simulation of water injection in fractured ... Voir le document complet

9

On the numerical approximation of the K-epsilon turbulence model for two dimensional compressible flows

On the numerical approximation of the K-epsilon turbulence model for two dimensional 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

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A Cell-Centered Scheme For Heterogeneous Anisotropic Diffusion Problems On General Meshes

A Cell-Centered Scheme For Heterogeneous Anisotropic Diffusion Problems On General Meshes

... usual cell unknowns but also interface unknowns to compute approximation values of the solution ...function. In [14], HFV, MFD and MFV which involve the cell and edge unknowns are schemes of the same ... Voir le document complet

41

Large Time-Step Numerical Scheme for the Seven-Equation Model of Compressible Two-Phase Flows

Large Time-Step Numerical Scheme for the Seven-Equation Model of Compressible Two-Phase Flows

... from a numerical point of view, the seven-equation model raises some ...as a consequence to the Riemann problem that is difficult to solve, even ...recast in full conservative ...constant in ... Voir le document complet

7

Vertex Approximate Gradient Scheme for Hybrid Dimensional Two-Phase Darcy Flows in Fractured Porous Media

Vertex Approximate Gradient Scheme for Hybrid Dimensional Two-Phase Darcy Flows in Fractured Porous Media

... VAG-1 scheme with the first mesh i mesh = 1 at final simulation time: oil saturation in the fracture network and in the matrix using the lower threshold in the matrix equal to ...meshes ... Voir le document complet

31

A time splitting projection scheme for compressible two-phase flows. Application to the interaction of bubbles with ultrasound waves

A time splitting projection scheme for compressible two-phase flows. Application to the interaction of bubbles with ultrasound waves

... method for compressible flows to perform an efficient coupling between strong interface deformation and volume ...oscillation. In the Fig. 22 and in the ...plotted for different grids ... Voir le document complet

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