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[PDF] Top 20 An admissibility and asymptotic-preserving scheme for systems of conservation laws with source term on 2D unstructured meshes

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An admissibility and asymptotic-preserving scheme for systems of conservation laws with source term on 2D unstructured meshes

An admissibility and asymptotic-preserving scheme for systems of conservation laws with source term on 2D unstructured meshes

... objective of this work is to design explicit finite volumes schemes for spe- cific systems of conservations laws with stiff source terms, which degenerate into diffusion ... Voir le document complet

43

An admissibility and asymptotic preserving scheme for systems of conservation laws with source term on 2D unstructured meshes with high-order MOOD reconstruction

An admissibility and asymptotic preserving scheme for systems of conservation laws with source term on 2D unstructured meshes with high-order MOOD reconstruction

... aim of this work is to design an explicit finite volume scheme with high-order MOOD recon- struction for specific systems of conservation laws with ... Voir le document complet

42

An Asymptotic-Preserving Scheme for Systems of Conservation Laws with Source Terms on 2D Unstructured Meshes

An Asymptotic-Preserving Scheme for Systems of Conservation Laws with Source Terms on 2D Unstructured Meshes

... CONSERVATION LAWS WITH SOURCE TERMS ON 2D UNSTRUCTURED MESHES ...developed for hyperbolic systems of conservation laws with ... Voir le document complet

20

On the Eulerian Large Eddy Simulation of disperse phase flows: an asymptotic preserving scheme for small Stokes number flows

On the Eulerian Large Eddy Simulation of disperse phase flows: an asymptotic preserving scheme for small Stokes number flows

... change of variables u → v is ...definition of an approximate Riemann solver for ...actly with the one proposed in [18] up to very minor modifications : the gravity is not taken into ... Voir le document complet

27

Convergence rate of an asymptotic preserving scheme for the diffusive limit of the p-system with damping

Convergence rate of an asymptotic preserving scheme for the diffusive limit of the p-system with damping

... ) with a linear pressure. Recently, Lattanzio and Tzavaras [ 24 ] rigorously proved this convergence and exhib- ited the rate by adopting the well known relative entropy ...notion of relative ... Voir le document complet

30

An asymptotic preserving scheme on staggered grids for the
barotropic Euler system in low Mach regimes

An asymptotic preserving scheme on staggered grids for the barotropic Euler system in low Mach regimes

... the asymptotic regimes can be captured without resolving the small time and spatial ...efficiency of an AP scheme relies on careful time and space ...use of time steps ... Voir le document complet

35

A central-upwind geometry-preserving method for hyperbolic conservation laws on the sphere

A central-upwind geometry-preserving method for hyperbolic conservation laws on the sphere

... method for the discretization of nonlinear hy- perbolic conservation laws posed on the two-dimensional ...version of the proposed method is based on a technique of local ... Voir le document complet

22

Large time step and asymptotic preserving numerical schemes for the gas dynamics equations with source terms

Large time step and asymptotic preserving numerical schemes for the gas dynamics equations with source terms

... use of large time steps in order to avoid classic Courant-Friedrichs-Lewy (CFL) restriction based on the (fast) acoustic waves of the ...account for material transport. Third, the discretization ... Voir le document complet

23

Study of an asymptotic preserving scheme for the quasi neutral Euler-Boltzmann model in the drift regime

Study of an asymptotic preserving scheme for the quasi neutral Euler-Boltzmann model in the drift regime

... deal with the numerical approximation of a simplified quasi neutral plasma model in the drift ...volume scheme for the quasi neutral Euler–Boltzmann ...stability of the scheme ... Voir le document complet

29

Godunov type scheme for the linear wave equation with Coriolis source term

Godunov type scheme for the linear wave equation with Coriolis source term

... ability of numerical schemes to well capture the particular solutions ( 2 ) and ( 3 ) is of great practical interest since it has a direct consequence on the accuracy of the numerical solution ... Voir le document complet

25

An Asymptotic Preserving Scheme for Capturing Concentrations in Age-structured Models Arising in Adaptive Dynamics

An Asymptotic Preserving Scheme for Capturing Concentrations in Age-structured Models Arising in Adaptive Dynamics

... , AND XINRAN RUAN † Abstract. We propose an asymptotic preserving (A-P) scheme for a population model struc- tured by age and a phenotypical trait with or without ... Voir le document complet

31

Switching rules for stabilization of linear systems of conservation laws

Switching rules for stabilization of linear systems of conservation laws

... 4. An important issue is the numerical computation of γ ∈ Γ, µ > 0 and of a diagonal positive definite matrix Q such that Assumption 1 ...γ and e −µ and the numerical ... Voir le document complet

25

An inconditionnally stable discontinuous Galerkin method for solving the 2D time-domain Maxwell equations on unstructured triangular meshes

An inconditionnally stable discontinuous Galerkin method for solving the 2D time-domain Maxwell equations on unstructured triangular meshes

... on unstructured meshes also appeared as an alternative to FDTD methods, but they suffer from numerical diffusion resulting from the use of upwind schemes [4], and their extension to ... Voir le document complet

5

Lyapunov techniques for stabilization of switched linear systems of conservation laws

Lyapunov techniques for stabilization of switched linear systems of conservation laws

... feature with this ...overlap, and their union is R n by As- sumption ...changes of mode when the system trajectory hits the boundary of a region, and the next switching happened only if ... Voir le document complet

7

A High-Order Monotonicity-Preserving Scheme for Linear Scalar Advection on 3-D Irregular Meshes

A High-Order Monotonicity-Preserving Scheme for Linear Scalar Advection on 3-D Irregular Meshes

... Sidilkover and Roe [26, ...accurate for smooth data; (iii) suitable to distorted and/or unstructured meshes; (iv) ...Because of constraint (iii), we turned our attention toward ... Voir le document complet

33

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

... fluxes of the physical conservation laws must be determined in a compatible way with the vertex velocity so that the geometric conservation law (GCL) is satisfied, namely the rate ... Voir le document complet

52

Sharpening diffuse interfaces with compressible fluids on unstructured meshes

Sharpening diffuse interfaces with compressible fluids on unstructured meshes

... direction of simplicity and generality, the Level Set Method [4] was adapted to compressible fluids and the Ghost Fluid Method [5] was used to compute approximate ther- modynamic state in mixture ... Voir le document complet

45

Multislope MUSCL method for general unstructured meshes

Multislope MUSCL method for general unstructured meshes

... University of Nice, Laboratoire ...deal with MUSCL reconstructions on triangular and tetrahedral unstructured meshes in the finite volume cell-centered ...face of a given ... Voir le document complet

45

A centered Discontinuous Galerkin Finite Volume scheme for the 3D heterogeneous Maxwell equations on unstructured meshes

A centered Discontinuous Galerkin Finite Volume scheme for the 3D heterogeneous Maxwell equations on unstructured meshes

... Unité de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois - [r] ... Voir le document complet

35

Asymptotic-preserving Godunov-type numerical schemes for hyperbolic systems with stiff and non-stiff relaxation terms

Asymptotic-preserving Godunov-type numerical schemes for hyperbolic systems with stiff and non-stiff relaxation terms

... behavior of the scheme in the general case (1)-(2). Since the source-term depends on t, u and v, the exact integration for the splitting tech- nique (50) is not relevant ... Voir le document complet

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