[PDF] Top 20 A two-dimensional unstructured cell-centered multi-material ALE scheme using VOF interface reconstruction

... present a new cell-centered multi-material Arbitrary Lagrangian Eulerian (ALE) scheme to solve the compressible gaz dynamics equations on two-dimensional ... Voir le document complet

... defining a monotonic piecewise linear reconstruction of the pressure and the velocity by means of a slope ...on a two- steps Runge-Kutta procedure. Such a methodology has been ... Voir le document complet

... [1], a new reconstruction method which ensures continuity of the interface and preserves volume fractions has been ...new interface reconstruction method, called DPIR (Dynamic ... Voir le document complet

... be a sufficiently accurate and robust scheme to cope with unstructured three- dimensional grids composed of tetrahedral and/or hexahedral ...volume scheme, let us briefly give an ... Voir le document complet

... perform a monotone piecewise linear reconstruction for the pressure and the velocity using a slope limiter, followed by the solution of the Riemann problem at nodes with the help of the nodal ... Voir le document complet

... in a seven point stencil can be obtained from vertex formulations on ...enjoy a rather good robust- ness to distorted meshes as long as they are not ...show a good behavior for irregular but ... Voir le document complet

... by a set of cells without gaps or overlaps. Each cell may be a general polygon in 2D or a general polyhedron in ...assigned a unique index c, and is denoted by Ωc(0). For a given ... Voir le document complet

... in two dimensions are stud- ...and multi-channel (i.e. matrix-valued) case. The latter can be seen as a non-overdetermined approximation of the three-dimensional ...problem: a new ... Voir le document complet

... Given a specic node u, we measure the proximity 3 of all nodes in the graph to u and then try to nd irregularities in the decrease of these proximity values, as explained in the previous ...to a power-law ... Voir le document complet

... by using the technique of renormalized solutions for elliptic equations following Boccardo – Gallou¨et [2] and Murat ...as a system of two coupled equations involving real valued ... Voir le document complet

... Keywords: multimaterial coupling; Eulerian frame; elasticity. 1 INTRODUCTION Physical phenomena that involve several materials are ubiquitous in nature and applications: multiphase flows, fluid- structure interaction, ... Voir le document complet

... of a concave substrate or by the presence of pinning objects such as ...over a viscous liquid at room temperature ...work, a liquid droplet or puddle is levitated over an air cushion which generates ... Voir le document complet

... • The approximated gradient is used for the computation of the flux in the Godunov update equation. • However this leads to oscillations and a limiter (Barth & Jespersen) has to be • However, this leads to ... Voir le document complet

... simplified scheme proposed in Laurent and Nguyen [1] was extended to unstructured grids and implemented into the computational framework OpenQBMM [73], an extension for OpenFOAM [63] that implements ... Voir le document complet

... with a rectangular computational ...the two-dimensional leap-frog scheme on a ...on a rectangle seems to be out of ...for a half- space and, as in [ EM77 ], to localize ... Voir le document complet

... Reference : RF 2090 a b c (scale ±500 um) d e f Figure 10: 3D image of Dame en prière scanned at a depth resolution of 10 microns. (a) Shaded monochrome image illustrating surface relief due to brush ... Voir le document complet

... Symmetry First attempts for 2D simulations necessarily led the authors of [ 49 ] to the symmetry preservation issue. In particular, the question of the spherical symmetry preservation in axisymmetric geometry was already ... Voir le document complet

... 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, Iri[r] ... Voir le document complet

... Unité de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unité de recherche INRIA Futurs : Parc Club Orsay Université - ZAC des Vi[r] ... Voir le document complet

... is a value that provides information about the likelihood of associating a specific depth to a voxel from a particular ...choosing a depth for a voxel position on a ... Voir le document complet