[PDF] Top 20 2016 — An extended finite element-level set method for simulating two-phase and free-surface two-dimensional flows

... the extended finite element method (XFEM) to model two-phase ...XFEM method is naturally coupled with the level set method to provide an ... Voir le document complet

... the surface divergence of the velocity vanishes on the ...as phase field method [3, 21], boundary integral methods [22], and even for level set methods [4, ...a ... Voir le document complet

... the surface divergence of the velocity vanishes on the ...as phase field method [3, 21], boundary integral methods [22], and even for level set methods [4, ...a ... Voir le document complet

... not an easy task, not only because of the complexity of the discontinuity of the physical properties at the interface between the phases, resulting in the nonlinearity of the Navier-Stokes equations governing the ... Voir le document complet

... WORDS: Two-phase flows; free surface flows; incompressible Navier–Stokes equations; level set method; method of characteristics; finite ... Voir le document complet

... Mesh and Level-Set creation ...the eXtended Finite Element Method context, the geometrical features are taken into account using the Level-Set ...called ... Voir le document complet

... three dimensional transient two-phase flow with strong ...a finite volume scheme with a density pertur- bation method recently ...three dimensional exten- sion of a one ... Voir le document complet

... effect and a thermodynamical effect that accounts for mass ...model and its properties. We shall then describe two equilibrium submodels issued from the relaxations processes when ... Voir le document complet

... matrix and residual for each type of ...subroutines for each type of element is how the shape functions and integration points are ...made for all four elements. It would be hard ... Voir le document complet

... pressure and impact duration differed from one identical wave impact to the next, even in carefully controlled laboratory experiments, while the pressure impulse appears to be more ...repeatable. For sure, ... Voir le document complet

... a Level Set method for the simulation of flows in Microflu- idics, which appears to be well adapted to deal with such curvature-driven ...that surface tension induces a ... Voir le document complet

... The two-­‐level parallel solver contains 1-­‐D parallelization in block rows using the combined methods [9] of “Partition Thomas method” [7] and “Cyclic Odd-­‐Even Reduction” [6], and ... Voir le document complet

... For two immiscible Newtonian fluids, the time-dependent Navier-Stokes equations govern the fluid motion in both ...the surface tension at the fluid interface has to be accounted ...The surface ... Voir le document complet

... the model, related to material properties, loadings or geometry, seems today essential if one seeks to obtain “reliable” numerical predictions, usable in a design process or a decision-making. This necessity led to a ... Voir le document complet

... algorithm for two phase flows simulation Katia Ait-Ameur, Yvon Maday and Marc Tajchman Abstract In this paper, we will report our recent effort to apply the parareal algo- rithm to the ... Voir le document complet

... b for some b ∈ (0, +∞), hence n = e r on ...0) for some α ∈ (0, b) and, without loss of generality, that the stream function u is positive in D\{z} and vanishes on ...the method of ... Voir le document complet

... interest for some ...[1], and when a bubble is initiated close to the free surface, the formation of a jet directed away from the free surface ...[4] and multiple bubbles ... Voir le document complet

... A Level Set Finite Element Anisotropic Grain Growth Study Julien Fausty, Nathalie Bozzolo and Marc Bernacki MINES ParisTech, PSL - Research University, CEMEF - Centre de mise en forme ... Voir le document complet

... ) and a data digitalization program developed by ...implemented for describing fracture behaviour of grain ...contact surface between a femoral head and an acetabular cup of hip ... Voir le document complet

... Patrick and Pommier, Julien and Renard, Yves and Salaün, Michel High order extended finite element method for cracked ...Journal for Numerical Methods ... Voir le document complet