Adaptive variational multiscale method for bingham flows

被引：15
|
作者：
Riber, S. [1 ]
Valette, R. [1 ]
Mesri, Y. [1 ]
Hachem, E. [1 ]
机构：
[1] MINES ParisTech PSL Res Univ, CEMEF Ctr Mat Forming, CNRS UMR 7635, CS 10207, Rue Claude Daunesse, F-06904 Sophia Antipolis, France
来源：
COMPUTERS & FLUIDS | 2016年 / 138卷
关键词：
Bingham flow; Anisotropic meshing; Variational multiscale method; Papanastasiou regularization; Yield stress fluids; STABILIZED FINITE-ELEMENT; ANISOTROPIC MESH ADAPTATION; DRIVEN CAVITY FLOW; VOLUME METHOD; INCOMPRESSIBLE FLOWS; VISCOPLASTIC FLUID; TETRAHEDRAL MESHES; APPROXIMATION; FORMULATION; SIMULATION;
D O I：
10.1016/j.compfluid.2016.08.011
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The simulation of viscoplasitc flows is still attracting considerable attention in many industrial applications. However, the underlying numerical discretization and regularization may suffer from numerical oscillations, in particular for high Bingham and Reynolds numbers flows. In this work, we investigate the Variational Multiscale stabilized finite element method in solving such flows. We combined it with a posteriori error estimator for anisotropic mesh adaptation, enhancing the use of the Papanastasiou regularization. Computational results are compared to existing data from the literature and new results have demonstrated that the approach can be applied for Bingham numbers higher than 1000 yielding accurate predictions. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：51 / 60
页数：10
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