Stabilized finite element method for flows with multiple reference frames

被引：10
|
作者：
Pauli, L. [1 ]
Both, J. W. [1 ]
Behr, M. [1 ]
机构：
[1] Rhein Westfal TH Aachen, Chair Computat Anal Tech Syst CATS, D-52056 Aachen, Germany
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2015年 / 78卷 / 11期
关键词：
rotating components; frozen rotor; stirred-tank; turbomachinery; COMPUTATIONAL FLUID-DYNAMICS; SPACE-TIME PROCEDURE; MOVING BOUNDARIES; FORMULATION; INTERFACES; STRATEGY; CFD;
D O I：
10.1002/fld.4032
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
We present a space-time finite element method capable of dealing with flows in multiple co-rotating reference frames. Since equal order interpolation is used for all degrees of freedom, Galerkin/least-squares stabilization is applied. We give a detailed derivation of the equations involved, introduce the variational form, present the stabilization parameters, and also discuss implementation issues. Numerical examples in 2D and 3D show generality and efficiency of the method, if steady-state behavior of rotating components is sufficient for the CFD analysis. Copyright (C) 2015 John Wiley & Sons, Ltd.
引用
收藏
页码：657 / 669
页数：13
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