A 3D OpenFOAM based finite volume solver for incompressible Oldroyd-B model with infinity relaxation time

A 3D OpenFOAM based finite volume solver for incompressible Oldroyd-B model with infinity relaxation time
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基于 3D OpenFOAM 的有限体积求解器,适用于具有无限弛豫时间的不可压缩 Oldroyd-B 模型

DOI:
10.1016/j.cnsns.2019.104876
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发表时间:
2019-11
影响因子:
3.9
通讯作者:
Goong Chen
Goong Chen
中科院分区:
数学2区
文献类型:
--
作者:
Jing Tian;Mingchao Cai;Zhendong Luo;Yuncheng You;Goong Chen

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在本文中,我们开发了一个有限体积求解器的三维不可压缩Oldroom-B模型的无限松弛时间。有限体积求解器是通过使用领先的开源计算力学软件OpenFOAM实现的。我们施加了发散自由条件作为约束的动量方程推导出的压力方程和预测校正程序时,解决速度场。稳定性分析和数值实验表明,我们的算法的鲁棒性和准确性。文中给出了立方域和哑铃域上的两个具体算例。
In this paper, we develop a Finite Volume solver for a 3D incompressible Oldroyd-B model with infinity relaxation time. The Finite Volume solver is implemented by using a leading open-source computational mechanics software OpenFOAM. We have imposed the divergence free condition as a constraint on the momentum equation to derive a pressure equation and a predictor-corrector procedure is applied when solving the velocity field. Both stability analysis and numerical experiments are given to show the robustness and accuracy of our algorithm. Two concrete examples on a cubical domain and a dumbbell are computed and illustrated.
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