On an accurate α model for coarse mesh turbulent channel flow simulation

Rebholz Leo G.; Kim Taeyeon; Byon Young-Ji

首页> 外文期刊>Applied Mathematical Modelling >On an accurate α model for coarse mesh turbulent channel flow simulation

【24h】

On an accurate α model for coarse mesh turbulent channel flow simulation

机译：关于粗网格湍流通道模拟的精确α模型

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

We present an analytical and numerical study of the reduced NS-α (rNS-α) model of incompressible fluid flow, which was recently proposed as an approximation to NS-α that allows for more efficient computations in the C~0 finite element setting. Our analytical study consists of establishing connections between rNS-α to some well-studied models, and determining the model's integral invariants, energy cascade, and energy dissipation rate. Numerical simulations of turbulent flows with coarse meshes are performed, and excellent results found, for forced homogeneous, isotropic turbulence, and for turbulent channel flow with friction Reynolds numbers Re_τ = 395, 590, and 1000.

机译：我们提供了不可压缩流体流动的简化NS-α（rNS-α）模型的分析和数值研究，最近提出该模型是对NS-α的近似，从而可以在C〜0有限元设置中进行更有效的计算。我们的分析研究包括建立rNS-α与一些经过充分研究的模型之间的联系，并确定模型的积分不变式，能量级联和能量耗散率。对带有粗糙网格的湍流进行了数值模拟，对于强迫均质，各向同性湍流以及具有摩擦雷诺数Re_τ= 395、590和1000的湍流通道流，都获得了出色的结果。

著录项

来源
《Applied Mathematical Modelling》 |2017年第3期|139-154|共16页
作者
Rebholz Leo G.; Kim Taeyeon; Byon Young-Ji;
展开▼
作者单位

Department of Mathematical Sciences, Clemson University, United States;

Civil Infrastructure and Environmental Engineering, Khalifa University, Abu Dhabi, United Arab Emirates;

Civil Infrastructure and Environmental Engineering, Khalifa University, Abu Dhabi, United Arab Emirates;

展开▼
收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Energy analysis; Energy spectra; NS-α; Splitting method; Turbulence; Turbulence channel flow;

机译：能量分析;能谱NS-α;分割方法;湍流湍流通道;

相似文献

外文文献
中文文献
专利

1. Simulation of Turbulent Flow Past Bluff Bodies on Coarse Meshes Using General Galerkin Methods: Drag Crisis and Turbulent Euler Solutions [J] . Johan Hoffman Computational Mechanics . 2006,第4a5期

机译：使用通用Galerkin方法在粗糙网格上模拟流过钝体的湍流：阻力危机和欧拉湍流解
2. Direct Simulation Monte-Carlo predictions of coarse elastic particle statistics in fully developed turbulent channel flows: Comparison with deterministic discrete particle simulation results and moment closure assumptions [J] . Fede Pascal, Simonin Olivier International Journal of Multiphase Flow . 2018,第期

机译：直接模拟粗弹性粒子统计中完全发育的湍流通道流量的预测：与确定性离散粒子仿真结果的比较和瞬间闭合假设
3. Numerical simulations of turbulent flow through screen mesh by transient SST and k - epsilon turbulent models. [J] . Shklyar A., Arbel A. Acta Horticulturae . 2008,第802期

机译：利用瞬态SST和 k -ε湍流模型对流经筛孔的湍流进行数值模拟。
4. Soft-Sphere DEM Simulation of Coarse Particles Transported by a Fully Developed Turbulent Gas Vertical Channel Flow [C] . Ainur Nigmetova, Yann Dufresne, Enrica Masi, Turbulence and Interactions Conference . 2021

机译：通过完全发育的湍流气体垂直通道流动运输的粗粒子的软球DEM模拟
5. New wall function methods for use with coarse near-wall meshes in turbulent flow computational fluid dynamics simulations [D] . Fairchilds, Landrum 2007

机译：在湍流计算流体动力学模拟中与粗糙近壁网格一起使用的新壁函数方法
6. Modelling turbulent boundary layer flow over fractal-like multiscale terrain using large-eddy simulations and analytical tools [O] . X. I. A. Yang, C. Meneveau -1

机译：使用大涡模拟和分析工具对分形状多尺度地形上的湍流边界层流进行建模
7. Turbulent channel flow simulations using a coarse-grained extension of the Lattice Boltzmann method [O] . Amati, Giorgio, Succi, Sauro, Benzi, Roberto 1996

机译：使用粗粒度扩展的湍流通道流动模拟格子Boltzmann方法
8. Summary of Results of January Climate Simulations with the Giss Coarse-Mesh Model [R] . Spar, J., Cohen, C., Wu, P. 1981

机译：利用Giss粗网格模型对1月气候模拟结果的总结

On an accurate α model for coarse mesh turbulent channel flow simulation

摘要

著录项

相似文献

相关主题

期刊订阅