基于人工神经网络的湍流大涡模拟方法
谢晨月， 袁泽龙， 王建春， 万敏平， 陈十一 - 力学学报, 2021 - lxxb.cstam.org.cn
大涡模拟方法(LES) 是研究复杂湍流问题的重要工具, 在航空航天, 湍流燃烧, 气动声学,
大气边界层等众多工程领域中具有广泛的应用前景. 大涡模拟方法采用粗网格计算大尺度上的 …
大气边界层等众多工程领域中具有广泛的应用前景. 大涡模拟方法采用粗网格计算大尺度上的 …
基于组合神经网络的雷诺平均湍流模型多次修正方法
张珍， 叶舒然， 岳杰顺， 王一伟， 黄晨光 - 力学学报, 2021 - lxxb.cstam.org.cn
求解雷诺平均(Reynolds-averaged Navier-Stokes, RANS) 方程依然是工程应用中有效且实用
的方法, 但对雷诺应力建模的不确定性会导致该方法的预测精度具有很大差异 …
的方法, 但对雷诺应力建模的不确定性会导致该方法的预测精度具有很大差异 …
Artificial neural network-based subgrid-scale models for large-eddy simulation of turbulence
Large eddy simulation (LES) is an important method to investigate different types of complex
turbulent flows, which has been widely applied to the turbulent flows in aerospace …
turbulent flows, which has been widely applied to the turbulent flows in aerospace …
A DNS study of extreme and leading points in lean hydrogen-air turbulent flames-part II: Local velocity field and flame topology
Data obtained in recent direct numerical simulations (Lee et al.) of statistically one-
dimensional and planar, lean complex-chemistry hydrogen-air flames characterized by three …
dimensional and planar, lean complex-chemistry hydrogen-air flames characterized by three …
Deconvolutional artificial-neural-network framework for subfilter-scale models of compressible turbulence
We establish a deconvolutional artificial-neural-network (D-ANN) approach in large-eddy
simulation (LES) of compressible turbulent flow. Filtered variables in the neighboring …
simulation (LES) of compressible turbulent flow. Filtered variables in the neighboring …
A DNS study of extreme and leading points in lean hydrogen-air turbulent flames–part I: local thermochemical structure and reaction rates
Abstract A Direct Numerical Simulation (DNS) study of statistically one-dimensional and
planar, lean complex-chemistry hydrogen-air flames characterized by a low Lewis number L …
planar, lean complex-chemistry hydrogen-air flames characterized by a low Lewis number L …
A combined neural network and multiple modification strategy for Reynolds-Averaged Navier-Stokes turbulence modeling
Z Zhen, Y Shuran, Y Jieshun, W Yiwei… - Chinese Journal of …, 2021 - lxxb.cstam.org.cn
Abstract Solving the Reynolds-averaged Navier-Stokes (RANS) equation remains an
effective and practical approach in engineering applications, but the uncertainty of Reynolds …
effective and practical approach in engineering applications, but the uncertainty of Reynolds …
Wall shear-stress extraction by an optical flow algorithm with a sub-grid formulation
In this study, we developed a novel optical-flow algorithm for determining the wall shear-
stress on the surface of objects. The algorithm solves the thin-oil-film equation using a …
stress on the surface of objects. The algorithm solves the thin-oil-film equation using a …
Modeling the displacement speed in the flame surface density method for turbulent premixed flames at high pressures
We propose a model of the local displacement speed for the large-eddy simulation (LES) of
turbulent premixed combustion with the flame surface density (FSD) method. This model …
turbulent premixed combustion with the flame surface density (FSD) method. This model …
Effects of Lewis and Karlovitz numbers on transport equations for turbulent kinetic energy and enstrophy
A three-dimensional Direct numerical simulation (DNS) with complex chemistry was
employed to examine the statistical behavior of turbulent kinetic energy (TKE) and enstrophy …
employed to examine the statistical behavior of turbulent kinetic energy (TKE) and enstrophy …