26 citations · 37 across the 9 of their papers we have counts for
8 papers · 1 filter
A self-induced mechanism of large-scale helical structures in compressible turbulent flows
Zheng Yan, Jianchun Wang, Lifeng Wang +6
A novel self-sustaining mechanism is proposed for large-scale helical structures in compressible turbulent flows. The existence of two channels of subgrid-scale and viscosity terms…
A quasi-dynamic one-equation model with joint constraints of kinetic energy and helicity fluxes for large eddy simulation of rotating turbulence
Depei Song, Changping Yu, Zheng Yan +1
For settling the problem with rotating turbulence modelling, a quasi-dynamic one-equation subgrid-scale (SGS) model is proposed in this paper. Considering the key role of the joint…
An MPI-OpenMP mixing parallel open source FW-H code for aeroacoustics calculation
Keli Zhang, Changping Yu, Peiqing Liu +1
In this paper, a permeable surface nondimensional FW-H (Ffowcs Williams-Hawkings) acoustics analogy post-processing code with convective effect and AoA (angle of attack) correction…
New methodology based on energy flux similarity for large-eddy simulation of transitional and turbulent flows
Han Qi, Xinliang Li, Hao Zhou +1
A new methodology based on energy flux similarity is suggested in this paper for large eddy simulation (LES) of transitional and turbulent flows. Existing knowledge reveals that th…
Dual channels of helicity cascade in turbulent flows
Zheng Yan, Xinliang Li, Changping Yu +1
Helicity, as one of only two inviscid invariants in three-dimensional turbulence, plays an important role in the generation and evolution of turbulence. From the traditional viewpo…
An improved helical subgrid-scale model and large-eddy simulation methods in helical turbulence
changping Yu
For helical isotropic turbulence, an improved two-term helical subgrid-scale (SGS) model is proposed and four types of dynamic methods are given to do large-eddy simulation (LES),…
A new eddy-viscosity model for large eddy simulation in helical turbulence
Changping Yu
In isotropic helical turbulence, a new single helical model is suggested for large eddy simulation. Based on the Kolmogrov's hypotheses, the helical model is proposed according to…
A General Method for Large Eddy Simulation in Different Range of Turbulent Flows
Changping Yu
Traditional large eddy simulation is based on Kolmogrov's hypothesis, and done in the inertial range. In inertial range the LES model coefficient is scale-invariant. In many cases,…