[HTML][HTML] Turbomachinery simulation challenges and the future
Dramatic changes to aircraft design are on the horizon to meet ambitious efficiency and
emissions targets. This will bring about changes in the role and design of aero-engines …
emissions targets. This will bring about changes in the role and design of aero-engines …
Reynolds-averaged Navier–Stokes equations with explicit data-driven Reynolds stress closure can be ill-conditioned
Reynolds-averaged Navier–Stokes (RANS) simulations with turbulence closure models
continue to play important roles in industrial flow simulations. However, the commonly used …
continue to play important roles in industrial flow simulations. However, the commonly used …
Explicit formula for the Liutex vector and physical meaning of vorticity based on the Liutex-Shear decomposition
Y Wang, Y Gao, J Liu, C Liu - Journal of Hydrodynamics, 2019 - Springer
In the present study, the physical meaning of vorticity is revisited based on the Liutex-Shear
(RS) decomposition proposed by Liu et al. in the framework of Liutex (previously called …
(RS) decomposition proposed by Liu et al. in the framework of Liutex (previously called …
Flows over periodic hills of parameterized geometries: A dataset for data-driven turbulence modeling from direct simulations
Computational fluid dynamics models based on Reynolds-averaged Navier–Stokes
equations with turbulence closures still play important roles in engineering design and …
equations with turbulence closures still play important roles in engineering design and …
[HTML][HTML] Xcompact3D: An open-source framework for solving turbulence problems on a Cartesian mesh
Xcompact3D is a Fortran 90–95 open-source framework designed for fast and accurate
simulations of turbulent flows, targeting CPU-based supercomputers. It is an evolution of the …
simulations of turbulent flows, targeting CPU-based supercomputers. It is an evolution of the …
Reinforcement learning of control strategies for reducing skin friction drag in a fully developed turbulent channel flow
T Sonoda, Z Liu, T Itoh, Y Hasegawa - Journal of Fluid Mechanics, 2023 - cambridge.org
Reinforcement learning is applied to the development of control strategies in order to reduce
skin friction drag in a fully developed turbulent channel flow at a low Reynolds number …
skin friction drag in a fully developed turbulent channel flow at a low Reynolds number …
Numerical dissipation vs. subgrid-scale modelling for large eddy simulation
This study presents an alternative way to perform large eddy simulation based on a targeted
numerical dissipation introduced by the discretization of the viscous term. It is shown that this …
numerical dissipation introduced by the discretization of the viscous term. It is shown that this …
Non-equilibrium scaling laws in axisymmetric turbulent wakes
We present a combined direct numerical simulation and hot-wire anemometry study of an
axisymmetric turbulent wake. The data lead to a revised theory of axisymmetric turbulent …
axisymmetric turbulent wake. The data lead to a revised theory of axisymmetric turbulent …
Direct numerical simulation of a turbulent jet impinging on a heated wall
T Dairay, V Fortuné, E Lamballais… - Journal of Fluid …, 2015 - cambridge.org
Direct numerical simulation (DNS) of an impinging jet flow with a nozzle-to-plate distance of
two jet diameters and a Reynolds number of 10 000 is carried out at high spatial resolution …
two jet diameters and a Reynolds number of 10 000 is carried out at high spatial resolution …
[HTML][HTML] Proper orthogonal decomposition and dynamic mode decomposition of jet in channel crossflow
The paper is devoted to the application of the model order reduction to the results of direct
numerical simulation of a low momentum laminar jet discharged into a laminar channel …
numerical simulation of a low momentum laminar jet discharged into a laminar channel …