The hybridized discontinuous Galerkin method for implicit large-eddy simulation of transitional turbulent flows
We present a high-order Implicit Large-Eddy Simulation (ILES) approach for transitional
aerodynamic flows. The approach encompasses a hybridized Discontinuous Galerkin (DG) …
aerodynamic flows. The approach encompasses a hybridized Discontinuous Galerkin (DG) …
Effects of trailing-edge serration shape on airfoil noise reduction with zero incidence angle
YS Hu, PJY Zhang, ZH Wan, NS Liu, DJ Sun, XY Lu - Physics of Fluids, 2022 - pubs.aip.org
When controlling the trailing-edge (TE) interference noise of airfoil, the design of the TE
serration shape is still an open issue. To this end, the flow and noise generation for different …
serration shape is still an open issue. To this end, the flow and noise generation for different …
Recovering missing CFD data for high-order discretizations using deep neural networks and dynamics learning
Data I/O poses a significant bottleneck in large-scale CFD simulations; thus, practitioners
would like to significantly reduce the number of times the solution is saved to disk, yet retain …
would like to significantly reduce the number of times the solution is saved to disk, yet retain …
Noise reduction mechanisms for insert-type serrations of the NACA-0012 airfoil
YS Hu, ZH Wan, CC Ye, DJ Sun, XY Lu - Journal of Fluid Mechanics, 2022 - cambridge.org
Trailing-edge serrations inspired by owls are capable of reducing broadband noise. In this
study, the wall-resolved large-eddy simulations (LES) are carried out on the flow over NACA …
study, the wall-resolved large-eddy simulations (LES) are carried out on the flow over NACA …
Optimization of Triangular Airfoils for Martian Helicopters Using Direct Numerical Simulations
Mars has a lower atmospheric density than Earth, and the speed of sound is lower due to its
atmospheric composition and lower surface temperature. Consequently, Martian rotor …
atmospheric composition and lower surface temperature. Consequently, Martian rotor …
Non-modal analysis of spectral element methods: Towards accurate and robust large-eddy simulations
High-order spectral element methods (SEM) for large-eddy simulation (LES) are still very
limited in industry. One of the main reasons behind this is the lack of robustness of SEM for …
limited in industry. One of the main reasons behind this is the lack of robustness of SEM for …
Resolvent model for aeroacoustics of trailing edge noise
This study presents a physics-based, low-order model for the trailing edge (TE) noise
generated by an airfoil at low angle of attack. The approach employs incompressible …
generated by an airfoil at low angle of attack. The approach employs incompressible …
Comparison of ROW, ESDIRK, and BDF2 for unsteady flows with the high-order flux reconstruction formulation
We conduct a comparative study of the Jacobian-free linearly implicit Rosenbrock–Wanner
(ROW) methods, the explicit first stage, singly diagonally implicit Runge–Kutta (ESDIRK) …
(ROW) methods, the explicit first stage, singly diagonally implicit Runge–Kutta (ESDIRK) …
High-Order Implicit Large Eddy Simulation using Entropically Damped Artificial Compressibility
BC Vermeire - Computers & Fluids, 2024 - Elsevier
Performing industrial scale incompressible Large Eddy Simulation (LES) remains
particularly challenging due to computational cost limitations. Recently, the Entropically …
particularly challenging due to computational cost limitations. Recently, the Entropically …
Subgrid-scale modeling and implicit numerical dissipation in DG-based Large-Eddy Simulation
Over the past few years, high-order discontinuous Galerkin (DG) methods for Large-Eddy
Simulation (LES) have emerged as a promising approach to solve complex turbulent flows …
Simulation (LES) have emerged as a promising approach to solve complex turbulent flows …