Effect of convective schemes in wall-resolved and wall-modeled LES of compressible wall turbulence
The current study discusses how numerical schemes and discretization approaches affect
wall-resolved and wall-modeled LES outcomes. A turbulent boundary layer setup over a flat …
wall-resolved and wall-modeled LES outcomes. A turbulent boundary layer setup over a flat …
Wall-modeled LES of shock-wave/boundary layer interaction
The present paper discusses the physical reliability of turbulence modeling in an adverse
pressure gradient wall flow setup at moderate/high Reynolds number by comparing wall …
pressure gradient wall flow setup at moderate/high Reynolds number by comparing wall …
Survey of machine-learning wall models for large-eddy simulation
This survey investigates wall modeling in large-eddy simulations (LES) using data-driven
machine-learning (ML) techniques. To this end, we implement three ML wall models in an …
machine-learning (ML) techniques. To this end, we implement three ML wall models in an …
[HTML][HTML] URANOS: A GPU accelerated Navier-Stokes solver for compressible wall-bounded flows
URANOS, a massively parallel GPU-accelerated compressible flow solver for high-fidelity
modeling of compressible wall flows, is presented. URANOS is based on modern high …
modeling of compressible wall flows, is presented. URANOS is based on modern high …
[HTML][HTML] On the coupling between wall-modeled LES and immersed boundary method towards applicative compressible flow simulations
The current work presents an innovative numerical technique for high-Reynolds/high-Mach
number compressible flow simulations in complex configurations. In particular, the research …
number compressible flow simulations in complex configurations. In particular, the research …
Multi-objective RANS aerodynamic optimization of a hypersonic intake ramp at Mach 5
F De Vanna, D Bof, E Benini - Energies, 2022 - mdpi.com
The work describes a systematic optimization strategy for designing hypersonic inlet intakes.
A Reynolds-averaged Navier-Stokes database is mined using genetic algorithms to develop …
A Reynolds-averaged Navier-Stokes database is mined using genetic algorithms to develop …
A POD-mode-augmented wall model and its applications to flows at non-equilibrium conditions
Insights gained from modal analysis are invoked for predictive large-eddy simulation (LES)
wall modelling. Specifically, we augment the law of the wall (LoW) by an additional mode …
wall modelling. Specifically, we augment the law of the wall (LoW) by an additional mode …
Stochastic forcing for sub-grid scale models in wall-modeled large-eddy simulation
In the framework of wall-modeled large-eddy simulation (WMLES), the problem of combining
sub-grid scale (SGS) models with the standard wall law is commonly acknowledged and …
sub-grid scale (SGS) models with the standard wall law is commonly acknowledged and …
[HTML][HTML] URANOS-2.0: Improved performance, enhanced portability, and model extension towards exascale computing of high-speed engineering flows
F De Vanna, G Baldan - Computer Physics Communications, 2024 - Elsevier
Abstract We present URANOS-2.0, the second major release of our massively parallel, GPU-
accelerated solver for compressible wall flow applications. This latest version represents a …
accelerated solver for compressible wall flow applications. This latest version represents a …
[HTML][HTML] A computational slip boundary condition for near-wall turbulence modeling
S Lyu, S Utyuzhnikov - Computers & Fluids, 2022 - Elsevier
Near-wall turbulence modeling represents one of challengers in the computational fluid
dynamics. To tackle this problem, the near-wall non-overlapping domain decomposition …
dynamics. To tackle this problem, the near-wall non-overlapping domain decomposition …