Machine learning methods in CFD for turbomachinery: A review

J Hammond, N Pepper, F Montomoli… - International Journal of …, 2022 - mdpi.com
Computational Fluid Dynamics is one of the most relied upon tools in the design and
analysis of components in turbomachines. From the propulsion fan at the inlet, through the …

Applying Bayesian optimization with Gaussian process regression to computational fluid dynamics problems

Y Morita, S Rezaeiravesh, N Tabatabaei… - Journal of …, 2022 - Elsevier
Bayesian optimization (BO) based on Gaussian process regression (GPR) is applied to
different CFD (computational fluid dynamics) problems which can be of practical relevance …

[HTML][HTML] Quantifying uncertainties in direct numerical simulations of a turbulent channel flow

J O'Connor, S Laizet, A Wynn, W Edeling… - Computers & Fluids, 2024 - Elsevier
Direct numerical simulation (DNS) provides unrivalled levels of detail and accuracy for
simulating turbulent flows. However, like all numerical methods, DNS is subject to …

[HTML][HTML] On numerical uncertainties in scale-resolving simulations of canonical wall turbulence

S Rezaeiravesh, R Vinuesa, P Schlatter - Computers & Fluids, 2021 - Elsevier
The present study focuses on applying different metrics to assess accuracy, robustness and
sensitivity of scale-resolving simulations of turbulent channel flow, when the numerical …

Systematic study of accuracy of wall-modeled large eddy simulation using uncertainty quantification techniques

S Rezaeiravesh, T Mukha, M Liefvendahl - Computers & Fluids, 2019 - Elsevier
The predictive accuracy of wall-modeled large eddy simulation is studied by systematic
simulation campaigns of turbulent channel flow. The effect of wall model, grid resolution and …

Role of phase-difference between two adjacent rectangular synthetic jet actuators in active control of flow over a rounded ramp

E Asgari, M Tadjfar - Physics of Fluids, 2022 - pubs.aip.org
In the current study, the role of phase-difference between signals of two adjacent synthetic
jet actuators (SJAs) in active control of flow over a rounded ramp geometry has been …

Thermal large-eddy simulation methods to model highly anisothermal and turbulent flows

M David, A Toutant, F Bataille - Physics of Fluids, 2023 - pubs.aip.org
Thermal large-eddy simulations (T-LES) of highly anisothermal and turbulent channel flows
are assessed using direct numerical simulations (DNS). The investigated conditions are …

[HTML][HTML] An uncertainty-quantification framework for assessing accuracy, sensitivity, and robustness in computational fluid dynamics

S Rezaeiravesh, R Vinuesa, P Schlatter - Journal of Computational Science, 2022 - Elsevier
Combining different existing uncertainty quantification (UQ) techniques, a framework is
obtained to assess a set of metrics in computational physics problems, in general, and …

Static mesh adaptation for reliable large eddy simulation of turbulent reacting flows

PW Agostinelli, B Rochette, D Laera, J Dombard… - Physics of …, 2021 - pubs.aip.org
The design challenge of reliable lean combustors needed to decrease pollutant emissions
has clearly progressed with the common use of experiments as well as large eddy …

Effect of the liquid–gas interface curvature for a superhydrophobic surface with longitudinal grooves in turbulent flows

J Yao, CJ Teo - Physics of Fluids, 2021 - pubs.aip.org
A superhydrophobic (SH) surface has shown great potential in reducing flow resistance and
saving energy in hydrodynamic applications. In this paper, we have tried to investigate the …