Velocity and temperature scalings leading to compressible laws of the wall
PG Huang, GN Coleman, PR Spalart… - Journal of Fluid …, 2023 - cambridge.org
We exploit the similarity between the mean momentum equation and the mean energy
equation and derive transformations for mean temperature profiles in compressible wall …
equation and derive transformations for mean temperature profiles in compressible wall …
Fast flow prediction of airfoil dynamic stall based on Fourier neural operator
D Meng, Y Zhu, J Wang, Y Shi - Physics of Fluids, 2023 - pubs.aip.org
Dynamic stall on airfoil is of great importance in engineering applications. In the present
work, Fourier neural operator (FNO) is applied to predict flow fields during the dynamic stall …
work, Fourier neural operator (FNO) is applied to predict flow fields during the dynamic stall …
[HTML][HTML] Constrained re-calibration of two-equation Reynolds-averaged Navier–Stokes models
Abstract Machine-learned augmentations to turbulence models can be advantageous for
flows within the training dataset but can often cause harm outside. This lack of …
flows within the training dataset but can often cause harm outside. This lack of …
Constrained recalibration of Reynolds-averaged Navier–Stokes models
The constants and functions in Reynolds-averaged Navier–Stokes (RANS) turbulence
models are coupled. Consequently, modifications of a RANS model often negatively impact …
models are coupled. Consequently, modifications of a RANS model often negatively impact …
A priori screening of data-enabled turbulence models
Assessing the compliance of a white-box turbulence model with known turbulent knowledge
is straightforward. It enables users to screen conventional turbulence models and identify …
is straightforward. It enables users to screen conventional turbulence models and identify …
Data-Guided Low-Reynolds-Number Corrections for Two-Equation Models
Abstract The baseline Launder–Spalding k− ε model cannot be integrated to the wall. This
paper seeks to incorporate the entire law of the wall into the model while preserving the …
paper seeks to incorporate the entire law of the wall into the model while preserving the …
Enhancing generalizability of machine-learning turbulence models
This work aims to incorporate basic calibrations of Reynolds-averaged Navier-Stokes
(RANS) models as part of machine learning (ML) frameworks. The ML frameworks …
(RANS) models as part of machine learning (ML) frameworks. The ML frameworks …
Robust experimental data assimilation for the Spalart-Allmaras turbulence model
This study presents a methodology focusing on the use of computational model and
experimental data fusion to improve the Spalart-Allmaras (SA) closure model for Reynolds …
experimental data fusion to improve the Spalart-Allmaras (SA) closure model for Reynolds …
[HTML][HTML] Field Inversion and Machine Learning Based on the Rubber-Band Spalart-Allmaras Model
W Chenyu, Z Yufei - Theoretical and Applied Mechanics Letters, 2024 - Elsevier
Abstract Machine learning (ML) techniques have emerged as powerful tools for improving
the predictive capabilities of Reynolds-averaged Navier-Stokes (RANS) turbulence models …
the predictive capabilities of Reynolds-averaged Navier-Stokes (RANS) turbulence models …
Generalizable improvement of the Spalart-Allmaras model through assimilation of experimental data
DJS Aulakh, R Maulik - arXiv preprint arXiv:2309.06679, 2023 - arxiv.org
This study focuses on the use of model and data fusion for improving the Spalart-Allmaras
(SA) closure model for Reynolds-averaged Navier-Stokes solutions of separated flows. In …
(SA) closure model for Reynolds-averaged Navier-Stokes solutions of separated flows. In …