[HTML][HTML] A deep neural network reduced order model for unsteady aerodynamics of pitching airfoils

G Baldan, A Guardone - Aerospace Science and Technology, 2024 - Elsevier
A machine learning framework is developed to compute the aerodynamic forces and
moment coefficients for a pitching NACA0012 airfoil incurring in light and deep dynamic …

Toward the usage of deep learning surrogate models in ground vehicle aerodynamics

B Eiximeno, A Miró, I Rodríguez, O Lehmkuhl - Mathematics, 2024 - mdpi.com
This study introduces a deep learning surrogate model designed to predict the evolution of
the mean pressure coefficient on the back face of a Windsor body across a range of yaw …

Flow control by a hybrid use of machine learning and control theory

T Ishize, H Omichi, K Fukagata - … of Numerical Methods for Heat & …, 2024 - emerald.com
Purpose Flow control has a great potential to contribute to a sustainable society through
mitigation of environmental burden. However, the high dimensional and nonlinear nature of …

A pyramid-style neural network model with alterable input for reconstruction of physics field on turbine blade surface from various sparse measurements

Z Li, F Wen, C Wan, Z Zhao, Y Luo, D Wen - Energy, 2024 - Elsevier
Data from turbine cascade experiments typically exhibits low spatial–temporal resolution,
along with inevitable noise and local data missing. This paper aims to establish a super …

Toward aerodynamic surrogate modeling based on β-variational autoencoders

V Francés-Belda, A Solera-Rico, J Nieto-Centenero… - Physics of …, 2024 - pubs.aip.org
Surrogate models that combine dimensionality reduction and regression techniques are
essential to reduce the need for costly high-fidelity computational fluid dynamics data. New …

Investigation of flue gas temperature effects in natural gas fueled Systems: Experimental thermal performance and structural optimization

K Tanriver, M Ay - International Journal of Heat and Fluid Flow, 2024 - Elsevier
This paper presents an innovative approach by employing experimental and analytical
methods to examine the impact of temperature changes in flue gases following combustion …

On Deep-Learning-Based Closures for Algebraic Surrogate Models of Turbulent Flows

B Eiximeno, M Sanchís-Agudo, A Miró… - arXiv preprint arXiv …, 2024 - arxiv.org
A deep-learning-based closure model to address energy loss in low-dimensional surrogate
models based on proper-orthogonal-decomposition (POD) modes is introduced. Using a …

[HTML][HTML] Large-scale-aware data augmentation for reduced-order models of high-dimensional flows

P Teutsch, MS Ghazijahani, F Heyder… - APL Machine …, 2025 - pubs.aip.org
Convolutional autoencoders have proven to be an adequate tool to perform reduced-order
modeling for high-dimensional nonlinear dynamical systems. Their goal is to reduce …

A deep neural network physics-based reduced order model for dynamic stall

G Baldan, A Guardone - arXiv preprint arXiv:2401.14728, 2024 - arxiv.org
Dynamic stall is a challenging fluid dynamics phenomenon occurring during rapid transient
motion of airfoils where the angle of attack exceeds the static stall angle. Understanding …

Thermodynamics-informed super-resolution of scarce temporal dynamics data

C Bermejo-Barbanoj, B Moya, A Badías… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a method to increase the resolution of measurements of a physical system and
subsequently predict its time evolution using thermodynamics-aware neural networks. Our …