Data-driven modeling for unsteady aerodynamics and aeroelasticity

J Kou, W Zhang - Progress in Aerospace Sciences, 2021 - Elsevier
Aerodynamic modeling plays an important role in multiphysics and design problems, in
addition to experiment and numerical simulation, due to its low-dimensional representation …

Data-driven modal decomposition methods as feature detection techniques for flow problems: A critical assessment

B Begiashvili, N Groun, J Garicano-Mena… - Physics of …, 2023 - pubs.aip.org
Modal decomposition techniques are showing a fast growth in popularity for their wide range
of applications and their various properties, especially as data-driven tools. There are many …

Higher order dynamic mode decomposition: From fluid dynamics to heart disease analysis

N Groun, M Villalba-Orero, E Lara-Pezzi… - Computers in Biology …, 2022 - Elsevier
In this work, we study in detail the performance of Higher Order Dynamic Mode
Decomposition (HODMD) technique when applied to echocardiography images. HODMD is …

[HTML][HTML] A dynamic mode decomposition technique for the analysis of non–uniformly sampled flow data

B Li, J Garicano-Mena, E Valero - Journal of Computational Physics, 2022 - Elsevier
Abstract A novel Dynamic Mode Decomposition (DMD) technique capable of handling non–
uniformly sampled data is proposed. As it is usual in DMD analysis, a linear relationship …

[HTML][HTML] pyLOM: A HPC open source reduced order model suite for fluid dynamics applications

B Eiximeno, A Miró, B Begiashvili, E Valero… - Computer Physics …, 2024 - Elsevier
This paper describes the numerical implementation in a high-performance computing
environment of an open-source library for model order reduction in fluid dynamics. This …

A novel data-driven method for the analysis and reconstruction of cardiac cine MRI

N Groun, M Villalba-Orero, E Lara-Pezzi… - Computers in biology …, 2022 - Elsevier
Cardiac cine magnetic resonance imaging (MRI) can be considered the optimal criterion for
measuring cardiac function. This imaging technique can provide us with detailed information …

A data–driven sensibility tool for flow control based on resolvent analysis

E Lazpita, J Garicano-Mena, G Paniagua… - Results in …, 2024 - Elsevier
This study presents a novel application of data-driven resolvent analysis algorithm for flow
control. The objective is to identify key coherent structures connected to regions of the flow …

[HTML][HTML] Higher order dynamic mode decomposition beyond aerospace engineering

N Groun, B Begiashvili, E Valero, J Garicano-Mena… - Results in …, 2023 - Elsevier
It is a well known fact that fluid dynamics play a crucial rule in countless fields in scientific
and industrial applications, including nature and medicine (ocean currents, fluid motion …

Wavy walls, a passive way to control the transition to turbulence. detailed simulation and physical explanation

A Mateo-Gabín, M Chávez, J Garicano-Mena, E Valero - Energies, 2021 - mdpi.com
Inducing spanwise motions in the vicinity of solid boundaries alters the energy, mass and/or
momentum transfer. Under some conditions, these motions are such that drag is reduced …

[HTML][HTML] Effects of temperature on drag reduction in a subsonic turbulent boundary layer via micro-blowing array

XIE Lan, LI Binghua, Y Zhang, Y Zheng… - Chinese Journal of …, 2022 - Elsevier
A comparative study of two micro-blowing temperature cases has been performed to
investigate the characteristics of drag reduction in a subsonic flat-plate flow (where the …