Effect of freestream turbulence on the coherent dynamics of a wind turbine wakeThe wake of a model wind turbine exposed to incoming freestream turbulence (FST) with a variety of turbulent characteristics is studied through Particle Image Velocimetry experiments. The FST cases…Neelakash Biswas, Oliver R. H. Buxton·Jan 31, 2026SaveLearn
Parametrization of subgrid scales in long-term simulations of the shallow-water equations using machine learning and convex limitingWe present a method for parametrizing sub-grid processes in the Shallow Water equations. We define coarse variables and local spatial averages and use a feed-forward neural network to learn sub-grid…Md Amran Hossan Mojamder, Zhihang Xu, Min Wang et al.·Jan 30, 2026SaveLearn
Geometric Reinitialization for Capillary Flows: a Comparative Study with State-of-the-Art Conservative Level-Set MethodsSimulations of immiscible flows involving surface tension (ST) require a robust high-fidelity framework. State-of-the-art multi-phase models, such as the Conservative Level-Set (CLS) approach, rely…Helene Papillon-Laroche, Amishga Alphonius, Magdalena Schreter-Fleischhacker et al.·Jan 30, 2026SaveLearn
Stability prediction of vortex induced vibrations of multiple freely oscillating bodiesThe vortex-induced vibration of multiple spring-mounted bodies free to move in the orthogonal direction of the flow is investigated. In a first step, we derive a Linear Arbitrary Lagrangian Eulerian…Théo Mouyen, Javier Sierra, David Fabre et al.·Jan 30, 2026SaveLearn
Dancing rivulets in an air-filled Hele-Shaw cellWe study the behaviour of a thin fluid filament (a rivulet) flowing in an air-filled Hele-Shaw cell. Transverse and longitudinal deformations can propagate on this rivulet, although both are linearly…Grégoire Le Lay, Adrian Daerr·Jan 30, 2026SaveLearn
Parametric vector flows for registration fields in bounded domains with applications to nonlinear interpolation of shock-dominated flowsWe present a registration procedure for parametric model order reduction (MOR) in two- and three-dimensional bounded domains. In the MOR framework, registration methods exploit solution snapshots to…Jon Labatut, Jean-Baptiste Chapelier, Angelo Iollo et al.·Jan 30, 2026SaveLearn
Fluid transport by a single active filament in a three-dimensional two-phase flowMicro-scale cilia play a vital role in mucociliary clearance (MCC) in the human respiratory airways. In this numerical study, we examine fluid transport driven by the active beating of a single…Qian Mao, Umberto d'Ortona, Julien Favier·Jan 30, 2026SaveLearn
Learning Transient Convective Heat Transfer with Geometry Aware World ModelsPartial differential equation (PDE) simulations are fundamental to engineering and physics but are often computationally prohibitive for real-time applications. While generative AI offers a promising…Onur T. Doganay, Alexander Klawonn, Martin Eigel et al.·Jan 29, 2026SaveLearn
Exact coherent structures as building blocks of turbulence on large domainsExact unstable solutions of the Navier-Stokes equations are thought to underpin the dynamics of turbulence, but are usually computed in minimal computational domains. Here, we extend this dynamical…Dmitriy Zhigunov, Jacob Page·Jan 29, 2026SaveLearn
Investigation of Wake Dynamics of a Slender Symmetric Trailing Edge HydrofoilAccurate prediction of wake dynamics behind hydrofoils is critical for mitigating vortex-induced vibrations and improving the performance of hydraulic machinery. Conventional turbulence modeling…Gabriele Gaiti, Chirag Trivedi, Kristian F. Sagmo·Jan 29, 2026SaveLearn
Nonlinear Aerodynamic Response and an Equivalent Static Wind-resistant Design for Anticlastic Conical Tensile MembranesConical Tensile Membrane Structure (TMS) is commonly used for aesthetics, economic design, high rain and snow loading. Such TMS shows complex aerodynamic behavior in presence of geometric…Ajay Kumar, Budhaditya De, Sudib Kumar Mishra et al.·Jan 29, 2026SaveLearn
Asymmetric velocity boundary conditions lead to zonal flow in centrifugal convectionWe perform direct numerical simulations of rapidly rotating annular centrifugal convection to investigate how mixed (asymmetric) velocity boundary conditions and geometric curvature shape the flow…Jun Zhong, Chao Sun·Jan 29, 2026SaveLearn
Depth-Aware Machine Learning Framework for Bubble Characterization in Two-Phase FlowsUnderstanding the three-dimensional motion of bubbles is essential for interpreting transport and mixing in multiphase flows, especially when bubbles deform under shear or move rapidly through the…Chaitanya S Nayak, Faizaan Mohammed, Vivek Kumar et al.·Jan 29, 2026SaveLearn
Reviving the Suspension Balance ModelThe Suspension Balance Model (SBM) [J. Fluid Mech. 275, 157 (1994)] for two-phase flows uses the momentum balance of the particle phase as a closure for the particle flux, showing that…Mu Wang, Tingtao Zhou, John F. Brady·Jan 28, 2026SaveLearn
Machine-learning wall model of large-eddy simulation for low- and high-speed flows over rough surfacesWe present a wall model for large-eddy simulation that incorporates surface-roughness effects and is applicable across low- and high-speed flows, for both transitional and fully rough conditions. The…Rong Ma, Adrian Lozano-Duran·Jan 28, 2026SaveLearn
Effective longitudinal slip over grooves encapsulated by a nearly inviscid lubricantWe calculate the effective slip length for a rectangularly grooved periodic surface encapsulated (i.e., fully wetted) by a lubricant fluid and subjected to exterior shear flow parallel to the…Ory Schnitzer, Ehud Yariv·Jan 28, 2026SaveLearn
Impact-induced viscoelastic bungee-jumper jets with uniform extension and stressWe investigate the dynamics of a "bungee-jumper" jet induced by an impulsive force, which retracts after reaching its peak extension. Despite the strongly extensional and highly nonequilibrium nature…Kyota Kamamoto, Asuka Hosokawa, Yoshiyuki Tagawa·Jan 28, 2026SaveLearn
Higher order moments of scalar within a plume in a turbulent boundary layerThis study examines the statistical nature of instantaneous scalar concentration in an elevated point-source plume (neutral or buoyant) dispersing within a turbulent boundary layer. Using…Miaoyan Pang, Krishna M Talluru, Kapil Chauhan·Jan 28, 2026SaveLearn
Numerically Consistent Non-Boussinesq Subgrid-scale Stress Model with Enhanced ConvergenceWe extend the data-assimilation approach of Ling and Lozano-Dur\'an (AIAA 2025-1280) to develop machine-learning-based subgrid-scale stress (SGS) models for large-eddy simulation (LES) that are…Yuenong Ling, Adrián Lozano-Durán·Jan 28, 2026SaveLearn
Clustering and surface distributions of buoyant particles in open-channel flowsThis study investigates the clustering behaviour and surface distributions of buoyant particles at the air-water interface in open-channel turbulent flow, focusing on the interplay between capillary…Ana Todorova, Robert K. Niven, Matthias Kramer·Jan 28, 2026SaveLearn
Effect of wind turbulence on wave generation over a viscous liquidWhen wind blows over the surface of a viscous liquid, a clear transition from irregular small-amplitude streamwise-oriented wrinkles to well-defined nearly two-dimensional regular waves is observed…Romain Mathis, Sébastien Cazin, Jeanne Methel et al.·Jan 28, 2026SaveLearn
Explainable deep learning reveals the physical mechanisms behind the turbulent kinetic energy equationIn this work, we investigate the physical mechanisms governing turbulent kinetic energy transport using explainable deep learning (XDL). An XDL model based on SHapley Additive exPlanations (SHAP) is…Francisco Alcántara-Ávila, Andrés Cremades, Sergio Hoyas et al.·Jan 27, 2026SaveLearn
Mechanisms of particle entrainment in confined gas-particle systems under moving boundariesParticle entrainment in confined gas-particle systems driven by moving boundaries is central to many industrial and natural processes, including pharmaceutical manufacturing, food processing, and…Arata Hashimoto, Ryosuke Mitani, Toshiki Imatani et al.·Jan 27, 2026SaveLearn
Learning Differentiable Weak-Form Corrections to Accelerate Finite Element SimulationsWe present a differentiable weak-form learning approach for accelerating finite element simulations. Rather than introducing black-box source terms in the strong form of the governing equations, we…Junoh Jung, Emil Constantinescu·Jan 27, 2026SaveLearn
A Practical Computational Hemolysis Model Incorporating Biophysical Properties of the Red Blood Cell MembranePurpose: Hemolysis is a key issue in the design of blood-handling medical devices. Computational prediction of this phenomenon is challenging due to the complex multiscale nature of blood. As a…Nico Dirkes, Marek Behr·Jan 27, 2026SaveLearn