TIDE: A Physically Diverse 3D Turbulence Benchmark Dataset for Advancing Scientific Machine LearningTurbulence is a central testbed for machine learning on physical dynamics because its governing laws are known exactly. However, most existing studies remain in 2D, while 3D turbulence has…Yilong Dai, Yiming Sun, Yiheng Chen et al.·Aug 4, 2026SaveLearn
An Artificial-Compressibility Physics-Informed Neural Network for the Unsteady Incompressible Navier--Stokes EquationsWe study a physics-informed neural network (PINN) for the unsteady, two-dimensional incompressible Navier--Stokes equations in which the stiff divergence-free constraint is replaced by an…Aytekin Çibik·Aug 4, 2026SaveLearn
Floquet stability analysis of pulsatile particle-laden channel flowWe investigate the linear stability of particle-laden pulsatile channel flow using Floquet analysis within a two-phase dusty-gas framework. Uniformly distributed spherical particles are coupled to an…Ananthapadmanabhan Ramesh, Benoit Pier, Parisa Mirbod·Aug 4, 2026SaveLearn
Impact of Wind Direction on Flow and Turbulent Statistics Over a Realistic Urban Area: A Large-Eddy Simulation StudyEffects of wind direction in realistic urban canopies remain difficult to characterize systematically because local flow patterns, building-height variability, and turbulent statistics within a…Josep M. Duró, Ernest Mestres, Ming Teng et al.·Aug 4, 2026SaveLearn
A windy sea surface with Stokes wavesPredicting the transition of wind-forced, gravito-capillary surface waves from smooth to corrugated states remains a longstanding problem in nonlinear wave mechanics. Solving driven-dissipative,…Nikhil Yewale, Anil Kumar, Vinod Kadari et al.·Aug 4, 2026SaveLearn
Modelisation of chaotic systems with a latent Stochastic Differential EquationStochastic Differential Equations (SDEs) have become a cornerstone of scientific machine learning, though they are predominantly utilized as algorithmic tools for uncertainty quantification or…Ismaël Zighed, Nicolas Thome, Patrick Gallinari et al.·Aug 4, 2026SaveLearn
Construction of flexible wing models by combined manufacturing of additive and subtractive processes for transonic wind tunnel testingThis study presents a systematic manufacturing approach that combines metal additive manufacturing and subtractive machining to construct flexible wing models for transonic wind tunnel testing. Two…Natsuki Tsushima, Kensuke Soneda, Kenichi Saitoh et al.·Aug 4, 2026SaveLearn
Statistical Analysis of Droplet Size Distributions in Liquid-Jet-in-Crossflow AtomizationThis study investigates the droplet size distribution (DSD) and atomization characteristics of a liquid jet injected into a crossflow (LJICF) under varied momentum flux ratios, Weber numbers, and…Tom Johny, Bharat Bhatia, Zafar Alam et al.·Aug 4, 2026SaveLearn
Flame Dynamics of Air-Diluted Methanol spray Combustion in Confined Swirling Vitiated Hot CoflowThis study employs swirling hot coflow to ensure improved fuel-air mixture and stable flame, which are essential for designing low-emission, swirl-stabilized combustors. The present study introduces…Zafar Alam, Bharat Bhatia, Ashoke De·Aug 4, 2026SaveLearn
Optimal heat transport at the edge of energy stabilityHigh heat transfer in Rayleigh--Bénard convection is commonly associated with vigorous turbulent motion, but turbulence intensity alone does not explain how a limiting transport state is selected. We…Zijing Ding, Baole Wen, Hui Li·Aug 4, 2026SaveLearn
A neural operator framework for data-driven discovery of stability and receptivity in physical systemsUnderstanding how complex systems respond to perturbations, such as whether they will remain stable or what their most sensitive patterns are, is a fundamental challenge across science and…Chengyun Wang, Liwei Chen, Nils Thuerey·Aug 4, 2026SaveLearn
Particle trapping in vortex crystalsWe study the motion of inertial particles in two-dimensional inviscid and viscous vortex crystals, where vortices are placed at the tips of a regular polygon, and determine the conditions under which…Jean-Régis Angilella, S. Ravichandran·Aug 3, 2026SaveLearn
Aerodynamic Drag and Heat Transfer Corrections for Dehydrated Pollen Particles: CFD-Based Modeling of Airborne Allergen Transport in Smart Urban EnvironmentsAirborne pollen transport is a key concern for urban air-quality assessment, allergy-risk forecasting, and smart-city planning. However, conventional dispersion models generally assume smooth…Omar Hamad, Samer Ali, Mahmoud Khaled et al.·Aug 3, 2026SaveLearn
Coherent structure modulation and recovery in drag-reduced turbulent boundary layersDrag reduction is achieved by a steady square-wave forcing of the spanwise wall velocity, based on the experiments in Knoop et al. (Phys. Rev. Fluids, 10, 2025). Particle tracking velocimetry data…Traian Bistriceanu, Vyacheslav A. Kovalyov, Pradyumn Mishra et al.·Aug 3, 2026SaveLearn
Measurements of non-linear energy transfer in canonical and drag-reduced turbulent boundary layersThree-dimensional particle-tracking velocimetry (3D-PTV) measurements were used to compute the spectral transport of the Reynolds-stress tensor. The experimental framework is validated for a…Max W. Knoop, Bas W. van Oudheusden, Rahul Deshpande·Aug 3, 2026SaveLearn
Leidenfrost droplets: The roles of ambient humidity and internal droplet circulationA volatile droplet gently deposited on a superheated substrate can sit on a thin film of its own vapour, which prevents contact between the drop and surface. This phenomenon is called the Leidenfrost…Maxim de Wildt, Andrea Prosperetti, Christian Diddens et al.·Aug 3, 2026SaveLearn
Orientation Dynamics of Rigid Fibers in a Microfluidic Burgers-like VortexFiber suspensions are common in biological and environmental flows and are widely used in industrial applications. Fiber transport and orientation dynamics are affected by interactions with the…Marine Aulnette, Mathis Coutadeur, Clément Bielinski et al.·Aug 3, 2026SaveLearn
No evidence of vorticity production from irrotational turbulent gravitational collapse yetGravitational collapse creates large amounts of kinetic energy that could potentially seed turbulence. If such turbulence were also suitable to initiate dynamo action, the resulting magnetic field…Axel Brandenburg, Evangelia Ntormousi, Jennifer Schober·Aug 3, 2026SaveLearn
Stretching and Lyapunov Exponents of Polymers in Ultra-Dilute Turbulent SolutionsWe analyse bead--spring polymers coupled to Navier--Stokes turbulence in ultra--dilute solutions at Weissenberg number \(Wi≈ 80\). The polymers do not alter the large-scale turbulent structure,…Demosthenes Kivotides·Aug 3, 2026SaveLearn
Uncertainty analysis of URANS simulations coupled with an anisotropic pressure fluctuation modelAccurate prediction of pressure and velocity fluctuations in turbulent flows is essential for understanding flow-induced vibration and structural fatigue. This study investigates the role of…Ali Eidi, Richard P. Dwight·Aug 3, 2026SaveLearn
Supersonic jet impingement on concave surfacesThe aeroacoustic resonance of round supersonic jets impinging on concave surfaces is investigated using compressible large-eddy simulations, vortex-sheet modelling, and Powell's feedback-loop…Hemanth Chandravamsi, Dhanush Vittal Shenoy, Steven H. Frankel·Aug 2, 2026SaveLearn
Cross-stream pressure support and the limits of scalar relaxation in rarefied Poiseuille flowThe weak wall-normal pressure variation in pressure-driven rarefied Poiseuille flow is a stringent test of higher-order constitutive models: it is almost invisible in the total-pressure norm, yet it…Omid Ejtehadi, Ehsan Roohi·Aug 2, 2026SaveLearn
Stable and Efficient One-Way Modelling of Convective Disturbances in Laminar Boundary Layers: OWNS-SummationOne-way spatial marching methods separate upstream- from downstream-propagating disturbances using a rational approximation of a spectral projector. Among existing one-way Navier--Stokes (OWNS)…Elliot J. Badcock, Shahid Mughal·Aug 2, 2026SaveLearn
4D Topology optimization of moving rigid bodies in fluid flowsThis study applies 4D topology optimization, a framework for simultaneously optimizing the morphology and motion of a system, to a rigid body that induces fluid flow. The rigid body shape…Yuta Tanabe, Kentaro Yaji, Kuniharu Ushijima·Aug 2, 2026SaveLearn
Physics-informed neural networks for two-dimensional wall-reactive solute dispersion in canonical shear flowsThe dispersion of reactive solutes in shear flows is governed by the interplay between advective stretching, transverse diffusion, and boundary exchange kinetics. While classical analytical methods…Nanda Poddar, Subham Dhar·Aug 1, 2026SaveLearn