Multiple states of turbulence at vanishing inertiaBased on everyday experience fluid flows tend to be ordered and quiescent if inertial forces are low and held in check by viscosity. This intuition spectacularly fails in the case of complex…Ziyin Lu, Björn Hof·Feb 26, 2026SaveLearn
From synthetic turbulence to true solutions: A deep diffusion model for discovering periodic orbits in the Navier-Stokes equationsGenerative artificial intelligence has shown remarkable success in synthesizing data that mimic complex real-world systems, but its potential role in the discovery of mathematically meaningful…Jeremy P Parker, Tobias M Schneider·Feb 26, 2026SaveLearn
On the spatial structure and intermittency of soot in a lab-scale gas turbine combustor: Insights from large-eddy simulationsThis work presents a numerical investigation of soot formation in the Cambridge lab-scale gas turbine combustor. Large-eddy simulations (LES) of a swirl-stabilized ethylene flame are performed using…Leonardo Pachano, Daniel Mira, Abhijit Kalbhor et al.·Feb 26, 2026SaveLearn
Acoustic Signatures of Pinch-Off Cavities During Water-EntryThis study experimentally, numerically, and theoretically investigates the cavity/bubble dynamics and radiated acoustics during the water entry of a centimeter-scale cylindrical projectile with a…Zirui Liu, Tongtong Ding, Mingyue Kuang et al.·Feb 26, 2026SaveLearn
Kelvin wave and soliton propagation in classical viscous vortex filamentsVortex filaments are highly rotating localized structures of fluids that admits several types of excitation. Here, we study them by using numerical simulations of the three-dimensional incompressible…Elio Sterkers, Giorgio Krstulovic·Feb 25, 2026SaveLearn
Large eddy simulation of turbulent swirl-stabilized flames using the front propagation formulation: impact of the resolved flame thicknessThis work extends the front propagation formulation (FPF) combustion model to large eddy simulation (LES) of swirl-stabilized turbulent premixed flames and investigates the effects of resolved flame…Ruochen Guo, Yunde Su, Yuewen Jiang·Feb 25, 2026SaveLearn
Frequency-Dependent Magnetic modulation of deposition morphologyThis paper presents a novel approach for magnetic modulation of deposition morphology in an evaporating ferrofluid droplet. The magnetic field strength and ferrofluid concentration are kept…S. K. Saroj, P. K. Panigrahi·Feb 25, 2026SaveLearn
Spatial symmetry invariance of solution of Kolmogorov flowWe prove a mathematical theorem that solution for all t > 0 of the two-dimensional (2D) Kolmogorov flow governed by Navier-Stokes (NS) equations with periodic boundary condition keeps the same…Shijun Liao·Feb 25, 2026SaveLearn
A Novel Explicit Filter for the Approximate Deconvolution in Large-Eddy Simulation on General Unstructured Grids: A posteriori tests on highly stretched gridsExplicit filters play a pivotal role in the scale separation and numerical stability of advanced Large Eddy Simulation (LES) closures, such as dynamic eddy-viscosity or Approximate Deconvolution (AD)…Mohammad Bagher Molaei, Ehsan Amani, Morteza Ghorbani·Feb 24, 2026SaveLearn
Advection-modulated gaseous diffusion through an orificeWe examine flow and transport through an orifice in a flat wall separating semi-infinite atmospheres of two dissimilar gases. The analysis assumes steady conditions and order-unity values of the…Mario Sánchez Sanz, Antonio L. Sánchez·Feb 24, 2026SaveLearn
On the Mathematical Analysis and Physical Implications of the Principle of Minimum Pressure GradientIn this paper, we establish a two-way equivalence between the incompressible Navier- Stokes equation (INSE) and the principle of minimum pressure gradient (PMPG). We prove that a candidate smooth…Haithem Taha·Feb 24, 2026SaveLearn
Improvement of reduced-order model for two-dimensional cylinder flow based on global proper orthogonal decomposition in terms of robustness and computational speedReduced-order models (ROMs) are widely used in fluid engineering to enable rapid prediction of flow fields for parametric analysis, design optimization, and control applications. Proper orthogonal…Yuto Nakamura, Shintaro Sato, Naofumi Ohnishi·Feb 24, 2026SaveLearn
Hydrodynamic modulation via cupping in a crustacean-inspired propulsorShrimp, like many invertebrates swimming at intermediate Reynolds numbers (Re), rely on the interplay between morphology and kinematics to generate thrust while producing sufficient lift to…Sara Oliveira Santos, Maggie Brown, Minki Kim et al.·Feb 24, 2026SaveLearn
Counterflow around a cylinderThe incompressible flow around a circular cylinder, positioned at the center of an unconfined planar counterflow, is studied by means of numerical solutions of the conservation equations and linear…Matheus P. Severino, Leandro F. Souza, Elmer M. Gennaro et al.·Feb 23, 2026SaveLearn
Conservation laws, fluxes, and symmetries: lessons from a perturbative approach for self-organized turbulenceSome turbulent flows self-organize into large-scale structures, rather than breaking up into ever-smaller scales. Underpinning this phenomenon is the existence of two sign-definite quantities which…Anna Frishman, Sébastien Gomé, Anton Svirsky·Feb 23, 2026SaveLearn
On the importance of stochasticity in closures of turbulenceDeterministic closures for coarse-grained turbulence models help reproduce mean statistics, but often fail to capture the finite-time growth of uncertainty. Using the framework of shell models as a…André Freitas, Luca Biferale, Mathieu Desbrun et al.·Feb 23, 2026SaveLearn
Machine Learning based Ensemble Flame Regime Classification for Mesoscale Combustors based on Insights from Linear and Nonlinear Dynamic AnalysisGaining insights into flame behaviour at small scales can lead to improvements in the efficiency of micro-reactors, compact power generation systems, fire safety technologies, and various other…M Ashwin Ganesh, Akhil Aravind, Balasundaram Mohan et al.·Feb 23, 2026SaveLearn
A unified SPH framework for shell-related interactionsA unified Smoothed Particle Hydrodynamics (SPH) framework is proposed to simulate interaction dynamics involving thin shells modeled by a reduced-dimensional, single-layer particle discretization, as…Dong Wu, Shuaihao Zhang, Weiyi Kong et al.·Feb 23, 2026SaveLearn
Squirmers with arbitrary shape and slip: modeling, simulation, and optimizationWe consider arbitrary-shaped microswimmers of spherical topology and propose a framework for expressing their slip velocity in terms of tangential basis functions defined on the boundary of the…Kausik Das, Hai Zhu, Marc Bonnet et al.·Feb 22, 2026SaveLearn
Water immersion single-mirror schlieren imaging system for flow visualizationSchlieren imaging is a popular optical technique for visualizing flow in transparent media. In-water high-sensitivity flow visualization, using schlieren imaging, is usually performed with a…Shubham Saxena, Manish Kumar·Feb 22, 2026SaveLearn
Vortex breakdown and its topologies in turbulent flows within a typical swirl combustor geometryWe investigate vortex breakdown (VB) and its dominant topologies in turbulent, non-reacting flows within a canonical swirl combustor using large-eddy simulations (LES). A baseline configuration and…Nitesh Kumar Sahu, Anupam Dewan, Mayank Kumar·Feb 22, 2026SaveLearn
Solving compressible Navier-Stokes equations using the feature-enhanced neural networkPhysics-informed neural networks (PINNs) have shown remarkable prospects in solving partial differential equations (PDEs) involving fluid mechanics. However, the method has so far succeeded only in…Jiahao Song, Wenbo Cao, Weiwei Zhang·Feb 21, 2026SaveLearn
Solutocapillary bubble centering in a confined ethanol plume in waterThis study investigates the radial centering of gas bubbles within a buoyant plume of ethanol injected into a co-flowing water sheath flow in a vertical capillary. Bubbles nucleate in the ethanol…Tobias Baier, Steffen Bisswanger, Sebastian Dehe et al.·Feb 20, 2026SaveLearn
Measured multiple flow states in turbulent thermal convection with aspect ratio 10We report an experimental investigation of turbulent Rayleigh-Benard convection in a rectangular cell of large aspect ratio ( = 10) over the Rayleigh number range $5.4×107 Ra …Yi-Zhen Li, Jun-Jie Huo, Xin Chen et al.·Feb 20, 2026SaveLearn
Manifestation of spurious currents and interface regularization in wind turbulence over fast-propagating wavesAccurate simulation of wind turbulence over fast-propagating waves requires interface-capturing methods that suppress numerical artifacts while accurately resolving momentum transfer across the…Hanul Hwang, Catherine Gorle·Feb 20, 2026SaveLearn