Computer-assisted global regularity across nonlinear families of three-dimensional periodic Navier-Stokes flowsNumerical simulations reveal how vortices stretch and transfer energy, but establishing smooth evolution requires bounds that remain valid beyond the simulated resolution. Here I develop a…Jose Luis Lima de Jesus Silva·Sep 14, 2026SaveLearn
A deep dive into Tollmien-Schlichting wave control via passive wall deformations: The battle between local and downstream stabilization, lessons learned, and implications for phononic subsurfacesA decade ago, a landmark study on flow control via subsurface phonons transformed our understanding of fluid-structural interactions, compelling us to reimagine ways by which to suppress boundary…H. Yousef, H. Hassan, I. Roy et al.·Sep 14, 2026SaveLearn
Assessment of wind energy potential of buildings by CFD simulation in dense urban environments - From Case Studies to a Dendrogram-Based Design FrameworkBuilding-integrated wind turbines (BIWT) remain under-deployed in dense European urban contexts despite their potential contribution to net-zero energy targets. This paper presents a…David Serero, Lo{ï}c Couton, Jean-Denis Parisse et al.·Sep 14, 2026SaveLearn
Deep Koopman SensingReal-time reconstruction of fluid flows from sparse sensor measurements is important for both physical understanding and flow control. When first-principles models are too expensive for online data…Nithin Somasekharan, Yadi Cao, Shaowu Pan·Sep 14, 2026SaveLearn
Fluctuation-dissipation relations in isotropic turbulence from Kraichnan's fully resolved DIA closureKraichnan's Direct Interaction Approximation (DIA) provides a classical closure framework for homogeneous turbulence, yet its quantitative predictions across all scales remain incompletely…Elias Kohler, Matthias Fuchs·Sep 14, 2026SaveLearn
Physics Informed Neural Network model for the dynamical study of Abdominal Aortic AneurysmWe present the development and application of a three-dimensional Physics-Informed Neural Network (PINN) framework for the investigation of haemodynamic behaviour in the human aorta. The model…Adrián Robles Arques, Martín Ruiz Fernandez, Javier Sanchis et al.·Sep 14, 2026SaveLearn
A Calibrated Reduced-Order Force Model for Bacterial Hydrodynamics in Free Space and Near a Planar BoundaryAccurately resolving the near-field flow generated by many swimming bacteria while retaining computational efficiency remains challenging. Stokeslet-based models with many force points can capture…Hoa Nguyen, William Wallace, Orrin Shindell et al.·Sep 14, 2026SaveLearn
Topological Flame Bifurcation, Aerodynamic Flashback Margins, and Multi-Pathway NOx Scaling in a 3D Swirl-Stabilized 100% Pure Hydrogen Aero-Engine CombustorBurning neat hydrogen in aircraft turbines eliminates carbon emissions, yet rapid reaction rates trigger nozzle flashback hazards and high nitrogen oxide emissions across flight throttles. This study…Prashant Suresh Kamble·Sep 13, 2026SaveLearn
On the size and shape of condensing steam jets and plumesDroplet-laden cloud dynamics emerge from coupled phase transitions and turbulent mixing. Combining experiments and mean-field theory, we establish scaling laws for steam-injected clouds in…N. Fourcade, F. Poydenot, P. Langlois et al.·Sep 13, 2026SaveLearn
A Comprehensive Analysis of the Relation between Intermittency and Dissipation in Non-Homogeneous Turbulent FlowsA recent study of various turbulent flows showed that intermittency and dissipation exhibit consistent scaling behavior beyond homogeneous isotropic turbulence (HIT). For turbulent wakes, grid…F. H. Schmitt, J. Peinke, M. Obligado·Sep 13, 2026SaveLearn
Control of Reverse Flow on High-Speed Rotorcraft Using a Blade with a Sinusoidal Trailing EdgeOne of the main challenges limiting the maximum forward speed of high-speed rotorcraft is the development of reverse flow on retreating blades. Flow separation at the sharp aerodynamic leading edge…Ranga Srinivas Gokul, Tufan Kumar Guha·Sep 13, 2026SaveLearn
A compatibility--realization framework for singular Navier--Stokes flows: admissible families and non-rigid core mechanicsWe introduce a compatibility--realization framework for constructing singular solutions to the forced three-dimensional incompressible Navier--Stokes equations. The framework separates exact balance…Weishuo Liu·Sep 13, 2026SaveLearn
Embracing Flow Unsteadiness: A High-Throughput Learning Platform Enables Vortex-Exploiting Bioinspired PropulsionBiological swimmers and flyers exploit unsteady vortices for propulsion, whereas engineered vehicles usually suppress them as disturbances. Learning such flow exploitation in machines is difficult…Fei Han, Xinyu Cui, Zhipeng Wang et al.·Sep 13, 2026SaveLearn
Task-preserving neural segmentation of overlapping shocks and vortex cores in compressible flowsShock fronts and vortex cores often coexist and overlap in compressible flows, where walls, wakes and shear layers also produce strong gradients. Refining a network to detect one structure can…Ehsan Roohi·Sep 12, 2026SaveLearn
Retraction dynamics of polymer-laden droplets impacting a smooth solid surfaceHypothesis: The presence of a polymer in a droplet plays a significant role in contact line dynamics following droplet impact onto a solid substrate. We hypothesize that the polymer concentration…Koji Hasegawa, Patrick Palmetshofer, Anne K. Geppert et al.·Sep 12, 2026SaveLearn
Lagrangian Dynamical Theory of the Velocity Gradient Tensor: Real Schur Form, Schur Frame, Characteristic Vorticity Modes, and Commutative Vorticity OperatorsThe present work proposes a novel Lagrangian dynamical theory for the velocity gradient tensor (VGT) A∇u, formulated on the basis of its canonical real Schur form in the…Tao Chen·Sep 12, 2026SaveLearn
Vertical vortex gust encounters of a delta wingThe present study analyzes encounters of a vertical vortex with a tailless NACA 0012 delta wing with a sweep angle of 60 degrees at an angle of attack of 10 degrees and Reynolds number 1000 using…Zhecheng Liu, Kunihiko Taira, Jeff D. Eldredge·Sep 11, 2026SaveLearn
A learning-based joint flow and kinematic state estimation for bodies in highly disturbed flowsAccurate estimation of unsteady aerodynamic flows from sparse measurements remains a fundamental challenge, particularly in the presence of strong disturbances, unknown body kinematics, and…Hanieh Mousavi, Anya Jones, Jeff Eldredge·Sep 11, 2026SaveLearn
A Kinetic Energy Preserving and Entropy Conserving Two-Point Flux for Multi-species Compressible FlowHigh-order entropy stable (ES) methods have attracted much interest in the computational fluid dynamics (CFD) research community over the past decade, as we seek to simulate practical engineering…Sai Shruthi Srinivasan, Siva Nadarajah·Sep 11, 2026SaveLearn
A conservative Godunov-type mesh-free hydrodynamics scheme for weakly compressible multiphase flowsWe present a Godunov-type mesh-free hydrodynamics scheme for the numerical simulation of weakly compressible single- and multiphase flows. The method employs a consistent second-order spatial…Fabian Fritz, Stefan Adami, Nikolaus A. Adams·Sep 11, 2026SaveLearn
Large-scale dynamics of equatorial thermal spotsFor a model of a thin spherical layer of an incompressible rotating fluid subjected to the action of Coriolis and buoyancy forces, both analytical solutions in the form of stationary thermal spots…V. P. Goncharov·Sep 11, 2026SaveLearn
How turbulent flows grow vorticity at a pointWe describe how strong vorticity fluctuations appear in three-dimensional incompressible turbulence driven by a large-scale random force. By combining analytical and numerical methods, we construct a…Timo Schorlepp, Vladimir Rosenhaus, Gregory Falkovich·Sep 11, 2026SaveLearn
A free-surface-only closure model for linear waves on general deep-water flowsWe present a novel, spatially two-dimensional (2D) set of equations to study the propagation of linear deep-water surface waves over a general steady three-dimensional (3D) background free surface…Emanuele Zuccoli, Edward James Brambley, Dwight Barkley·Sep 11, 2026SaveLearn
A Variational Formulation of the MHD Induction EquationWe present a variational formulation of the induction equation in magnetohydrodynamics (MHD) based on Gauss's principle of least constraint. The central result is the Euler--Lagrange equation…Ahmed Farooq·Sep 11, 2026SaveLearn
Physical mechanism of turbulence attenuation by polymers from a timescale perspectiveTo elucidate the physical mechanism of turbulence attenuation by polymers at each scale, we conduct direct numerical simulations of homogeneous isotropic turbulence in dilute polymer solutions. We…Hayato Masuda, Yusuke Koide, Yutaro Motoori et al.·Sep 11, 2026SaveLearn