995 papers
Fluid dynamics explores how liquids and gases move, shaping everything from weather patterns to the flow of blood through our veins. This field bridges the gap between abstract mathematical equations and the tangible forces that drive our physical world, offering insights into turbulence, aerodynamics, and fluid behavior in complex environments.
On Gist.Science, we process every new preprint in this category directly from arXiv to make cutting-edge research accessible to everyone. Each paper is transformed into a clear, plain-language overview alongside a detailed technical summary, ensuring both students and experts can grasp the latest findings without getting lost in dense jargon.
Below, you will find the most recent studies in fluid dynamics, curated and explained for a broader audience.
The paper proposes PEST, a Physics-Enhanced Swin Transformer that utilizes window-based self-attention, a frequency-domain adaptive loss, and Navier–Stokes constraints to achieve accurate, physically consistent, and computationally efficient 3D turbulence simulations.
This study investigates how the separation distance between two flaps in a dual-flap oscillating surge wave energy converter affects their individual performance and total annual energy production, finding that while wave frequency influences whether interactions are constructive or destructive, the overall impact on annual energy production is insignificant.
This paper presents a data-driven reduced-order model that accurately predicts the nonlinear evolution of the full flow field in transonic buffet by identifying an attracting two-dimensional invariant manifold, requiring only a single training trajectory for effective reconstruction of the flow state.
This paper investigates the dynamics of Worthington jets produced by sphere impacts without cavity formation, identifying three distinct pinch-off modes driven by Rayleigh–Plateau instability and deriving a new universal scaling law for maximum jet height based on momentum and energy conservation.
This study experimentally demonstrates that extreme energy transfer events in turbulent flow are characterized by distinct vorticity-strain alignment patterns, where downscale transfers favor sheet-like geometries and strain-self-amplification, while upscale transfers exhibit a preference for vortex-compression.
This paper experimentally investigates how vertical harmonic excitation induces parametric sloshing in a horizontally oriented cylindrical tank, using an Augmented-state Extended Kalman Filter to provide real-time identification of the resulting rapid increases in heat and mass transfer and the subsequent thermal destratification.
Using a hybrid RANS/LES approach, this study characterizes the three-dimensional evolution of stall cells over an airfoil, revealing how spanwise separation variations and Crow-type instabilities between vortex tubes drive complex vorticity dynamics and a previously unreported linear rotation of spanwise velocity structures.
This paper develops a first-principles analytical model that explains the formation and saturation of spanwise-periodic stall cells by treating them as a Crow-type instability arising from the interaction between counter-rotating vortex tubes.
This paper presents a second-order accurate, fixed-grid sharp-interface numerical method to solve the three-phase Stefan problem in spherical coordinates, demonstrating that kinetic energy terms significantly influence the phase change behavior of nanoparticles compared to larger particles.
This study utilizes large-scale 3T vertical Magnetic Resonance Imaging (MRI) and Computational Fluid Dynamics (CFD) to characterize and validate 3D liquid flow fields within additively manufactured TPMS structures, revealing that Schwarz-Diamond geometries significantly enhance lateral mixing compared to Gyroid structures.