1274 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.
This study demonstrates that while surface particle dispersion can quantitatively represent subsurface transport within the upper quarter of a shallow fluid layer, its reliability for deeper layers depends on the flow's Reynolds number and aspect ratio, requiring knowledge of vertical velocity profiles to accurately infer deeper horizontal transport.
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 proposes a computationally efficient method to estimate boiling flow parameters from measured aero-optic phase aberration data, finding that while the method accurately fits temporal statistics, it fails to capture the complex spatial statistics of the turbulent boundary layer.
This paper introduces a novel numerical method that couples a nonlinear simulation region with a linear approximation region to accurately simulate front propagation in nonautonomous Fisher-KPP equations on infinite domains, enabling precise analysis of pulled and pushed front dynamics under time-dependent parameters.
This study introduces **triboFoam**, an open-source OpenFOAM-based solver, to demonstrate that increasing the Reynolds number in turbulent channel flows enhances both near-wall particle concentration and triboelectric charging rates, ultimately providing an empirical correlation to predict these charging behaviors.
This paper derives and establishes the mathematical well-posedness of asymptotic interface models—specifically nonlocal evolution equations for weakly nonlinear regimes and lubrication-type equations for long-wave regimes—to describe the fluid-solid interaction of Darcy flow beneath an elastic membrane.
This paper proposes a theoretical framework that treats the transition from laminar to turbulent flow as a topological phase transition by modeling the fractional order of the dissipation operator as a dynamic field that adapts between local viscosity and non-local anomalous dissipation.
This paper proposes a robust, unconditionally stable, and volume-preserving variational front-tracking finite element method for simulating multiphase flows with complex topological features like triple junctions and boundary contacts.
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.