1229 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 presents the first systematic investigation of individual water droplet dynamics in airtanker firefighting, revealing that release height and relative humidity are the dominant factors governing evaporation and transport, with only droplets between 150 μm and 3 mm in radius successfully reaching the ground.
This paper proposes a multi-branch shell model with a hierarchically organized geometry that successfully reproduces the correct thermal spectra and numerically demonstrates the emergence of the dual energy-enstrophy cascades characteristic of two-dimensional turbulence, overcoming a key limitation of classical shell models.
This paper derives and numerically verifies exact scaling laws for isotropic binary fluid turbulence, extending classical Kolmogorov results to the Cahn-Hilliard-Navier-Stokes framework by incorporating both bulk flow and interfacial dynamics.
This paper establishes fundamental quantum lower bounds demonstrating that, in the worst case, quantum computers cannot significantly outperform classical simulations for fluid dynamics, specifically requiring copies of the initial state for the Korteweg-de Vries equation and copies for the incompressible Euler equations.
This paper reviews the Hamiltonian formulation and the cubic Zakharov equation for modeling deep water waves, exploring their applications in understanding deterministic waves, dispersion corrections, and energy exchange among modes.
This paper investigates the modulational instability of broad-banded waves under uniform and non-uniform damping, such as that caused by sea-ice, by combining analytical dynamical systems techniques with numerical simulations of the spatial Zakharov equation to reveal how damping influences wave envelope evolution and spectral broadening.
This paper investigates the nonlinear breakup dynamics of an active chiral fluid strip, demonstrating through analytical slender body theory and numerical simulations that its thickness vanishes as a power law in finite time, with results showing strong agreement with experimental observations.
This paper presents an exact Eulerian framework for computing the topological entropy of stationary three-dimensional turbulence using only local strain-rate eigenvalue distributions and decorrelation times obtainable from a single fixed probe, thereby eliminating the need for challenging Lagrangian particle tracking.
This paper investigates third-order deep-water wave-induced drift using a reduced Hamiltonian formulation, revealing that while classical Stokes drift slightly misestimates particle motion, incorporating difference harmonic terms significantly improves agreement with nonlinear trajectory calculations across various sea states.
This paper investigates shear-driven wave generation in a two-fluid system with an exponential velocity profile, revealing a novel transition from Kelvin-Helmholtz to Holmboe and finally to Miles critical layer instabilities as the density ratio decreases, a finding validated by both linear theory and nonlinear simulations that demonstrate the first unified observation of all three canonical instabilities within a single background state.