Two-way coupling of gravity waves and wind farm wakes: a reduced-order boundary-layer modelThis paper develops a reduced-order numerical framework for modelling the two-way coupling between gravity waves and turbulent wakes in large-scale wind farms. Starting with the non-hydrostatic…Hossein A. Kafiabad, Majid Bastankhah·May 28, 2026SaveLearn
Active phase-space topology unifies depletion and alignment in bacterial flowsTransport at small scales is classically understood within an equilibrium framework, where dispersion theory successfully describes shear-enhanced diffusion for passive particles in the continuum…Mingyang Guan, Bowen Ling, Enhao Liu et al.·May 28, 2026SaveLearn
Jet coronation: Coexistence of compressible and incompressible dynamicsThis paper is associated with a poster winner of a 2025 American Physical Society's Division of Fluid Dynamics (DFD) Gallery of Fluid Motion Award for work presented at the DFD Gallery of Fluid…H. Watanabe, K. Hashimoto, W. K. A. Worby et al.·May 28, 2026SaveLearn
Tail observability and fourth-order closure recovery in physics-informed neural networks for Bhatnagar-Gross-Krook normal shocksClosure-level accuracy in neural kinetic shock solvers is not guaranteed by accurate density, velocity and temperature profiles, because the relevant observables are velocity-weighted projections of…Ehsan Roohi·May 28, 2026SaveLearn
Self-focusing of helicity drives finite-time singularities in inviscid flowsThis paper deals with the longstanding quest of the possible existence of finite-time singularities in the equations governing the dynamics of inviscid fluids, namely, Euler equations. Here, two…Mokhtar Adda-Bedia, Sergio Rica·May 28, 2026SaveLearn
Effects of preferential concentration on the combustion of iron particles -- A numerical study with homogeneous isotropic turbulenceIron particles, with their non-volatile combustion mode, remain in the dispersed phase throughout the combustion process, causing the flow in a typical iron powder combustor to be particle-laden and…Shyam Hemamalini, Bénédicte Cuenot, XiaoCheng Mi·May 28, 2026SaveLearn
Predicting liquid properties and behavior via droplet pinch-off and machine learningHere we demonstrate that the time-evolving interface observed during droplet formation, and consequently the resulting morphology nearing pinch-off, encode sufficient physical information for…Jingtao Wang, Qiwei Chen, C Ricardo Constante-Amores et al.·May 28, 2026SaveLearn
On the limiting geometry of unsteady breaking waves subject to co-flowing wind: spectrally-informed versus locally-measured steepnessWave steepness is a key geometric variable for describing breaking occurrence and its consequences, including energy dissipation and air entrainment. Using three laboratory campaigns under varying…Rui Cao, Enrique M. Padilla, Xu Chen et al.·May 27, 2026SaveLearn
An Architecture-Agnostic High-Order Discontinuous Galerkin Framework for Compressible FlowsWith the recent proliferation of heterogeneous, GPU-accelerated supercomputers, high-order computational fluid dynamics (CFD) simulations of complex, turbulent flows are more accessible than ever. To…Spencer Starr, Yannik Feldner, Patrick Kopper et al.·May 27, 2026SaveLearn
Parametric Subharmonic Instability in the Ocean Bottom Boundary LayerInternal waves with frequency larger than twice the local minimum allowable wave frequency can be susceptible to parametric subharmonic instability (PSI). This instability draws energy from the wave…Logan Knudsen, Jacob Wenegrat, James Hilditch et al.·May 27, 2026SaveLearn
Bow-shock instability in entry, descent, and landing vehicles under high-enthalpy conditionsLaminar--turbulent transition remains a major uncertainty in the aerothermal design of entry, descent, and landing (EDL) vehicles. We show that, under high-enthalpy Mars-entry conditions, the…Adrián Antón-Álvarez, Adrián Lozano-Durán·May 27, 2026SaveLearn
Peristaltic pumping in short annular geometries: An experimental approach for studying Glymphatic flowPeristaltic pumping is hypothesized to drive fluid transport in several physiological systems, including cerebrospinal fluid flow through cerebral perivascular spaces (PVSs). Cerebral PVSs are unique…Shahaf Ella Salach, Ron Shnapp·May 27, 2026SaveLearn
Liquid-fueled Oblique Detonation Stabilized by a Transverse JetThe role of a transverse liquid n-heptane jet in initiating and stabilizing liquid n-heptane oblique detonation waves (ODWs) in a confined model combustor was computationally investigated in the…Wenhao Wang, Zongmin Hu, Peng Zhang·May 27, 2026SaveLearn
Reduced-order modelling of parametrized unsteady Navier-Stokes equations and application to flow around cylinders with periodic changing boundary conditionsComputational fluid dynamics (CFD) simulations play an important role in engineering science and applications, however, it is not applicable for problems requiring a large number of repeated…Shan Ding, Yongfu Tian, Rui Yang·May 27, 2026SaveLearn
Stochastic Lorenz dynamics and wind reversals in Rayleigh-Bénard ConvectionThe Lorenz equations [1] are a severe Galerkin-truncation of the Oberbeck-Boussinesq (OB) equations describing Rayleigh-Bénard convection (RBC). Here we examine the mathematical connections between…Yanni Bills, J. S. Wettlaufer·May 27, 2026SaveLearn
Sparse-Supervised Hybrid Parameterized Physics-Informed Neural Networks for Incompressible Flows Across Reynolds NumbersPhysics-informed neural networks (PINNs) provide a mesh-free framework for solving partial differential equations by embedding governing physics into neural-network training. Recent studies have…A. Jangir, R. Clements, R. Goyal et al.·May 27, 2026SaveLearn
Long-lived versus nocturnal stable atmospheric boundary layers: DNS characterisation, similarity theory, and regime classificationThe stable atmospheric boundary layer (SABL) is broadly classified into two subtypes: the nocturnal SABL, driven primarily by surface cooling, and the long-lived SABL, in which ambient stratification…K. Chand, Cheng-Nian Xiao, Inanc Senocak·May 27, 2026SaveLearn
Full-field prediction for engineering-scale three-dimensional aircraft with multigrid-hierarchical learningHigh-fidelity computational fluid dynamics is essential for aerospace design, but engineering-scale simulations of practical three-dimensional aircraft remain computationally expensive.…Yunfei Liu, Hao Wang, Yuhang Qi et al.·May 26, 2026SaveLearn
Polymer extension at stagnation points governs flow thickening of polymer solutions in ordered porous mediaPolymer solutions exhibit anomalous flow thickening -- marked by an abrupt increase in the macroscopic flow resistance -- above a threshold flow rate in a porous medium, but not in bulk solution.…Emily Y. Chen, Simon J. Haward, Amy Q. Shen et al.·May 26, 2026SaveLearn
CFDTwin: An open-source GUI and Python toolkit for POD-NN surrogate modeling of ANSYS Fluent simulationsHigh-fidelity computational fluid dynamics (CFD) is widely used for thermal-fluid design, but repeated CFD solves remain expensive for design optimization, uncertainty analysis, and digital-twin…Daniel Curl, Han Hu·May 26, 2026SaveLearn
Direct Numerical Simulation of Vertical-Axis Wind Turbine Near-Wake DynamicsGeometrically-resolved Direct Numerical Simulations of vertical-axis wind turbines are presented. Simulations were performed using the spectral/hp element method framework Nektar++ with a moving…Harry Dunn, Mohsen Lahooti·May 26, 2026SaveLearn
A hybrid Volume of Fluid Phase-Field method for Direct Numerical Simulations of soluble surfactant-laden interfacial flowsWe present a hybrid Volume-of-Fluid (VoF) Phase-Field method for general soluble surfactant-laden interfacial flows. The scheme retains the VoF method for interface tracking and momentum solution,…Ilies Haouche, Benjamin Reichert, Michaël Baudoin et al.·May 26, 2026SaveLearn
Quantifying the liquid flow between a soap film and a vertical meniscusFluid exchange between a soap film and its bounding menisci governs film drainage and stability, with direct implications for the lifetime of surface bubbles and liquid foams. Despite recent…Alexandre Vigna-Brummer, Simon Cox, Médéric Argentina et al.·May 26, 2026SaveLearn
Direct numerical simulation of particle-laden flow in a linear compressor cascade: Unsteady boundary-layer effects on blade erosionWe perform point-particle direct numerical simulations (PP-DNS) of particle-laden flow through a linear compressor cascade subjected to synthetic freestream turbulence. Monodisperse particles are…Taiyang Wang, Yaomin Zhao·May 26, 2026SaveLearn
Lattice Boltzmann Methods with Anisotropic Equilibrium DistributionsLattice Boltzmann methods are usually derived under the assumption of isotropy. In this work, we present a derivation of a Lattice Boltzmann method for anisotropic fluid flow. Starting from an…Benjamin Kellers, Julius Weinmiller, Arnulf Latz et al.·May 26, 2026SaveLearn