Quasi-steady aerodynamics predicts the dynamics of flapping locomotionThe propulsion of a flapping wing or foil is emblematic of bird flight and fish swimming. Previous studies have identified hallmarks of the propulsive dynamics that have been attributed to unsteady…Olivia Pomerenk, Leif Ristroph·Aug 27, 2025SaveLearn
First observation of the Josephson-Anderson relation in experiments on hydrodynamic dragWe verify a recent prediction (Eq. 3.50 in G. L. Eyink, Phys. Rev. X 11, 031054 (2021)) for the drag on an object moving through a fluid. In this prediction the velocity field is decomposed into a…Nicola Savelli, Ali R Khojasteh, Abel-John Buchner et al.·Aug 27, 2025SaveLearn
Laboratory observation of internal gravity wave turbulence in a three-dimensional, large-scale facilityThe search for solutions to the theory of weakly non-linear internal gravity wave turbulence is an active research topic. It is notably stimulated by the fact that this regime could drive fine-scale…Nicolas Lanchon, Samuel Boury, Pierre-Philippe Cortet·Aug 27, 2025SaveLearn
Generalisation of the Total Linearisation Method to Three-dimensional Free-Surface FlowsAn iterative Finite Element method predicated on a linearisation of the weak form around a reference configuration is derived for general, three-dimensional, free-surface flows, including systems…Tyler Benkley, Simone Deparis, Paolo Ricci et al.·Aug 27, 2025SaveLearn
On the generation of free-surface waves by instabilities in quadratic shear flowsThis paper investigates the generation of free-surface waves in a liquid layer driven by linear instabilities in Couette-Poiseuille (quadratic) shear flows. The base velocity profiles are…Harishankar Muppirala, Ramana Patibandla, Anubhab Roy·Aug 27, 2025SaveLearn
A microfluidic band-pass filter for flexible fiber separationThe control of particle trajectories in structured microfluidic environments has significantly advanced sorting technologies, most notably through deterministic lateral displacement (DLD). While…Li Zhibo, Bielinski Clément, Lindner Anke et al.·Aug 26, 2025SaveLearn
Wake dynamics of finite-aspect-ratio rotating circular cylinders at low Reynolds numberWe perform direct numerical simulations of flows over finite-aspect-ratio rotating circular cylinders at a Reynolds number of 150 over a range of aspect ratios (AR=2-12) and rotation rates…Kai Zhang, Yong Cao, Hanfeng Wang et al.·Aug 26, 2025SaveLearn
Experimental investigation of turbulence and turbulent thermal diffusion in strongly inhomogeneous and anisotropic forced convectionWe investigate properties of turbulence and turbulent transport of non-inertial particles described in terms of turbulent thermal diffusion in strongly inhomogeneous and anisotropic convection forced…E. Zarbib, E. Elmakies, O. Shildkrot et al.·Aug 26, 2025SaveLearn
Data-Driven Discovery and Formulation Refines the Quasi-Steady Model of Flapping-Wing AerodynamicsInsects control unsteady aerodynamic forces on flapping wings to navigate complex environments. While understanding these forces is vital for biology, physics, and engineering, existing evaluation…Yu Kamimizu, Hao Liu, Toshiyuki Nakata·Aug 26, 2025SaveLearn
An Experimental Framework to Study Turbulence Induced Particle MobilizationAn experimental framework was developed to study the initiation of particle mobilization in a laboratory setting. Large and heavy particles mobilized by a turbulent, gaseous carrier-phase were…Vaishak Thiruvenkitam, Robert H Bryan, Zheng Zhang et al.·Aug 25, 2025SaveLearn
Monte Carlo simulations of 2D flat-sheet membrane filters for constant-pressure water purificationMembrane filtration is widely used in water treatment to remove foulants from contaminated water. Foulant build-up on the membrane occludes the area open for fluid flow, which impairs the efficiency…Abigail Rose Drumm, Francesca Bernardi·Aug 25, 2025SaveLearn
Diffusioosmotic corner flowsWe study flows generated within a two-dimensional corner by the chemical activity of the confining boundaries. Catalytic reactions at the surfaces induce diffusioosmotic motion of the viscous fluid…Dobromir Nowak, Maciej Lisicki·Aug 25, 2025SaveLearn
Uncertain data assimilation for urban wind flow simulations with OpenLB-UQAccurate prediction of urban wind flow is essential for urban planning, pedestrian safety, and environmental management. Yet, it remains challenging due to uncertain boundary conditions and the high…Mingliang Zhong, Dennis Teutscher, Adrian Kummerländer et al.·Aug 25, 2025SaveLearn
Emergence of vorticity and viscous stress in finite-scale quantum hydrodynamicsThe Madelung equations offer a hydrodynamic description of quantum systems, from single particles to quantum fluids. In this formulation, the probability density is mapped onto the fluid density and…Christopher Triola·Aug 25, 2025SaveLearn
(3+1)-dimensional compressible fluid as a (4+1)-dimensional Chern-Simons systemA fluid described by an Abelian Chern-Simons action principle in 4+1 dimensions is considered. Letting 3+1 dimensions correspond to the usual space and time, and assuming the fields to be independent…Miguel D. Bustamante, Laura Andrianopoli, Mario Trigiante et al.·Aug 25, 2025SaveLearn
Solute dispersion in axially strained tube flows: Large-time asymptotics and Ornstein-Uhlenbeck Gaussian profilesThe dispersion of a passive scalar in an axially strained flow in a slender tube is studied, with particular focus on large-time asymptotics following the approach…Prabakaran Rajamanickam·Aug 25, 2025SaveLearn
Deterioration of water evaporation by impurity accumulation at the liquid-vapor interface during nucleate boilingThe interfacial resistance to evaporation, in particular for the case of water, is a longstanding issue. The previous data on its main characterizing parameter, the accommodation coefficient,…Corentin Le Houedec, Cassiano Tecchio, Boštjan Zajec et al.·Aug 25, 2025SaveLearn
Bursting of columnar structures in forced rotating turbulenceIn this study, we report intermittent bursting of cyclonic columnar structures in direct numerical simulations of forced rotating turbulence in a three-dimensional (3D) periodic box. Columnar…Arupjyoti Das, Manohar Sharma, Avishek Ranjan et al.·Aug 25, 2025SaveLearn
Magnetic reversals in a geodynamo model with a stably-stratified layerWe study the process of magnetic reversals in the presence of a stably-stratified layer below the core-mantle boundary using direct numerical simulations of the incompressible magnetohydrodynamics…Nicolás Pablo Müller, Christophe Gissinger, François Pétrélis·Aug 25, 2025SaveLearn
Enhancing DSMC simulations of rarefied gas mixtures using a fast-converging and asymptotic-preserving schemeThe numerical simulation of rarefied gas mixture dynamics with disparate masses using the direct simulation Monte Carlo (DSMC) method is slow, primarily because the time step is constrained by that…Liyan Luo, Jianan Zeng, Yanbin Zhang et al.·Aug 25, 2025SaveLearn
Open-source BOS tomography dataset of high-speed flow over a flight bodyWe present an open-source background-oriented schlieren dataset with 70 views of high-speed flow over a flight body. Sample analyses are performed using a neural-implicit reconstruction technique…Joseph P. Molnar, Amit K. Singh, Christopher J. Clifford et al.·Aug 23, 2025SaveLearn
Impact of boiling liquid droplets: Vapor entrapment suppressionThere hardly is a fluid mechanics phenomenon attracting more attention than the impact of a droplet, due to its undeniable beauty, many applications and the numerous challenges it poses. One of the…Bernardo Palacios-Muñiz, Edgar Ortega-Roano, Yee Li et al.·Aug 23, 2025SaveLearn
An improved lattice Boltzmann method with a novel conservative boundary scheme for viscoelastic fluid flowsThe high Weissenberg number problem has been a persistent challenge in the numerical simulation of viscoelastic fluid flows. This paper presents an improved lattice Boltzmann method for solving…Yuan Yu, Siwei Chen, Lei Wang et al.·Aug 23, 2025SaveLearn
Synchronisation in two-dimensional damped-driven Navier-Stokes turbulence: insights from data assimilation and Lyapunov analysisIn Navier--Stokes (NS) turbulence, large-scale turbulent flows inevitably determine small-scale flows. Previous studies using data assimilation with the three-dimensional NS equations indicate that…Masanobu Inubushi, Colm-cille P. Caulfield·Aug 23, 2025SaveLearn
The compressible Neural Particle Method for Simulating Compressible Viscous Fluid FlowsParticle methods play an important role in computational fluid dynamics, but they are among the most difficult to implement and solve. The most common method is smoothed particle hydrodynamics, which…Masato Shibukawa, Naoya Ozaki, Maximilien Berthet·Aug 23, 2025SaveLearn