Flow morphology and patterns in porous media convection: A persistent homology analysisConvective mixing in porous media is crucial in both geophysical and industrial fields, spanning applications ranging from carbon dioxide sequestration to geothermal energy extraction. Key processes…Marco De Paoli, Sergio Pirozzoli, Catherin Neena Lalu et al.·Jun 15, 2026SaveLearn
Rheology of Two-Dimensional Dilute EmulsionsThe single droplet under shear is a foundational problem in fluid mechanics. In computational fluid dynamics, the two-dimensional (2D) formulation offers advantages in both computational efficiency…Thomas Appleford, Vatsal Sanjay, Maziyar Jalaal·Jun 15, 2026SaveLearn
Odd wave turbulenceWave turbulence describes the statistical dynamics of weakly interacting waves in out-of-equilibrium systems. These systems are out of equilibrium because forcing and dissipation occur at different…Xander M. de Wit, Léo Touzo, Sébastien Galtier et al.·Jun 15, 2026SaveLearn
Quasi-material finite-time rotationally coherent sets in photospheric supergranulationSupergranular flows organize transport in the solar photosphere over spatial and temporal scales much larger than granulation. While coherent vortical motions have been identified using objective…Francisco J. Beron-Vera·Jun 14, 2026SaveLearn
Quantum-enhanced Markov chain Monte Carlo sampling to model Lagrangian tracer dispersion in turbulent boundary layerWe present a quantum-enhanced Markov chain Monte Carlo (QE-MCMC) method to sample turbulent acceleration vectors from a joint target distribution that depends on all three components and height to…Fabian Schindler, Jörg Schumacher·Jun 14, 2026SaveLearn
Effect of Biofouling on Microplastic Transport in a 3-D Global Eulerian ModelBiofouling -- the occupation of microplastic (MP) surfaces by marine microbes -- alters particles' buoyancy and transport, yet its effect on the global distribution of MPs has not been well…Zih-En Tseng, Yue Wu, Chris Ruf et al.·Jun 14, 2026SaveLearn
Coherent structures modeling in stenotic transitional flow via resolvent analysisThis study investigates the capability of linear modeling to characterize the transitional dynamics in an axisymmetric stenosis and attempts a low-order representation of the turbulent stresses. The…Alexandre Villié, Simon Demange, Kilian Oberleithner·Jun 14, 2026SaveLearn
Quantum vortex in a fluid flow: negative effective mass and a novel mechanism for turbulence formationWe explore the movement of a thin, circular quantum vortex filament within an infinite cylindrical pipe. The fluid surrounding the vortex ring moves through the pipe at a non-zero velocity denoted by…S. V. Talalov·Jun 14, 2026SaveLearn
Event-level compression--chemistry coupling in a supersonic reacting temporal mixing layerCompression and heat release interact intermittently in high-speed reacting shear layers, and whole-field averages can obscure their coupling. We examine this coupling in a supersonic reacting…Sriram P. Kalathoor, Joseph C. Oefelein·Jun 14, 2026SaveLearn
Near-Field Combustion-Noise Source Dynamics in a Reacting Supersonic Temporal Mixing LayerCompressibility and chemical reactions in reacting flows provide source mechanisms for pressure fluctuations whose signatures depend on the flow, source distribution, and acoustic environment.…Sriram P. Kalathoor, Joseph C. Oefelein·Jun 14, 2026SaveLearn
The Impact of Turbulence on Hydroacoustic WavesTraditional research suggests that when sound waves pass through a turbulent region, scattering occurs, causing the incident wave to attenuate and wave parameters to fluctuate. In contrast, our…Kai-Xin Hu, Yue-Jin Hu·Jun 14, 2026SaveLearn
Spectral perturbation theory for wall-admittance effects on compressible boundary-layer instabilityThin wall treatments modify high-speed boundary-layer instability through the pressure they admit or absorb at the wall. This paper develops a unified admittance formulation for such effects on…Jiguang Yu, Louis Shuo Wang, Ye Liang·Jun 13, 2026SaveLearn
The Extended KdV Equation: Augmented Lagrangian and Variational Solitary Waves with Applications to Dispersive HydrodynamicsIn this work, we extend the method of averaged Lagrangian to the study of the general second-order (non-conservative) extended Korteweg--de Vries equation, known as the eKdV equation. Building on the…Saleh Baqer, Hamid Said·Jun 13, 2026SaveLearn
Sea Surface Roughness Dependence on Ocean Wave Parameters through Large Eddy Simulation with Local Subfilter Wave DragCharacterizing the Marine Atmospheric Boundary Layer (MABL) requires understanding the coupling between ocean waves and the turbulent atmospheric boundary layer above them. This coupling controls…Hannah Hata Williams, Aditya K. Aiyer, Luc Deike et al.·Jun 13, 2026SaveLearn
Filtering effects on entropy transport and entropy-production structure in a supersonic reacting shear layerSpatial filtering is examined in time-resolved mid-plane DNS fields of a supersonic reacting shear layer using a sequence of box filters. The analysis tracks a nondimensional entropy-like scalar…Sriram P. Kalathoor, Joseph C. Oefelein·Jun 13, 2026SaveLearn
ShipNet: A Geometric Deep Learning Surrogate for Real-Time Ship HydrodynamicsAccurate prediction of hydrodynamic performance is central to ship design, yet high-fidelity computational fluid dynamics remains prohibitively expensive for large-scale parametric exploration. This…Kirsten Odendaal, George Drakoulas·Jun 13, 2026SaveLearn
Effects of permeability on hindered settling of porous particlesWe investigate the settling behavior of suspensions of highly porous and permeable particles in the viscous regime using particle-resolved direct numerical simulations (DNS). The simulations employ a…Alexander Metelkin, Bernhard Vowinckel·Jun 13, 2026SaveLearn
Vorticity-dynamical analysis of Richtmyer-Meshkov instability based on orbital-spin vorticity decompositionThe present study provides a detailed vorticity-dynamical analysis of shock-driven hydrodynamic physics in canonical Richtmyer-Meshkov instability (RMI) flows: shock interaction with a single-mode…Xi Chen, Tao Chen, Tianshu Liu·Jun 13, 2026SaveLearn
Impulsive Hydrodynamic Exfoliation into Monolayer Graphene and Nanofragments by Transonic Flow FocusingWe propose using Transonic Flow Focusing (TFF) to produce 2D and 0D nanomaterials. This technique focuses liquid suspensions into high-speed micrometer-scale jets, combining extremely high shear and…A. Ponce-Torres, A. Rubio-González, J. M. Montanero et al.·Jun 12, 2026SaveLearn
Multiscale Hypersonic Boundary Layer Reconstruction via Spectral Binning and Subdomain-wise Conditional DiffusionWe propose a multiscale probabilistic reconstruction framework for hypersonic Couette flow, where near-wall states are inferred from limited top-wall observations using conditional diffusion model.…Hojin Kim, Dibyajyoti Chakraborty, Takahiko Toki et al.·Jun 12, 2026SaveLearn
Learning turbulent transport via Mori--Zwanzig graph neural networksWe introduce a Mori--Zwanzig graph neural network (MZ--GNN) framework for learning reduced-order Lagrangian dynamics of tracer particles in homogeneous isotropic turbulence. The model represents…André Freitas, Xander M. de Wit, Alessandro Gabbana et al.·Jun 12, 2026SaveLearn
Flow behind the Imperial Front Wing: comparison of results from volumetric PTV experiment and Nektar++ simulationsHigh-fidelity simulations are increasingly adopted, due to advances in computational power and methods such as Direct Numerical Simulation (DNS) and hybrid Large-Eddy Simulation (LES). These…Isabella Fumarola, Alexandra I. Liosi, Parv Khurana et al.·Jun 12, 2026SaveLearn
Surface-tension calibration for N-phase mixturesDiffuse-interface (phase-field) models are a widely used framework for interfacial dynamics in complex fluids, in which sharp interfaces are replaced by smooth transition layers and interfacial…M. F. P. ten Eikelder, A. Brunk·Jun 12, 2026SaveLearn
Impact of alignments between fluctuating and mean density gradients on the scale-dependent energetics of stably stratified turbulenceNon-trivial alignments between vorticity and the strain-rate tensor play an important role in the evolution of velocity gradients and the energy cascade in isotropic turbulence. Here we explore how…Soumak Bhattacharjee, Stephen M. de Bruyn Kops, Andrew D. Bragg·Jun 12, 2026SaveLearn
An Implicit Discrete Adjoint Gas-Kinetic Scheme for Aerodynamic Shape Optimization across all Mach Number RegimesThe gas-kinetic scheme (GKS) integrates the characteristics of flux difference scheme (FDS) and flux vector splitting (FVS) scheme, providing high accuracy in smooth regions and strong robustness…Hangkong Wu, Yuze Zhu, Yajun Zhu et al.·Jun 12, 2026SaveLearn