Effects of surface viscosities on the motion of a droplet enclosing a translating particleWe investigate the influence of interfacial rheology on the motion of a compound particle consisting of a viscous droplet enclosing a translating rigid particle in the Stokes flow regime. The droplet…Ali Gürbüz, Hervé Nganguia, Guangpu Zhu et al.·May 2, 2026SaveLearn
An ALE-Consistent Graph Neural Operator-Transformer Framework for Fluid-Structure InteractionWe propose an arbitrary Lagrangian-Eulerian (ALE)-consistent machine learning framework for long-term fluid-structure interaction (FSI) prediction on deforming unstructured meshes. Specifically, the…Shihang Zhao, Martín Saravia, Haokui Jiang et al.·May 1, 2026SaveLearn
Dynamics of finger-type convection in double-diffusive instabilityFinger-type convection in double-diffusive instability (DDI) controls mixing and scalar transport in many stratified flows, yet a quantitative, finger-resolved description of the transient growth,…Mohammad Mohaghar, Anirban Bhattacharjee, Suhas S. Jain et al.·May 1, 2026SaveLearn
The rapidly advancing contact line Part-1: Navier slip and microscale inertial effectsCurtain coating, in which a moving plate is coated by a falling liquid sheet, sustains advancing contact lines at large capillary numbers Ca ~ O(1), based on plate speed. Steady states exist up to a…Yash Kulkarni, Tomas Fullana, Stephane Popinet et al.·May 1, 2026SaveLearn
Frequency spreading of internal wave energy by balanced flows in two dimensionsInteractions between inertia-gravity waves and balanced flows lead to a spectral diffusion of wave action. Prior work has established that this diffusion is weak across constant frequency surfaces in…Nicholas DeFilippis, Oliver Bühler, K. Shafer Smith·Apr 30, 2026SaveLearn
Curvature-corrected sloshing spectra for cylindrical tanks in microgravityIn microgravity, a partially filled cylindrical tank is generally bounded by a curved equilibrium meniscus rather than by an almost flat free surface. This modifies both the bulk liquid inertia and…Gianni Cassoni·Apr 30, 2026SaveLearn
Mixture-aware closure of the N-phase Navier--Stokes--Cahn--Hilliard mixture modelDiffuse-interface (phase-field) models are widely used to describe multiphase mixtures and their interfacial dynamics. In multiphase settings, however, the constitutive closure should remain…M. F. P. ten Eikelder, A. Brunk·Apr 30, 2026SaveLearn
Mixing and spreading of gravity currents in heterogeneous porous mediaWe analyze the mixing, migration and spreading of a gravity current in a heterogeneous porous medium using high-fidelity numerical simulations. Heterogeneity is represented by log-normal permeability…Albert Jiménez-Ramos, Juan J. Hidalgo·Apr 30, 2026SaveLearn
Cahn-Hilliard Phase Field modelling captures nanoscale contact line dynamics on high-friction surfacesIncorporating molecular-scale effects in the description of contact line motion is essential for accurately capturing all sources of energy dissipation in wetting dynamics. This holds particularly…Michele Pellegrino, Parvathy K. Kannan, Gustav Amberg et al.·Apr 30, 2026SaveLearn
To stall-cell or not to stall-cell: Variational data assimilation of 3D mean flow past a stalled airfoilThe full-field reconstruction of three-dimensional (3D) turbulent flows from sparse experimental measurements remains a significant challenge, particularly for flows exhibiting complex 3D flow…Uttam Cadambi Padmanaban, Craig Thompson, Bharathram Ganapathisubramani et al.·Apr 30, 2026SaveLearn
Asymmetric freezing of a sliding droplet on an inclined surfaceWe investigate the asymmetric freezing of a liquid droplet sliding on an inclined cold surface using numerical simulations based on the lubrication approximation. The combined effects of gravity,…Sivanandan Kavuri, George Karapetsas, Chander Shekhar Sharma et al.·Apr 30, 2026SaveLearn
Analytical modelling of wind-turbine wake turbulence in neutral atmospheric boundary layersSo-called engineering or analytical wind farm flow solvers typically build upon two submodels: one for the velocity deficit and one for the wake-added turbulence intensity. While velocity deficit…Frédéric Blondel, Erwan Jézéquel, Helen Schottenhamml et al.·Apr 30, 2026SaveLearn
Training of particle-turbulence sub-grid-scale closures with just particle dataIf sufficient training data are available, neural networks are attractive for representing missing physics in simulations, such as sub-grid scales in the coarse-mesh particle-turbulence system we…G. Saltar Rivera, L. Villafane, J. B. Freund·Apr 29, 2026SaveLearn
Hybrid Fourier Neural Operator-Lattice Boltzmann MethodWe propose an accelerated computational fluid dynamics framework based on a hybrid Fourier Neural Operator-Lattice Boltzmann Method (FNO-LBM) for steady and unsteady weakly compressible flows.…Alexandra Junk, Josef M. Winter, Meike Tütken et al.·Apr 29, 2026SaveLearn
Constitutive Modelling of Korteweg Fluids Using Liu's MethodThe paper studies constitutive modelling of Korteweg fluids. Thermodynamic consistency, i.e. compatibility with entropy balance law, is achieved using Liu's method of multipliers. Appropriate…Zagorka Matić, Srboljub Simić, Peter Ván·Apr 29, 2026SaveLearn
Conditional diffusion denoising probabilistic model for super-resolution of atmospheric boundary layer large eddy simulationClimate change necessitates rapid expansion of renewable energy, with wind energy offering a scalable and low-impact solution. However, accurate prediction of wind loads and power generation remains…Omar Sallam, Mirjam Fürth·Apr 29, 2026SaveLearn
Compartment Modelling of Multiphase Reactors using Unsupervised ClusteringDetailed Computational Fluid Dynamics (CFD) simulations are too computationally expensive for the real-time control and design optimization of multiphase flow reactors. To address these limitations,…Michael Mitterlindner, Maximilian Graber, Regina Kratzer et al.·Apr 29, 2026SaveLearn
Wave Vortices Around Oscillating Subwavelength Holes: Water-Wave ObservationWe consider a two-dimensional wave system containing a subwavelength hole, such as an aperture in an interface supporting surface electromagnetic or acoustic waves, or an island in a fluid surface…Junyi Ye, Zheyi Li, Alexey Y. Nikitin et al.·Apr 29, 2026SaveLearn
Large-eddy simulation nets (LESnets) based on physics-informed neural operator for wall-bounded turbulenceAccurate and efficient prediction of three-dimensional (3D) wall-bounded turbulent flows poses a significant challenge for machine learning methods, particularly in scenarios where flow field data…Sunan Zhao, Yunpeng Wang, Huiyu Yang et al.·Apr 29, 2026SaveLearn
A Provably Robust Multi-Jet Framework applied to Active Flow Control of an Airfoil in Weakly Compressible FlowReinforcement learning has by now become well established in finding excellent flow control strategies for a variety of scenarios. Existing literature has focused on using a simple two-jet solution…Rohan Kaushik, Anna Schwarz, Andrea Beck·Apr 29, 2026SaveLearn
A conservative low-order model for Boussinesq baroclinic frontsThe internal dynamics of baroclinic fronts are governed by a fundamental interplay: turbulent eddies systematically act to disrupt thermal wind balance, with baroclinic eddies flattening isopycnals…Nadav Yovel, Eyal Heifetz·Apr 29, 2026SaveLearn
A Hybrid Gas-Kinetic Scheme and Discrete Velocity Method for Continuum and Rarefied FlowsThe gas-kinetic scheme (GKS) provides high computational efficiency and accuracy for continuum flow simulations but is unable to reliably capture rarefaction effects. In contrast, although the…Hangkong Wu, Yuze Zhu, Yajun Zhu et al.·Apr 29, 2026SaveLearn
Impulse-driven capillary detachmentCapillary interfaces subjected to impulsive forcing arise in many natural and technological systems, yet the pathway by which rapid substrate motion is converted into droplet detachment remains…Dilip Kr. Maity, Sandip Dighe, Nilamani Sahoo et al.·Apr 29, 2026SaveLearn
Scaling in Supersonic Turbulence: Energy Spectra and Fluxes using High-Fidelity Direct Numerical SimulationsSupersonic turbulence is vital to astrophysical and high-speed engineering flows, yet its energy transfer mechanisms remain poorly understood. We present high-resolution (10243) direct numerical…Harshit Tiwari, Dhananjay Singh, Mahendra K. Verma et al.·Apr 29, 2026SaveLearn
Reduced-order modeling of a viscoelastic turbulent jet with hybrid machine learning modelsAdding flexible polymers to a Newtonian solvent confers complex properties to the resulting solution. The additional complexity substantially increases the computational cost of numerical…Christian Amor, Adrián Corrochano, Marco Edoardo Rosti et al.·Apr 29, 2026SaveLearn