Buoyancy-driven melt rate of a vertical ice surface in seawaterReliable estimates of the melt rate of tidewater glaciers require accurate knowledge of salt and heat fluxes at the near-vertical ice-ocean interface and such knowledge is currently lacking. In this…Ho Yin Ng, Emily S. C. Ching·Aug 1, 2026SaveLearn
Neural Differential Equations for Oscillatory Flows in Aeroelasticity Applied to Transonic BuffetSelf-excited aerodynamic flows arise across a broad range of systems and can drive nonlinear fluid-structure interactions and aeroelastic instabilities that are challenging and computationally…Michael Candon, Pier Marzocca, Earl Dowell·Aug 1, 2026SaveLearn
Elasto-hydrodynamics of droplet-pool-interactionsIn Newtonian fluids, impact of a droplet on a liquid pool births a cavity, crown, capillary waves, and Worthington jet. The corresponding hydrodynamic events for elastic or Boger fluids, however,…Md Sultan, Purbarun Dhar·Jul 31, 2026SaveLearn
Multiscale passive scalar turbulence in a compressed subspace via tensor trainsCapturing the multiscale statistics of turbulence in compressed form remains a central challenge for reduced-order modeling. We introduce a hybrid Tensor Train (TT) approach for a highly intermittent…Stefano Pisoni, Egor Tiunov, Chiara Calascibetta·Jul 31, 2026SaveLearn
Oscillatory shear flows and a new 2D self-sustaining processA new self-sustaining process (SSP) is identified in an oscillating spatially-homogeneous shear flow using a nonlinear Kelvin mode model. This SSP consists of energetic spanwise-invariant 1D…Theo A. Lewy, Rich R. Kerswell·Jul 31, 2026SaveLearn
Why a mid-depth stress-free boundary condition is incorrect for Ekman flowsWe show that the assumption of a stress-free boundary condition at a finite intermediate depth, namely, at the bottom of the Ekman layer, in the analysis of wind-driven ocean flows necessarily leads…Christian Puntini, Luigi Roberti·Jul 31, 2026SaveLearn
Nonlinear asymptotic bubble growth in single-mode spherical Rayleigh-Taylor instabilityWe present an analytical model for the nonlinear growth of a single-mode Rayleigh-Taylor instability (RTI) bubble in spherical geometry. The model captures the bubble growth along the polar axis,…De-Hua Zhang, Shi-Heng Wang, Ke-Jian Qian et al.·Jul 31, 2026SaveLearn
A global mass-preserving numerical method for low-Mach-number real-gas flows in closed systemsA mass-preserving low-Mach-number framework is proposed for closed-system real-fluid flows governed by general nonlinear equations of state. The formulation enforces consistency between the spatially…Sanath Kotturshettar, Gonçalo Alcobia, Pietro Carlo Boldini et al.·Jul 31, 2026SaveLearn
Coupled Rayleigh--Taylor and Faraday instabilities in vertically vibrated cylindrical containersInterfacial instabilities govern the mixing in confined multiphase flows. Yet, the two mechanisms that drive them are usually studied independently: the pressure-gradient-driven Rayleigh--Taylor (RT)…Tianyi Chu, Benjamin Wilfong, Timothy Koehler et al.·Jul 31, 2026SaveLearn
Kinematic Closure of Drop ImpactExisting models for droplet impact prescribe the spreading contact time and effective spreading velocity from asymptotic arguments, which prevents a self consistent prediction of the maximum…Mete Abbot, Daniel Bonn·Jul 31, 2026SaveLearn
Tethering and depth of submergence affect the swimming performance of undulatory robotsOver the past few decades, biomimetic robotic experiments have significantly advanced our understanding of undulatory swimming. Compared to animal experiments, robotic experiments offer repeatability…Alexandros Anastasiadis, Auke J. Ijspeert, Karen Mulleners·Jul 31, 2026SaveLearn
Trans-stenotic pressure drop estimation from PC-MRI and ultrasound imaging velocimetry using a modified Bernoulli equationAccurate non-invasive estimation of trans-stenotic pressure gradients remains a challenge. In clinical practice, pressure gradients are often estimated from velocity measurements using…Ali Amiri, Johan T. Padding, Selene Pirola et al.·Jul 31, 2026SaveLearn
Simultaneous free-surface profilometry and subsurface velocimetry with fringe projection and PIVThis work presents a novel combination of two well-established techniques: fringe projection profilometry (FPP) and particle image velocimetry (PIV). Despite seemingly conflicting requirements---FPP…Ali Semati, Adharsh Shankaran, Benjamin K. Smeltzer et al.·Jul 31, 2026SaveLearn
Compressible solved-volatility stochastic fluid thermodynamics: source-consistent energy, finite-correlation reservoirs, entropy admissibility and boundary conditionsA variable-density thermodynamic extension is developed for the solved-volatility stochastic-fluid formulation of arXiv:2607.25536. Source-inclusive stochastic transport separates mass, momentum and…Hsieh-Chen Tsai·Jul 30, 2026SaveLearn
Mesh Adaptation on Hybrid Unstructured Meshes for Immersed Boundary MethodsIn this work, we describe a new preprocessing tool for mesh adaptation on hybrid unstructured meshes with a target application on immersed boundary methods. The tool has as input an unstructured,…Jonatan Núñez-de la Rosa, Esteban Ferrer, Eusebio Valero·Jul 30, 2026SaveLearn
Modified Dynamic Mixed Subgrid-scale Models for Geophysical Flows: Forced Two-Dimensional and β-plane TurbulenceSubgrid-scale (SGS) models for large-eddy simulations (LES) of geophysical turbulence typically need to balance dissipative regularization with backscatter, the upscale transfer of energy from…Anantha Narayanan Suresh Babu, Akhil Sadam, Pierre F. J. Lermusiaux·Jul 30, 2026SaveLearn
Gaussian non relativistic spontaneously stochastic hydrodynamicsWe study the non-relativistic limit of Gaussian covariant hydrodynamics [1]. We argue that the condition of incompressibility provides additional symmetries matching relativistic hydrodynamics but…David Montenegro, Giorgio Torrieri·Jul 30, 2026SaveLearn
The intrinsic decomposition of vorticity dynamics on an arbitrarily moving and deforming boundaryBoundary vorticity dynamics provides a rigorous theoretical foundation for understanding vorticity creation at boundaries, vorticity-boundary interactions, as well as the rational design of effective…Tao Chen·Jul 30, 2026SaveLearn
Control of deterministic breakdown to turbulence of hypersonic boundary layer with spanwise non-uniform surface temperatureDirect Numerical Simulation (DNS) of a Mach 6 boundary layer over a flat plate is performed to assess the effect of spanwise non-uniform surface temperature on breakdown to turbulence under…L. Boscagli, G. Rigas, P. J. K. Bruce et al.·Jul 30, 2026SaveLearn
Wave interactions in a screeching jetWe use a series of global models to investigate the linear and nonlinear interactions between shock cells, Kelvin-Helmholtz waves, guided jet modes, and other fluctuations in a screeching jet. First,…Ali Farghadan, Jayson Beekman, Petronio Nogueira et al.·Jul 30, 2026SaveLearn
Caustics of finitely dense inertial particlesEstimating collision rates is of immense importance in particle-laden flows. An economical way of doing this is to directly identify incidences of caustics, or extreme clustering, by tracking…C. Rajarshi, Rama Govindarajan·Jul 30, 2026SaveLearn
Fast and slow surfactants in turbulence-driven bubble breakupWhen a large air cavity breaks in a turbulent flow, it goes through very large deformations and cascading events of new interface formation, including elongated filaments and bubbles over a wide…Zhan Wu, Tristan Aurégan, Luc Deike·Jul 30, 2026SaveLearn
Role of gravity on preferential clustering of microparticles in unsteady wake flowsDirect numerical simulations are carried out for particle-laden flow over the cylinder to investigate preferential clustering of particles in an unbounded vertical channel flow. The flow is examined…Siddhi Arya, Partha S. Goswami·Jul 29, 2026SaveLearn
Kinetic Linear Stability Theory for High-Speed Compressible Flows: A High Performance Computing FrameworkShock waves in high-speed compressible flows contain finite-thickness, high-gradient regions where the continuum assumption becomes questionable and translational non-equilibrium arises, including…Irmak Taylan Karpuzcu, Deborah Levin, Vassilis Theofilis·Jul 29, 2026SaveLearn
A sub-grid-scale model for polydisperse bubbly flows with heat and mass transferEnsemble-averaged models of polydisperse bubbly flows require statistics of the evolving bubble population. Prior quadrature-based moment formulations close bubble pressure with a polytropic relation…Anand Radhakrishnan, Spencer H. Bryngelson·Jul 29, 2026SaveLearn