Inverse Transfer and Coherence in Rotating Stratified Flow with Clouds and Phase TransitionsInverse energy transfer to large-scale coherent structures in idealized models of geophysical flows has been of interest for over four decades. Extensive knowledge exists regarding inverse transfer…Yeyu Zhang, Yingshuo Peng, Leslie M. Smith·Jul 9, 2026SaveLearn
Manifold-adapted radial basis functions for reduced-order modelling of chaotic flowsChaotic systems often evolve on a low-dimensional attractor whose geometry varies from one region to another. We propose a non-intrusive reduced-order model that reads this local geometry by…Miguel Pérez Cuadrado, Giorgio Maria Cavallazzi, Alfredo Pinelli·Jul 9, 2026SaveLearn
Hele-Shaw Flow With Pressure and Shear Rate Dependent ViscosityThis paper investigates the behaviour of a fluid characterized by a viscosity simultaneously depending on pressure and shear rate within a Hele-Shaw cell featuring a sharp corner geometry. The study…Benedetta Calusi, Liviu Iulian Palade·Jul 9, 2026SaveLearn
On the rectification of oscillatory flows by flexible leaflets in a confined geometryInspired by biological systems, extensive research has explored how fluid-structure interactions in compliant channels and confined geometries control fluid transport. While local nonlinearities can…Omar Abukabsha, Simon Gsell, Martin Brandenbourger·Jul 9, 2026SaveLearn
Trapping-loss transition via a saddle-node bifurcation in thermophoretic particle transport driven by a time-periodic vortexThe transport of inertial particles in unsteady flows is often governed by the competition between multiple migration mechanisms. We investigate the interplay between inertia-induced drift and…Srikumar Warrier·Jul 9, 2026SaveLearn
Physics-informed neural networks for shock capturing in inviscid flows around an airfoilPhysics-informed neural networks (PINNs) have shown remarkable prospects in solving forward and inverse problems involving partial differential equations (PDEs). However, PINNs still face challenges…Jiahao Song, Wenbo Cao, Weiwei Zhang·Jul 9, 2026SaveLearn
Dynamic masking for boundary-aware velocity reconstruction in volumetric particle tracking with moving solidsVolumetric particle tracking velocimetry (PTV) produces scattered Lagrangian tracks that must be reconstructed on an Eulerian grid before velocity gradients, pressure, or hydrodynamic loads can be…Jibu Tom Jose, Arieh Jacobson, Dhanush Vittal Shenoy et al.·Jul 9, 2026SaveLearn
Scale-Separated Collective Bubble Nucleation and DepartureNucleation is classically treated as a local process, yet whether coupling between neighboring sites governs activation and stability remains unexplored. Here we show bubble nucleation is…Rameez Iqbal, Gautier Rouaze, Gio Bellone et al.·Jul 9, 2026SaveLearn
Dissipative Vortex Binaries in Compact Fluid Domains with Geometric CorrectionsWe study a dissipative extension of vortex-binary motion in a doubly periodic fluid domain. The underlying conservative system admits an exact integrable reduction to a single complex relative…Aswathy K. R., Rickmoy Samanta·Jul 9, 2026SaveLearn
Water flow model on vegetated hillslopes with erosionThe water circulation in the Soil-Plant-Atmosphere continuum and particularly the soil erosion induced by water are problems of main concern in the new era of climate change. The present paper aims…Stelian Ion, Dorin Marinescu, Stefan-Gicu Cruceanu·Jul 9, 2026SaveLearn
Experimental evidence of Kelvin wave turbulence along a vortex coreWave turbulence is a regime of interacting nonlinear waves occurring in most physical systems. Kelvin waves are helical distortions that propagate along vortex filaments and are believed to play a…Jason Barckicke, Christophe Gissinger, Eric Falcon·Jul 8, 2026SaveLearn
A fully one-sided diffuse-interface immersed boundary method for wall-modeled large-eddy simulationDiffuse-interface immersed boundary methods (DIBMs) provide a simple and robust approach for simulating flows involving complex geometries. However, their inherent diffusion effect can contaminate…Qian Mao, Yoshiharu Tamaki, Song Zhao et al.·Jul 8, 2026SaveLearn
An improved fully one-sided diffuse-interface immersed boundary method with target-value reconstruction for compressible flowsAlthough one-sided spreading has been shown to improve the near-wall accuracy of diffuse-interface immersed boundary methods (DIBMs), the effect of its asymmetric kernel support on the effective…Qian Mao, Song Zhao, Pierre Boivin et al.·Jul 8, 2026SaveLearn
Three-dimensional global stability analysis of turbulent screeching jetsA three dimensional global stability analysis is performed to investigate the problem of screeching jets under turbulent conditions. The study employs an Unsteady Reynolds-Averaged Navier-Stokes…Alessandro Franchini, Nicolas Alferez, Jean-Christophe Robinet·Jul 8, 2026SaveLearn
Skin friction prediction for attached flows based on two-dimensional inviscid solutionsBoundary layer theory and its analytical methods for skin friction coefficients provide an important basis for aerodynamic analysis. However, classical analytical formulas are mostly limited to…Mingkun Xia, Shule Zhao, Weiwei Zhang·Jul 8, 2026SaveLearn
Interaction of vortex rings generated by two unsynchronised drop impactsA liquid drop falling into a deep pool can create a vortex ring at the right impact conditions. Such drop-formed vortex rings are of importance in nature and technology and the dynamics of rings…Anna A. L. Huttunen, Guilherme Moreira Bessa, Matilda Backholm·Jul 8, 2026SaveLearn
Elastic pseudoturbulence induced by low-Galilei settling spheresIn this Letter, we show how a suspension of light solid spheres settling through a polymer solution results in a chaotic and highly-intermittent state. By leveraging particle-resolved direct…Ludovico Fossà, Michele Macaluso, Luca Brandt et al.·Jul 8, 2026SaveLearn
Learning Turbulence Closures with Physics-Informed Neural Networks for the Rayleigh-Taylor Transition to TurbulenceReynolds-averaged Navier-Stokes (RANS) turbulence models are known to perform poorly in predicting the dynamics of Rayleigh-Taylor mixing when turbulence is not fully developed, particularly during…Paul Creusy, Benoît-Joseph Gréa, Antoine Briard et al.·Jul 8, 2026SaveLearn
Route survival and spectral modification of finite-depth salt-finger plume forests under imposed mean shearSalt-finger plume forests in a finite layer can differ in strength and in the route by which interfacial activity becomes vertically connected. We use direct three-dimensional simulations to test…Sriram P. Kalathoor·Jul 8, 2026SaveLearn
Physically consistent formulation for the bound vortex sheet strength in the Wagner modelUnsteady thin-airfoil theory (UTAT) coupled with discrete-vortex methods has been widely employed in reduced-order aerodynamic modeling. Due to the non-uniqueness of potential-flow solutions, the…George L. S. Torres, Ashok Gopalarathnam, Flávio D. Marques·Jul 8, 2026SaveLearn
Solver Exactness, Learned Flexibility: Equivariant Boundary-Correction Operators for Stokes FlowComputing the viscous Stokes flow around a shape requires solving a boundary-integral equation, and for a new shape the solve must begin from scratch. Learned operators promise to spread this cost…Denis Gueyffier·Jul 8, 2026SaveLearn
Gaussian Field Representations for Turbulent Flow: Compression, Scale Separation, and Physical FidelityRepresenting turbulent flow fields in a compact yet physically faithful form remains a central challenge in computational fluid dynamics. We propose a continuous parametric representation based on…Dhanush Vittal Shenoy, Steven H. Frankel·Jul 8, 2026SaveLearn
Two-stage dispersion mechanism of clean spherical bubbles rising in a chainWake-induced lift is a key mechanism governing the initial destabilization of bubbles rising in a chain (Atasi et al., 2023). Moore's wake model predicts limited interfacial vorticity and a…Satoi Suzuki, Toshiyuki Sanada·Jul 8, 2026SaveLearn
A Nonhomogeneous Porous-Medium Equation for Field Scale CO2 Plume SpreadingWe derive a nonlinear diffusion model for field scale CO2 plume spreading from a Global Buckley--Leverett component balance. The reduced variable u is the vertically averaged mobile gas phase…Fernando Alonso-Marroquin, Christian Tantardini·Jul 8, 2026SaveLearn
Optimization-Embedded Active Multi-Fidelity Surrogate Learning for Multi-Condition Airfoil Shape OptimizationActive multi-fidelity surrogate modeling is developed for multi-condition airfoil shape optimization to reduce high-fidelity CFD cost while retaining RANS-consistent aerodynamic metrics. The…Isaac Robledo, Alberto Vilariño, Arnau Miró et al.·Jul 8, 2026SaveLearn