Capillary hysteresis induced by gap-resolved meniscus dynamics on Faraday instability in Hele-Shaw cellsExisting theoretical analyses on Faraday instability in Hele-Shaw cells typically adopt gap-averaged governing equations and rely on Hamraoui's model coming from molecular kinetics theory,…Xingsheng Li, Jing Li, Xiaochen Li·Jul 3, 2026SaveLearn
Two-way coupling in active suspensions suppresses particle accumulation and induces non-monotonic flow stabilizationWe experimentally study the two-way coupling between a swarm of centimetre-scale active swimmers (Artemia salina) and an electromagnetically driven quasi-two-dimensional cellular flow. The swimmer…Miyi Wu, Ziyue Yu, Lei Fang·Jul 2, 2026SaveLearn
Semi-analytical model for the rising sheet generated by droplet-pair impactWhen two low-Ohnesorge-number drops impact a dry substrate simultaneously, their spreading lamellae collide and lift a free-standing vertical sheet. The sheet grows by inertial feeding from the…Shushan Hu, Liwu Fan, Nan Hu·Jul 2, 2026SaveLearn
Direct numerical simulations of turbulent drag reduction via piezoelectric actuationWe have conducted Direct Numerical Simulations of turbulent half-channel flow over realistic surface deformations at friction Reynolds number Reτ=200. We generated the surface deformations using…Amir Amjadimanesh, Aman Kidanemariam, David Chappell et al.·Jul 2, 2026SaveLearn
Pressure-drop localization and momentum insulation in liquid-gas coexistence Poiseuille flowWe study pressure-driven Poiseuille flow of a one-component fluid between adiabatic plates in liquid-gas coexistence. The analysis uses Poiseuille flow and Fourier heat conduction in the bulk regions…Naoko Nakagawa, Shin-ichi Sasa·Jul 2, 2026SaveLearn
Effect of surfactant kinetics on the wetting following the drop impact onto rough surfacesWe experimentally analyze the effect of a surfactant on wetting following drop impact on rough surfaces, paying special attention to the role of dynamic surface tension. To this end, we compare the…S. Rodríguez-Aparicio, M. Herreruela-Rosado, M. G. Cabezas et al.·Jul 2, 2026SaveLearn
Patagium and tail morphology shape aerodynamic performance and control authority in gliding-mammal-inspired wingsGliding mammals exhibit diverse patagium and tail/uropatagium morphologies that may influence aerodynamic performance and maneuverability. Here, we use computational fluid dynamics to isolate the…Liming Zheng, Baihui Chen, Alexander van Zuijlen et al.·Jul 2, 2026SaveLearn
Energy transfer, Intermittency and Mixing in Shear-Driven Stratified TurbulenceWe investigate a stably stratified flow driven by deterministic Kolmogorov forcing that generates horizontal shear, using direct numerical simulations over a broad range of stratification strengths…Chandra Shekhar Lohani, Vishwanath Shukla·Jul 2, 2026SaveLearn
Comparative analysis of resistive immersed surface and immersed boundary methods for aortic valve simulationNumerical modeling of aortic valve dynamics is essential for understanding the complex fluid-structure interaction (FSI) governing valve biomechanics in health and disease. Immersed methods provide a…Han Zhao, Alexander D. Kaiser, Fanwei Kong et al.·Jul 2, 2026SaveLearn
A second-order diffusive-interface immersed boundary method for incompressible flow with phase change and moving interfacesAccurately resolving interfacial gradients is critical for simulating two-phase flows, particularly those involving phase transitions or active matter. The traditional diffuse-interface immersed…Wenyuan Chen, Yantao Yang·Jul 2, 2026SaveLearn
The Role of Dynamic Stall in Aerofoil Shape Optimisation for Curvilinear Blade KinematicsThis study investigates the influence of aerofoil shape optimisation on blade aerodynamic performance under curvilinear and unsteady kinematics characteristic of vertical-axis turbines and cycloidal…Benjamin Irwin, David Toal, Swathi Krishna·Jul 2, 2026SaveLearn
A suspension of heavy Kolmogorov-size spheres suppresses the inertial cascade in homogeneous and isotropic turbulenceThe effect of Kolmogorov-size spherical particles on homogeneous and isotropic turbulence is investigated using particle-resolved direct numerical simulations at an unladen Taylor-scale Reynolds…Ludovico Fossà, Marco Edoardo Rosti·Jul 2, 2026SaveLearn
Two-dimensional simulations of hydrodynamic spin coupling in a two-rotor corralWe study hydrodynamic spin coupling in a two-rotor corral using DNS of 2D incompressible viscous fluid flow. An active rotor is driven at angular velocity W, and a nearby torque-free passive rotor…Tsorng-Whay Pan, Jiwen He·Jul 1, 2026SaveLearn
Lagrangian evaluation of polymeric stress in viscoelastic fluidsPolymeric stresses in viscoelastic flows arise from the deformation of polymer chains and are commonly computed using Eulerian constitutive models, in which the conformation tensor is evolved as a…Mohammad Majidi, Rishu Gandhi, Louison Thorens et al.·Jul 1, 2026SaveLearn
Objective kinetic theory for FENE dumbbell suspensionThe novelty of this work is that it takes a result of macromolecular theory that is not objective, and fixes it. To do so we use an objective vorticity tensor to obtain a fully frame invariant form…Liviu Iulian Palade, Alan Jeffrey Giacomin·Jul 1, 2026SaveLearn
Numerical Study of Compressibility and Velocity Parameter Effects on Spatially Evolving Supersonic Turbulent Shear LayersDirect Numerical Simulations (DNS) of a spatially developing supersonic turbulent shear layer are conducted for a range of convective Mach numbers (Mc) and velocity parameters (λ) to examine the…M. R. B. Shahadat, Z. Li, F. A. Jaberi et al.·Jul 1, 2026SaveLearn
The PICNN-Assisted Physics-Preserving Scheme for Thermodynamically Consistent Two-Phase Flow in Porous MediaIn this paper, we develop a physics-informed convolutional neural network (PICNN) assisted physics-preserving method for a thermodynamically consistent model of incompressible and immiscible…Yuanshuo Kong, Xue Wang, Yujing Yan·Jul 1, 2026SaveLearn
Lock-exchange flow regimes under low air Froude number bubble curtainsThe flow and density field characteristics around a bubble curtain in a laboratory scale lock-exchange setup are investigated using two-phase large-eddy simulations. We study the detailed…Shravan K. R. Raaghav, Herman J. H. Clercx, Matias Duran-Matute·Jul 1, 2026SaveLearn
Visualizing Lagrangian Heat Transport Paths and Density Structures in Unsteady Heat TransferConvective heat transfer is traditionally visualized from a Eulerian perspective using scalar temperature fields, offering limited insight into the underlying transport mechanisms. A Lagrangian view,…Besm Osman, Andrei Jalba, Michel Speetjens et al.·Jul 1, 2026SaveLearn
Visualization of Inertial and Kelvin Waves on the Quantum Vortex Lattice in Superfluid HeliumSuperfluid 4He subjected to steady rotation develops a regular lattice of quantum vortices aligned with the rotation axis. We prepare this lattice in a rotating cryostat, perturb it with a…Florian Lorin, Charles Peretti, Corentin Bourjaillat et al.·Jul 1, 2026SaveLearn
The spatio-temporal statistical structure of the turbulent dissipation field and its stochastic representation as a Gaussian Multiplicative ChaosThe present article concerns the stochastic modeling of the turbulent dissipation field and in particular its temporal evolution. To do so, we will be calling for a random distribution, ubiquitous in…Wandrille Ruffenach, Laurent Chevillard·Jul 1, 2026SaveLearn
Reduced-Order Hydrodynamic Modelling of a Sphere Near a Wall Using Sparse Regression and Neural NetworksThis work presents an interpretable parametric surrogate model motivated by the need to identify a hydrodynamic model for resolving the trajectory of an object in real-time. The surrogate is…Zev Hoffman, Sara Vahaji, Arpan Das et al.·Jul 1, 2026SaveLearn
Properties of Adjoint Solutions of the Full-potential Equations for Two-Dimensional Subcritical FlowThe adjoint full-potential equations are studied for two-dimensional (2D) steady subcritical flows. In contrast with the incompressible case, explicit closed-form solutions are generally not…Carlos Lozano, Jorge Ponsin·Jul 1, 2026SaveLearn
Experimental and theoretical investigation of drag loads on side-by-side flexible blades in a uniform currentThis study investigates the hydrodynamic drag force on side-by-side flexible blades in a uniform steady current through experimental and theoretical approaches. Four different blade mimics were…Zhilong Wei, Trygve Kristiansen, David Kristiansen et al.·Jul 1, 2026SaveLearn
Flexibility as a Universal Nature-Inspired Mechanism for Thrust EnhancementNature has equipped jet-propelled swimmers with flexible nozzles that outperform rigid ones, yet the origin of this advantage has remained unexplained. By tracking where and when energy is exchanged…Roberta Santoriello, Francesco Viola, Vincenzo Citro·Jun 30, 2026SaveLearn