Asymptotic-analysis-inspired boundary conditions aiming at eliminating polymer diffusive instabilityThe recent discovery of polymer diffusive instability (PDI) by Beneitez et al. (Phys. Rev. Fluids, 2023, 8: L101901) poses challenges in implementing artificial conformation diffusion (ACD) in…Ming Dong, Dongdong Wan·Aug 13, 2025SaveLearn
Boundary layer flow dynamics of propulsive flapping foils with increasing Reynolds numbersWe study flapping foils at optimally propulsive Strouhal number St=0.3 with increasing chord-based Reynolds number at Re = 104, 105, and 106 to examine changes in their unsteady boundary…Andhini N. Zurman-Nasution, Gabriel D. Weymouth, Bharathram Ganapathisubramani·Aug 13, 2025SaveLearn
Extending the Droplet-Wave Statistical Correspondence in Walking Droplet DynamicsWalking droplets -- millimetric oil droplets that self-propel across the surface of a vibrating fluid bath -- exhibit striking emergent statistics that remain only partially understood. In…Skyler Mao, David Darrow·Aug 13, 2025SaveLearn
Scaling behaviour of rotating convection in a spherical shell with different Prandtl numbersRayleigh-Benard convection in a rotating spherical shell provides a simplified model for convective dynamics of planetary and stellar interiors. In this study, we build more than 200 numerical models…Wei Fan, Qi Wang, Yufeng Lin·Aug 13, 2025SaveLearn
Numerical Study of Oblique Detonation Initiation Assisted by Local Energy DepositionReliable initiation of oblique detonation waves (ODWs) is crucial for the stable operation of oblique detonation engines (ODEs), especially under flight conditions of low Mach numbers and/or high…Ziqi Jiang, Zongnan Chen, Lisong Shi et al.·Aug 12, 2025SaveLearn
Saddle-node bifurcation during the relaminarization of turbulent puffs in pipeTurbulent puffs in a pipe persist for a long time before abruptly transitioning to laminar flow through viscous exponential decay. Direct numerical simulation results reveal a saddle-node bifurcation…Basheer Ahmad Khan, Shai Arogeti, Oriel Shoshani et al.·Aug 12, 2025SaveLearn
Internal flow and concentration in neighbouring evaporating binary droplets and rivuletsIn this paper, the evaporation of neighbouring multi-component droplets or rivulets - often found in applications such as inkjet printing, spray cooling, and pesticide delivery - is studied…Pim J. Dekker, Duarte Rocha, Christian Diddens et al.·Aug 12, 2025SaveLearn
Boundary layers in quasi-static magnetoconvection with a vertical field and their implications for heat transportHeat transport in quasi-static magnetoconvection with a vertical magnetic field in a plane layer geometry is investigated with direct numerical simulations and asymptotic theory in the limit of large…Talal AlRefae, Michael A. Calkins·Aug 12, 2025SaveLearn
Identifying efficient routes to laminarization: an optimization approachThe nonlinear and chaotic nature of turbulent flows poses a major challenge for designing effective control strategies to maintain or induce low-drag laminar states. Traditional linear methods often…Jake Buzhardt, Michael D. Graham·Aug 11, 2025SaveLearn
A Lagrangian method for solving the spherical shallow water equations using power diagramsNumerical simulations of the air in the atmosphere and water in the oceans are essential for numerical weather prediction. The state-of-the-art for performing these fluid simulations relies on an…Philip Caplan, Otis Milliken, Toby Pouler et al.·Aug 11, 2025SaveLearn
Mean velocity profiles and total shear stress profiles in adverse-pressure-gradient turbulent boundary layers considering history effectThis study focuses on developing a predictive model for mean velocity profiles and total shear stress profiles in turbulent boundary layers subjected to adverse pressure gradients, especially with…Zhengqin Shu, Chunxiao Xu·Aug 11, 2025SaveLearn
An implicit gas-kinetic scheme for internal and external flowsThe gas-kinetic scheme(GKS) is a promising computational fluid dynamics (CFD) method for solving the Navier-Stokes equations. It is based on the analytical solution of the BGK equation, which enables…Yue Zhang, Xing Ji, Kun Xu·Aug 11, 2025SaveLearn
Modeling Dynamic Gas-Liquid Interfaces in Underwater Explosions Using Interval-Constrained Physics-Informed Neural NetworksUnderwater explosion modeling faces a critical challenge of simultaneously resolving shock waves and gas-liquid interfaces, as traditional methods struggle to balance accuracy and computational…Fulin Xing, Junjie Li, Ze Tao et al.·Aug 11, 2025SaveLearn
Slip over liquid-infused gratings in the singular limit of a nearly inviscid lubricantWe consider shear-driven longitudinal flow of an exterior fluid over a periodic array of rectangular grooves filled with an immiscible interior fluid (the "lubricant"), the grooves being formed by…Gunnar G. Peng, Ehud Yariv, Ory Schnitzer·Aug 10, 2025SaveLearn
Hidden in plain sight: How evaporation impacts the pendant drop methodThe surface tension of a liquid, which drives most free surface flows at small scales, is often measured with the pendant drop method due to its simplicity and reliability. When the drop is suspended…Pim J. Dekker, Christian Diddens, Marjolein N. van der Linden et al.·Aug 10, 2025SaveLearn
A unified gas-kinetic framework from Boltzmann to Navier-Stokes scalesNeither molecular kinetics nor continuum fluid dynamics alone is adequate to describe multiscale gas flows across different regimes. Bridging these regimes within a single self-consistent framework…Zhaoli Guo, Kun Xu, Yajun Zhu·Aug 10, 2025SaveLearn
Electrohydrodynamics of a pair of leaky dielectric droplets on the solid substrate: A lattice Boltzmann studyIn this work, the electrohydrodynamics of a pair of leaky dielectric droplets on a solid substrate is investigated by the phase-field-based lattice Boltzmann method. Different from a pair of…Jiang Peng, Xi Liu, Zhenhua Chai et al.·Aug 10, 2025SaveLearn
Lagrangian entropic lattice Boltzmann method for Courant-free supersonic compressible flow simulationThis work presents the Lagrangian entropic lattice Boltzmann method (LELBM), a novel framework for supersonic lattice Boltzmann method that surpasses traditional restrictions on velocity,…Woohyuk Noh, Changhoon Lee·Aug 9, 2025SaveLearn
Effect of translational shear on interfacial structure in the viscous fingering instabilityWe introduce applied shear as a method to control viscous fingering by smoothing the interface between miscible fluids. In the viscous fingering instability, a less viscous fluid displaces a more…Zhaoning Liu, Samar Alqatari, Thomas E. Videbæk et al.·Aug 9, 2025SaveLearn
Evaluation of Analytical Turbulence Closures for Quasi-Geostrophic Ocean Flows with Coastal BoundariesNumerical turbulence simulations typically involve parameterizations such as Large Eddy Simulations (LES). Applications to geophysical flows, especially ocean flows, are further complicated by the…Anantha Narayanan Suresh Babu, Akhil Sadam, Pierre F. J. Lermusiaux·Aug 8, 2025SaveLearn
Intermittency suppression in turbulence via forced light particlesWe investigate how turbulence is reshaped by the presence of externally forced light particles, using high-resolution direct numerical simulations with four-way coupling. The particles are subject to…André Freitas, Xander M. de Wit, Ziqi Wang et al.·Aug 8, 2025SaveLearn
Numerical Investigation of Natural Convection Dynamics in Open-Ended Vertical Channels with Different Aspect RatiosUnderstanding the thermal and flow fields associated with natural convection is of great importance in the design and manufacture of passive cooling systems, solar collectors, and ventilation…Heba A. Alaaeldin, Ahmed A. Hamada, Mohamed A. El-Naggar et al.·Aug 8, 2025SaveLearn
Conservation laws, a new class of group invariant solutions, and its applications for the Whitham Broer Kaup modelThe Whitham Broer Kaup (WBK) equations provide a fundamental framework for modeling shallow water wave dynamics, effectively capturing both nonlinear and dispersive effects. In this study, we…Sougata Mandal, Sukhendu Ghosh·Aug 8, 2025SaveLearn
Buckling activated translation of encapsulated microbubblesThe influence of initial shape imperfections on the post-buckling and translational behavior of encapsulated microbubbles is investigated subject to acoustic excitation in an unbounded flow.…Maria Vlachomitrou, Georges Chabouh, Alkmini Lytra et al.·Aug 8, 2025SaveLearn
Numerical study of freezing efficiency for a moving droplet in the microchannelIn microfluidic devices, droplets serving as carriers for chemical reactors or biomass can form stably encapsulated particles during the freezing process, holding significant importance in…Dahu Li, zhiliang Wang·Aug 8, 2025SaveLearn