Hydrodynamics of Flapping Foils Undergoing Irregular Motion with Application to Wave-Assisted PropulsionFlapping foils are widely studied as bioinspired propulsors, yet most investigations have focused on regular, sinusoidal kinematics. In realistic environments, however, irregular motions arise…Harshal S. Raut, Jung-Hee Seo, Rajat Mittal·Oct 21, 2025SaveLearn
A diffuse-interface method for the containerless freezing of three-phase flows in complex geometriesIn this work, we first propose a diffuse-interface model for the freezing processes of three-phase flows in complex geometries, and the core of the model to intergratge the Navier-Stokes equations…Jiangxu Huang, Chengjie Zhan, Zhenhua Chai et al.·Oct 21, 2025SaveLearn
Formation characteristics of Taylor bubbles in power-law liquids flowing through a microfluidic co-flow deviceFormation and dynamics of Taylor bubble in power-law liquids flowing through a circular co-flow microchannel are numerically investigated using coupled level set and volume-of-fluid method. Aqueous…Somasekhara Goud Sontti, Arnab Atta·Oct 21, 2025SaveLearn
CFD study on Taylor bubble characteristics in Carreau-Yasuda shear thinning liquidsIn the present study, Taylor bubble formation in two-phase gas-non-Newtonian Carreau liquid flowing through a confined co-flow microchannel is investigated. Systematic analysis are carried out to…Somasekhara Goud Sontti, Arnab Atta·Oct 21, 2025SaveLearn
Characterizing primary atomization of cryogenic LOX/Nitrogen and LOX/Helium sprays by visualizations coupled to Phase Doppler InterferometryThere is a need for experimental data in conditions representative injection in rocket engines to validate or initiate droplet formation models used in numerical simulations. A new cryogenic vessel…Nicolas Fdida, Yves Mauriot, Lucien Vingert et al.·Oct 21, 2025SaveLearn
Characterization of a kerosene liquid jet injected in a high temperature Mach 2 supersonic crossflowNear field liquid structures and penetration of a kerosene jet injected in a Mach 2 crossflow were studied experimentally in the LAPCAT-II Dual Mode Ramjet Combustor at Onera, using high spatial and…Nicolas Fdida, Nathan Mallart-Martinez, Thomas Le Pichon et al.·Oct 21, 2025SaveLearn
Smoothed Dissipative Particle Dynamics for Mesoscale Advection-Diffusion-Reaction ProblemsSmoothed dissipative particle dynamics (SDPD) is a widely used particle-based method for modelling soft matter systems at mesoscopic and macroscopic scales, offering thermodynamic consistency and…Marina Echeverria Ferrero, Nicolas Moreno, Marco Ellero·Oct 21, 2025SaveLearn
Multiscale transitional flow in anisotropic nanoparticle suspensions revealed by time-resolved x-ray scatter microscopyComplex fluids transition from laminar to transitory flow above a critical control parameter, akin to their Newtonian counterparts. In a continuum mechanics sense, fluid elements follow the ensuing…Kesavan Sekar, Viney Ghai, Reza Ghanbari et al.·Oct 21, 2025SaveLearn
Non-linear evolution of the horizontal shear instability in stratified rotating fluids under the complete Coriolis accelerationThis paper investigates the non-linear dynamics of horizontal shear instability in an incompressible, stratified and rotating fluid in the non-traditional f-plane, i.e. with the full Coriolis…Camille Moisset, Paul Billant, Junho Park et al.·Oct 21, 2025SaveLearn
Weighted integral methods for fluid force diagnostics in incompressible flowsWhilst surface-stress integration remains the standard approach for fluid force evaluation, control-volume integral methods provide deeper physical insights through functional relationships between…An-Kang Gao, Chenyue Xie, Xi-Yun Lu·Oct 21, 2025SaveLearn
Eddy thermal diffusivity model and mean temperature profiles in turbulent vertical convectionIn this paper, we propose a space-dependent eddy thermal diffusivity model for turbulent vertical natural convection in a fluid between two infinite vertical walls at different temperatures. Using…Ho Yin Ng, Emily S. C. Ching·Oct 21, 2025SaveLearn
In vivo evidence of blood flow slippage: failure of the no-slip boundary condition assumptionThe assumption that blood adheres to vessel walls, the ``no-slip'' boundary condition, is an essential premise of cardiovascular fluid dynamics. Yet, whether it holds true in vivo has not been…Alena Jarolímová, Jaroslav Hron, Karel Tůma et al.·Oct 20, 2025SaveLearn
How Do Water Filled Traffic Barriers Shake a Suspension Bridge?The present study stems from the realization that the general problem relating to the analysis of wind-induced vibrations in suspension bridges still requires significant attention. Sidewalk…Guanni Qu, T. Yue, X. Zhang et al.·Oct 20, 2025SaveLearn
Multiphase modeling of anisotropic biomass particle pyrolysis accounting for particle deformation and coupled gas-phase dynamicsNumerical models of biomass particle pyrolysis focus on either the solid particle evolution or on the surrounding gas-phase dynamics, neglecting the coupled interactions between the two. This work…Riccardo Caraccio, Edoardo Cipriano, Alessio Frassoldati et al.·Oct 20, 2025SaveLearn
Optimal Control from a Fluid Dynamics PerspectiveAn optimal control problem described by the Hamilton-Jacobi-Bellman equation can be developed into a problem that can be solved by general computational fluid dynamics packages. We describe how this…J. Pratt, M. Schneider, A. Perloff·Oct 20, 2025SaveLearn
A Mixed-Form PINNS (MF-PINNS) For Solving The Coupled Stokes-Darcy EquationsParallel physical information neural networks (P-PINNs) have been widely used to solve systems with multiple coupled physical fields, such as the coupled Stokes-Darcy equations with…Li Shan, Xi Shen·Oct 20, 2025SaveLearn
Fluid-structure interaction analysis with interface control principleAn interface control principle is proposed for unsteady fluid-structure in- teraction (FSI) analyses. This principle introduces a method of explicitly controlling the interface motion in the temporal…Chungil Lee, Yoshiaki Abe, Yu Kawano et al.·Oct 20, 2025SaveLearn
Spontaneous stochasticity in the fluctuating Navier-Stokes equations on a logarithmic latticeThe predictability of turbulent flows remains a challenging problem for mathematicians, physicists, and meteorologists. In this context, we consider the 3D incompressible Navier-Stokes equations with…Erika Ortiz, Ciro S. Campolina, Alexei A. Mailybaev·Oct 20, 2025SaveLearn
Cavitation onset in transient pressure fieldsWhile it is well known that cavitation occurs in liquids under tension, no universally accepted criterion for its onset in transient pressure fields exists. We propose a precise definition of the…Pierre Coulombel, Fabian Denner·Oct 19, 2025SaveLearn
State estimation in homogeneous isotropic turbulence using super-resolution with a 4DVar training algorithmVariational data assimilation and machine-learning based super-resolution are two alternative approaches to state estimation in turbulent flows. The former is an optimisation problem featuring a time…Markus Weyrauch, Moritz Linkmann, Jacob Page·Oct 19, 2025SaveLearn
Revealing Low-Dimensional Structure in 2D Richtmyer-Meshkov Instabilities via Parametric Reduced-Order ModelingEfficient modeling of the Richtmyer-Meshkov instability (RMI) is essential to many engineering tasks, including high-speed combustion and drive and capsule geometry optimization in Inertial…Daniel Messenger, Daniel Serino, Balu Nadiga et al.·Oct 17, 2025SaveLearn
Mechanism generating reverse buoyancy flux at the small scales of stably stratified turbulencePrevious studies have shown that at the small-scales of stably stratified turbulence, the scale-dependent buoyancy flux reverses sign, such that there is a conversion of turbulent potential energy…Soumak Bhattacharjee, Stephen M. de Bruyn Kops, Andrew D. Bragg·Oct 17, 2025SaveLearn
Water wave scattering by a surface-mounted rectangular anisotropic elastic plateThis paper considers the problem of water wave scattering by a rectangular anisotropic elastic plate mounted on the ocean surface, with either free, clamped or simply-supported edges. The problem is…Ben Wilks, Michael H. Meylan, Zachary J. Wegert et al.·Oct 16, 2025SaveLearn
On Turbulent Behavior of the Generalized Surface Quasigeostrophic EquationsTurbulent behavior of the two-parameter family of generalized surface quasigeostrophic equations is examined both rigorously and numerically. We adapt a cascade mechanism argument to derive an energy…Chengzhang Fu, Michael S. Jolly, Anuj Kumar et al.·Oct 16, 2025SaveLearn
Computational study of vertical-axis MHK turbines using a coupled flow-sediment-turbine modeling approachWe present a coupled large-eddy simulation (LES) and bed morphodynamics study to investigate the influence of sediment dynamics on the performance of a utility-scale marine hydrokinetic vertical-axis…Mehrshad Gholami Anjiraki, Mustafa Meriç Aksen, Samin Shapourmiandouab et al.·Oct 16, 2025SaveLearn