Effects of the sheared flow velocity profile on impedance eduction in a 2D ductImpedance eduction methods are the current standard approach to measure the impedance of acoustic liner under sheared grazing flow. The dedicated facilities for these methods consists on a waveguide…Lucas A Bonomo, Edward J Brambley, Julio A Cordioli·Jun 11, 2025SaveLearn
Interfacial deformation and energy exchange in strong free-surface turbulenceThis study investigates the dynamics of strong free-surface turbulence (SFST) using direct numerical simulations (DNS). We focus on the energy exchange between the deformed free-surface and…Andre Calado, Elias Balaras·Jun 11, 2025SaveLearn
A Diffuse-Interface Marangoni InstabilityWe investigate a novel Marangoni-induced instability that arises exclusively in diffuse fluid interfaces, absent in classical sharp-interface models. Using a validated phase-field…Xiangwei Li, Dongdong Wan, Haohao Hao et al.·Jun 11, 2025SaveLearn
Heavy Particle Motion in Rotational VorticesThis study examines the motion of spherical inertial particles in a three-dimensional rotating cylindrical vortex - a simplified model of geophysical flow structures such as oceanic eddies. The…Orr Avni, Alok Kumar, Yuval Dagan·Jun 11, 2025SaveLearn
Droplet on a sugar fiberThe motion of a water droplet on a single vertical sugar fiber is analyzed. The fiber is positioned vertically, with the droplet placed at its pending end. If the capillary force exceeds the weight…Stéphane Dorbolo, Floriane Weyer, Alexandre Delory et al.·Jun 11, 2025SaveLearn
Lagrangian analysis of turbulent blood flow in the human left heartWe present a Lagrangian analysis of turbulent blood flow in the human left heart using high-fidelity simulations based on a patient-specific anatomical model. Leveraging a fully coupled…Fabio Guglietta, Martino Andrea Scarpolini, Francesco Viola et al.·Jun 11, 2025SaveLearn
Deformation of ellipsoidal droplets in homogeneous and isotropic turbulenceWe study the statistics of deformation of neutrally buoyant droplets in homogeneous isotropic turbulence (HIT), wherein the characteristic droplet size R is smaller than the characteristic…Fabio Guglietta, Diego Taglienti, Mauro Sbragaglia·Jun 11, 2025SaveLearn
Acceleration of Lagrangian Particles in Shell Models of TurbulenceLagrangian acceleration has been investigated both experimentally and numerically in the past, and it has been shown to exhibit extreme fluctuations, which have been rationalized as events in which…Lorenzo Piro, Massimo Cencini, Roberto Benzi·Jun 11, 2025SaveLearn
Enhancing semi-resolved CFD-DEM for dilute to dense particle-fluid systems: A point cloud based, two-step mapping strategy via coarse grainingComputational fluid dynamics and discrete element method (CFD-DEM) coupling is an efficient and powerful tool to simulate particle-fluid systems. However, current volume-averaged CFD-DEM relying on…Yuxiang Liu, Lu Jing, Xudong Fu et al.·Jun 11, 2025SaveLearn
Moving contact lines of power-law fluids: How nonlinear fluid rheology drastically alters stress singularity and dynamic wetting behaviorPower-law fluids can strongly affect the degree of the contact line stress singularity and hence the nature of moving contact lines. We develop a framework beyond the classical paradigm for power-law…David Halpern, Hsien-Hung Wei·Jun 10, 2025SaveLearn
Evidence on the incompatibility of smoothed particle hydrodynamics and eddy viscosity models for large eddy simulationsIn this work, we will present evidence for the incompatibility of Smoothed Particle Hydrodynamics (SPH) methods and eddy viscosity models. Taking a coarse-graining perspective, we physically argue…Max Okraschevski, Niklas Bürkle, Markus Wicker et al.·Jun 10, 2025SaveLearn
Large eddy simulations of conjugate heat transfer in boundary layers over laser-scanned ice roughnessAccurate modeling of ice accretion is important for safe and efficient design of aircraft and wind turbine systems. Heat transfer predictions obtained from fluid flow solvers are used as input in ice…Federico Zabaleta, Brett Bornhoft, Suhas S. Jain et al.·Jun 10, 2025SaveLearn
Nonlinear input-output analysis of transitional shear flows using small-signal finite-gain Lp stabilityThis SSFG Lp stability theorem can predict permissible forcing amplitudes below which a finite nonlinear input-output gain can be maintained. Our analysis employs Linear Matrix Inequalities (LMI) and…Zhengyang Wei, Chang Liu·Jun 9, 2025SaveLearn
Scale-by-scale energy transfers in bubbly flowsBuoyancy-driven bubbly flows naturally have spatially-dependent density fields, which allow for multiple definitions of the scale-dependent (or filtered) energy. A priori, it is not obvious which of…Hridey Narula, Vikash Pandey, Dhrubaditya Mitra et al.·Jun 9, 2025SaveLearn
Spatial dynamics of flexible nano-swimmers under a rotating magnetic fieldMicro-nano-robotic swimmers have promising potential for future biomedical tasks such as targeted drug delivery and minimally-invasive diagnosis. An efficient method for controlled actuation of such…Zvi Chapnik, Yizhar Or·Jun 8, 2025SaveLearn
Kerr-Dold vortices in an axisymmetric stagnation point flowThe existence of Kerr-Dold-type vortices in axisymmetric stagnation point flow is demonstrated, extending the class of known thick vortex solutions.Prabakaran Rajamanickam·Jun 8, 2025SaveLearn
Evolution of Rayleigh-Taylor turbulence under vorticity and strain-rate controlWe investigate the role of small-scale structures in turbulent Rayleigh-Taylor (RT) flows through the application of preferential flow control targeting high vorticity or high strain-rate regions…Dongxiao Zhao, Gaojin Li·Jun 8, 2025SaveLearn
A Combinatorial Approach to Novel Boundary Design in Deterministic Lateral DisplacementDeterministic lateral displacement (DLD) is a high-resolution separation technique used in various fields. A fundamental challenge in DLD is ensuring uniform flow characteristics across channel,…Aryan Mehboudi, Shrawan Singhal, S. V. Sreenivasan·Jun 7, 2025SaveLearn
Direct numerical simulation of complete transition to turbulence with a fluid at supercritical pressureThe objective of this work is to investigate the unexplored laminar-to-turbulent transition of a heated flat-plate boundary layer with a fluid at supercritical pressure. Two temperature ranges are…Pietro Carlo Boldini, Benjamin Bugeat, Jurriaan W. R. Peeters et al.·Jun 7, 2025SaveLearn
Energy partition in magnetohydrodynamic turbulenceWe use a simple and straightforward method to derive the energy partition in magnetohydrodynamics (MHD) turbulence that was first studied by Lee and then more rigorously by Chandrasekhar. By…Xing Wei·Jun 7, 2025SaveLearn
Experimental Study On Flashing-Induced Instabilities In An Open Natural Circulation SystemThe natural circulation system (NCS) uses gravity pressure drop caused by density differences in the loop to generate the driving force without any external mechanical devices, which has been widely…Yuliang Fang, Xiaxin Cao, Wenxi Tian·Jun 6, 2025SaveLearn
A comprehensive Darcy-type law for viscoplastic fluids: I. FrameworkA comprehensive Darcy-type law for viscoplastic fluids is proposed. Different regimes of yield-stress fluid flow in porous media can be categorised based on the Bingham number (i.e. the ratio of the…Emad Chaparian·Jun 6, 2025SaveLearn
A Chimera method for high-fidelity simulation of turbulent flowsWe develop a block-structured solver for high-fidelity simulation of flows in complex geometries, based on overlapping (Chimera) meshes. The key components of the algorithm are a baseline…Andrea Di Mascio, Sergio Pirozzoli·Jun 6, 2025SaveLearn
Flow-induced vibration of twin-pipe model with varying mass and damping: A study using virtual physical frameworkFlow-induced vibration (FIV) commonly occurs in rigidly coupled twin-pipe structures. However, the limited understanding of their FIV responses and hydrodynamic features presents a major challenge to…Jiawei Shen, Shixiao Fu, Xuepeng Fu et al.·Jun 6, 2025SaveLearn
Compression, simulation, and synthesis of turbulent flows with tensor trainsNumerical simulations of turbulent fluids are paramount to real-life applications, from predicting and modeling flows to diagnostic purposes in engineering. However, they are also computationally…Stefano Pisoni, Raghavendra Dheeraj Peddinti, Egor Tiunov et al.·Jun 5, 2025SaveLearn