A computational approach for the study of electromagnetic interactions in reacting flowsA computational fluid dynamics methodology for the simulation of electromagnetic interactions in compressible reacting flows has been formulated. The developed code, named EMI, is based on the SENGA…Efstratios M. Kritikos, Stewart Cant, Andrea Giusti·May 9, 2025SaveLearn
Unsteady Thermal and Flow Structures of an Impinging Sweeping JetSweeping jets are increasingly employed in thermal management and flow control applications due to their inherent unsteadiness and ability to cover wide surface areas. This study investigates the…Rodrigo Castellanos, Adrián Martín-Perrino, Elena López-Núñez et al.·May 9, 2025SaveLearn
Sweep Angle Effects of Flow Over a Seal Whisker-Inspired Undulated CylinderFlow over a seal whisker-inspired undulated cylinder at swept back angles is computationally investigated, comparing the vortex shedding, forces, and wake characteristics to those of an equivalent…Trevor K. Dunt, Christin T. Murphy, Ondřej Ferčák et al.·May 9, 2025SaveLearn
Droplet Outbursts from Onion CuttingCutting onions often leads to tear-inducing aerosol release in kitchen, yet the underlying mechanics of droplet generation remain poorly understood. In this work, we combine custom-developed…Zixuan Wu, Alireza Hooshanginejad, Weilun Wang et al.·May 9, 2025SaveLearn
Data-driven pressure field prediction for ships in regular sea statesMerchant shipping is responsible for more than 90% of the global trade and has a significant environmental impact, accounting for over 2% of global greenhouse gas emissions. Therefore, fuel-saving…Malte Loft, Henning Schwarz, Thomas Rung·May 9, 2025SaveLearn
Forecasting the evolution of three-dimensional turbulent recirculating flows from sparse sensor dataA data-driven algorithm is proposed that employs sparse data from velocity and/or scalar sensors to forecast the future evolution of three dimensional turbulent flows. The algorithm combines…George Papadakis, Shengqi Lu·May 9, 2025SaveLearn
Enhanced oil recovery in reservoirs via diffusion-driven CO2 flooding: Experimental insights and material balance modelingCO2 flooding is central to carbon utilization technologies, yet conventional waterflooding models fail to capture the complex interactions between CO2 and formation fluids. In this…Xiaoyi Zhang, Rui Xu, Qing Zhao et al.·May 9, 2025SaveLearn
A framework for learning symbolic turbulence models from indirect observation data via neural networks and feature importance analysisLearning symbolic turbulence models from indirect observation data is of significant interest as it not only improves the accuracy of posterior prediction but also provides explicit model…Chutian Wu, Xin-Lei Zhang, Duo Xu et al.·May 9, 2025SaveLearn
The effect of shear-thinning on the scalings and small-scale structures of turbulenceWe study the homogeneous isotropic turbulence of a shear-thinning fluid modeled by the Carreau model and show how the variable viscosity affects the multiscale behaviour of the turbulent flow. We…Marco Edoardo Rosti·May 9, 2025SaveLearn
Online learning of eddy-viscosity and backscattering closures for geophysical turbulence using ensemble Kalman inversionDifferent approaches to using data-driven methods for subgrid-scale closure modeling have emerged recently. Most of these approaches are data-hungry, and lack interpretability and out-of-distribution…Yifei Guan, Pedram Hassanzadeh, Tapio Schneider et al.·May 9, 2025SaveLearn
Dynamics of a compressible gas injected into a confined porous layerUnderground gas storage is a critical technology in global efforts to mitigate climate change. In particular, hydrogen storage offers a promising solution for integrating renewable energy into the…Peter Castellucci, Radha Boya, Lin Ma et al.·May 8, 2025SaveLearn
A new paradigm for computing hydrodynamic forces on particles in Euler-Lagrange point-particle simulationsAccurate prediction of the hydrodynamic forces on particles is central to the fidelity of Euler-Lagrange (EL) simulations of particle-laden flows. Traditional EL methods typically rely on determining…Berend van Wachem, Hani Elmestikawy, Akshay Chandran et al.·May 8, 2025SaveLearn
Self-Replication of Turbulent Puffs: On the edge between chaotic saddlesPipe flow is a canonical example where turbulence first appears intermittently in space and time, taking the form of localized structures termed puffs. Turbulence spreads via puff self-replication,…Anton Svirsky, Tobias Grafke, Anna Frishman·May 8, 2025SaveLearn
Pseudo-turbulence models for compressible flow through random particle suspensionsA model for the pseudo-turbulent Reynolds stress tensor in compressible flows through monodisperse particle clouds is developed based on data from particle resolved numerical simulations. This model…Andreas Nygård Osnes, Magnus Vartdal·May 8, 2025SaveLearn
Surface bubble lifetime in the presence of a turbulent air flow, and the effect of surface layer renewalSurface bubbles in the ocean are critical in moderating several fluxes between the atmosphere and the ocean. In this paper, we experimentally investigate the drainage and lifetime of surface bubbles…Tristan Aurégan, Luc Deike·May 7, 2025SaveLearn
Reinforcement Learning-Based Closed-Loop Airfoil Flow ControlWe systematically investigated a reinforcement learning (RL)-based closed-loop active flow control strategy to enhance the lift-to-drag ratio of a wing section with an NLF(1)-0115 airfoil at an angle…Qiong Liu, Luis Javier Trujillo Corona, Fangjun Shu et al.·May 7, 2025SaveLearn
Drops can Perpetually Bounce over a Vibrating Wettable SolidOn the surface of a vibrating liquid bath, instead of coalescing, a drop will continually bounce on a thin film of air between the drop and the free surface, giving rise to rich chaotic dynamics and…Lebo Molefe, Tomas Fullana, François Gallaire et al.·May 7, 2025SaveLearn
Flow induced intermittent transport shapes colloid filtration in complex mediaThe macroscopic phenomenon of filtration is the separation between suspended and liquid phases and it takes place in natural environments (e.g. groundwater, soil, hyporheic zone) and industrial…Filippo Miele, Ankur Deep Bordoloi, Marco Dentz et al.·May 5, 2025SaveLearn
Temperature and pressure reconstruction in turbulent Rayleigh-B\'enard convection by Lagrangian velocities using PINNVelocity, pressure, and temperature are the key variables for understanding thermal convection, and measuring them all is a complex task. In this paper, we demonstrate a method to reconstruct…R. Barta, M. -C. Volk, C. Bauer et al.·May 5, 2025SaveLearn
A Numerical Investigation of the Aeroelastic Interaction between Transonic Buffet and Structural NonlinearityTransonic shock buffet is a nonlinear, unsteady aerodynamic phenomenon characterized by self-sustained, periodic shock oscillations that can critically affect aircraft structural integrity. While the…Michael Candon, Vincenzo Muscarello, Pier Marzocca et al.·May 5, 2025SaveLearn
Uncertainty Quantification and Flow Dynamics in Rotating Detonation EnginesRotating detonation engines (RDEs) are a critical technology for advancing combustion engines, particularly in applications requiring high efficiency and performance. Understanding the supersonic…Vinay Kumar, Zheming Gou, Roger Ghanem·May 5, 2025SaveLearn
Sloshing suppression with a controlled elastic baffle via deep reinforcement learning and SPH simulationThis study employed smoothed particle hydrodynamics (SPH) as the numerical environment, integrated with deep reinforcement learning (DRL) real-time control algorithms to optimize the sloshing…Mai Ye, Yaru Ren, Silong Zhang et al.·May 5, 2025SaveLearn
Coalescence of viscoelastic sessile drops: the small and large contact angle limitsThe coalescence and breakup of drops are classic examples of flows that feature singularities. The behavior of viscoelastic fluids near these singularities is particularly intriguing - not only…Paul R. Kaneelil, Kazuki Tojo, Palas Kumar Farsoiya et al.·May 4, 2025SaveLearn
The Lagrangian kinetic energy cascade in Rayleigh-B\'enard convectionRayleigh-B\'enard convection at high Rayleigh number exhibits turbulence superimposed on large-scale circulation. While buoyancy forces drive the flow at certain scales, how kinetic energy is…Robin Barta, Claus Wagner, Ron Shnapp·May 3, 2025SaveLearn
Large Language Model Driven Development of Turbulence ModelsArtificial intelligence (AI) has achieved human-level performance in specialized tasks such as Go, image recognition, and protein folding, raising the prospect of an AI singularity-where machines not…Zhongxin Yang, Yuanwei Bin, Yipeng Shi et al.·May 3, 2025SaveLearn