Learning second-order TVD flux limiters using differentiable solversThis paper presents a data-driven framework for learning optimal second-order total variation diminishing (TVD) flux limiters via differentiable simulations. In our fully differentiable finite volume…Chenyang Huang, Amal S. Sebastian, Venkatasubramanian Viswanathan·Mar 11, 2025SaveLearn
Python-JAX-based Fast Stokesian DynamicsStokesian Dynamics (SD) is a powerful computational framework for simulating the motion of particles in a viscous Newtonian fluid under Stokes-flow conditions. Traditional SD implementations can be…Kim William Torre, Raoul D. Schram, Joost de Graaf·Mar 10, 2025SaveLearn
Diffuselet method for three-dimensional turbulent mixing of a cloudy air filamentThe mixing properties of vapor content, temperature and particle fields are of paramount importance in cloud turbulence as they pertain to essential processes, such as cloud water droplet evaporation…Vladyslav Pushenko, Simone Scollo, Patrice Meunier et al.·Mar 10, 2025SaveLearn
Trapping and Transport of Inertial Particles in a Taylor-Green Vortex: Effects of Added Mass and History ForceWe investigate the dynamics of small inertial particles in a two-dimensional, steady Taylor-Green vortex flow. A classic study by Taylor (2022) showed that heavy inertial point particles (having…Prabhash Kumar, Anu V. S. Nath, Mahesh Panchagnula et al.·Mar 10, 2025SaveLearn
Efficient data-driven flow modeling for accurate passive scalar advection in submesoscale domainsKnowing the sea surface velocity field is essential for various applications, such as search and rescue operations and oil spill monitoring, where understanding the movement of objects or substances…Karlo Jakac, Luka Lanča, Ante Sikirica et al.·Mar 10, 2025SaveLearn
Spatio-temporal characterization of nonlinear forcing and response in turbulent channel flowThe quadratic convection term in the incompressible Navier-Stokes equations is considered as a nonlinear forcing to the linear resolvent operator, and it is studied in the Fourier domain through the…Yuting Huang, Simon S. Toedtli, Gregory P. Chini et al.·Mar 10, 2025SaveLearn
Gravity-induced collisions of uncharged cloud droplets in an electric fieldWe investigate the collisions of uncharged, conducting droplets settling under gravity in the presence of an external electric field. Previous studies have derived a near-field asymptotic expression…Pijush Patra, Anubhab Roy·Mar 9, 2025SaveLearn
Efficient single-precision simulations of nematohydrodynamicsSimulations of nematohydrodynamics on graphics processing units (GPUs) are typically performed using double precision, which ensures accuracy but significantly increases computational cost. However,…Guilherme N. C. Amaral, Mahmoud Sedahmed, Margarida M. Telo da Gama et al.·Mar 9, 2025SaveLearn
A stochastic force model for a finite-size spherical particle in turbulencePredicting particle-laden flows requires accurate fluid force models. However, a reliable particle force model for finite-size particles in turbulent flows remains lacking. In the present work, a…Yuqi Wang, Ruifeng Hu·Mar 9, 2025SaveLearn
Assessment of the point-wise approach for the Turbulent Settling of finite-size particlesWe study the settling of suspensions of relatively large particles with a diameter of the order of ten Kolmogorov scales and density slightly larger than the carrier fluid in statistically steady…Francesco Battistaa, Sergio Chibbarob, Paolo Gualtieria·Mar 9, 2025SaveLearn
Droplets Suspended Beneath a Fiber HubDroplet-fiber interactions, prevalent in nature and widely applied across various engineering fields, have garnered significant research interest. Many works have focused on the interactions between…Yi Zhang, Zhao Pan·Mar 9, 2025SaveLearn
Techniques for improved statistical convergence in quantification of eddy diffusivity momentsWhile recent approaches, such as the macroscopic forcing method (MFM) or Green's function-based approaches, can be used to compute Reynolds-averaged Navier--Stokes closure operators using forced…Dana Lynn Ona-Lansigan Lavacot, Jessie Liu, Brandon E. Morgan et al.·Mar 9, 2025SaveLearn
Analytical and numerical solutions to the three-phase Stefan problem with simultaneous occurrences of melting, solidification, boiling, and condensation phenomenaThe one-dimensional (1D) Stefan problem is a prototypical heat and mass transfer problem that analyzes the temperature distribution in a material undergoing phase change. In addition, it describes…Mehran Soleimani, Kimmo Koponen, Nils Tilton et al.·Mar 8, 2025SaveLearn
Hybrid Reduced-Order Models for Turbulent Flows Using Recurrent Neural ArchitecturesProper-orthogonal decomposition (POD) based reduced-order models (ROM) of structurally dominant fluid flow can support a wide range of engineering applications. Yet, although they perform well for…Haroon Imtiaz, Imran Akhtar, Muhammad R. Hajj·Mar 7, 2025SaveLearn
Transient Growth in Streaky Unbounded Shear Flow: A symbiosis of Orr and Push-over mechanismsTransient growth mechanisms operating on streaky shear flows are believed important for sustaining near-wall turbulence. Of the three individual mechanisms present - Orr, lift-up and 'push over' -…W. Oxley, R. R. Kerswell·Mar 7, 2025SaveLearn
A sharp-interface discontinuous Galerkin method for simulation of two-phase flow of real gases based on implicit shock trackingWe present a high-order, sharp-interface method for simulation of two-phase flow of real gases using implicit shock tracking. The method is based on a phase-field formulation of two-phase,…Charles Naudet, Brian Taylor, Matthew J. Zahr·Mar 7, 2025SaveLearn
On spectral scaling laws for averaged turbulence on the sphereSpectral analysis for a class of Lagrangian-averaged Navier--Stokes (LANS) equations on the sphere is carried out. The equations arise from the Navier--Stokes equations by applying a Helmholtz filter…Sagy Ephrati, Erik Jansson, Klas Modin·Mar 7, 2025SaveLearn
Inertio-viscous interactions between particles in oscillatory flowWe study the interaction between a pair of particles suspended in a uniform oscillatory flow. The time-averaged behavior of particles under these conditions, driven by inertial and viscous effects,…Xiaokang Zhang, Bhargav Rallabandi·Mar 7, 2025SaveLearn
Numerical Simulation of Wavy-Flap Airfoil Performance at Low Reynolds Number: Insights from Lift and Drag Coefficient AnalysisThis research examines the aerodynamic performance of wavy (corrugated) airfoils, focusing specifically on analyzing the impact of two angles of attack: the airfoil's angle of attack and the tail's…Mohammad Amin Esabat, Saeed Jaamei, Fatemeh Asadi et al.·Mar 6, 2025SaveLearn
Design of a test rig for the investigation of falling film flows with counter-current gas flowsGeothermal phase change probes operate on the principle of falling film evaporation, enabling the efficient use of geothermal heat for space heating applications. Despite successful applications in…M. Wirth, J. Hagedorn, B. Weigand et al.·Mar 6, 2025SaveLearn
Coarse graining and reduced order models for plume ejection dynamicsMonitoring the atmospheric dispersion of pollutants is increasingly critical for environmental impact assessments. High-fidelity computational models are often employed to simulate plume dynamics,…Ike Griss Salas, Megan R. Ebers, Jake Stevens-Haas et al.·Mar 6, 2025SaveLearn
Meshless Super-Resolution of Scattered Data via constrained RBFs and KNN-Driven DensificationWe propose a novel meshless method to achieve super resolution from scattered data obtained from sparse, randomly positioned sensors such as the particle tracers of particle tracking velocimetry. The…Iacopo Tirelli, Miguel Alfonso Mendez, Andrea Ianiro et al.·Mar 6, 2025SaveLearn
Inverse energy transfer in three-dimensional quantum vortex flowsVortex reconnections play a fundamental role in fluids.They increase the complexity of flow and develop small-scale motions.In this work, we report that in superfluids, they can also excite large…Piotr Z. Stasiak, Andrew Baggaley, Carlo. F. Barenghi et al.·Mar 6, 2025SaveLearn
Numerical Study On Temperature Variations Of Superheated Steam Flowing Through A Regulation ValveSuperheated steam is widely employed in various energy systems, particularly in power plants, chemical industries, and other applications where high-temperature and high-pressure steam is essential…Zhe-hui Ma, Hang-ye Zhang, Chuang Liu et al.·Mar 6, 2025SaveLearn
Advancing sustainable energy solutions with microfluidic porous mediaThe transition to a sustainable, low-carbon energy future requires transformative advancements in energy and environmental technologies. Carbon capture and sequestration, underground hydrogen…Wenhai Lei, Yuankai Yang, Shuo Yang et al.·Mar 6, 2025SaveLearn