Droplet impact on a superhydrophobic surface under shear airflow: Lattice Boltzmann simulations and scaling analysesDroplet impact in airflow environments is ubiquitous in nature and industry, making the understanding of this multiphase behavior crucial for technologies such as anti-icing and spray cooling. In…Yang Liu, Xuan Zhang, Yiqing Guo et al.·Mar 10, 2026SaveLearn
Formulation of entropy-conservative discretizations for compressible flows of thermally perfect gasesThis study proposes a novel spatial discretization procedure for the compressible Euler equations that guarantees entropy conservation at a discrete level for thermally perfect gases. The procedure…Alessandro Aiello, Carlo De Michele, Gennaro Coppola·Mar 10, 2026SaveLearn
Aliasing and phase shifting in pseudo-spectral simulations of the incompressible Navier-Stokes equationsPseudo-spectral methods are widely used for direct numerical simulations of turbulence, but the standard 2/3 truncation rule for dealiasing is computationally expensive -- accounting for up to 80% of…Clovis Lambert, Jason Reneuve, Pierre Augier·Mar 9, 2026SaveLearn
Improving boundary-layer separation prediction by an IDDES turbulence model using a pressure-gradient sensorThis work extends a pressure-gradient sensor for boundary-layer separation originally developed for the k-ω shear-stress transport Reynolds-averaged Navier-Stokes (RANS) model (Griffin et al.,…Benjamin S. Savino, Kevin Patrick Griffin, Bumseok Lee et al.·Mar 9, 2026SaveLearn
Experimental Challenges in Determining Heat Transfer Efficiency Scaling in Highly Turbulent Cryogenic Rayleigh-Benard ConvectionCryogenic Rayleigh-Benard convection (RBC) at very high Rayleigh numbers (Ra) serves as a key system for understanding buoyancy-driven industrial and large scale natural flows and for testing…P. Urban, V. Musilova, P. Hanzelka et al.·Mar 9, 2026SaveLearn
Glassy phase transition in immiscible steady-state two-phase flow in porous mediaTwo-phase flow in porous media is a ubiquitous phenomenon that has been studied for well over a century. However, we still lack a successful theory that predicts flow on a macroscopic length scale…Santanu Sinha, Humberto Carmona, José S. Andrade et al.·Mar 9, 2026SaveLearn
A simple experiment for observing clustering and dynamics of coalescing particles in air turbulenceA novel experimental platform is developed to investigate the dynamics of inertial particles (micro-droplets) in air turbulence. The goal is to observe particle collision and coalescence in turbulent…L. Fu, J. Feng, Y. Chen et al.·Mar 9, 2026SaveLearn
Sensitivity of Isothermal Swirl Combustor Flow to Inlet Reynolds NumberNumerical simulations were conducted to investigate the influence of inlet Reynolds number on the isothermal flow field in a lab-scale swirl combustor while keeping a fixed inlet swirl number of…Madan Lal Mahato, Nitesh Kumar Sahu·Mar 9, 2026SaveLearn
Manifold-Adapted Sparse RBF-SINDy: Unbiased Library Construction and Unsupervised Discovery of Dynamical States in Turbulent Wall FlowsThe turbulent attractor of wall bounded flows is not a structureless strange set but contains a skeleton of dynamically distinct states connected by rare directed transitions whose geometry is…Miguel Perez-Cuadrado, Giorgio Maria Cavallazzi, Alfredo Pinelli·Mar 9, 2026SaveLearn
Magnetoconvection in a spherical shell: Equatorial symmetry during the transition from the weak- to the strong-field regimeAt small but supercritical Rayleigh numbers, simulations of dynamos in spherical shells often separate into two broad regimes characterised either by their relative magnetic field strength…Luke J. Gostelow, Robert J. Teed·Mar 9, 2026SaveLearn
Adaptive shape control for microswimmer navigation in turbulenceNavigation in turbulent environments is a fundamental challenge for biological and artificial microswimmers. While most existing studies focus on adapting motility or steering, the role of active…Jingran Qiu, Lorenzo Piro, Luca Biferale et al.·Mar 9, 2026SaveLearn
Modelling Material Injection Into Porous Structures Under Non-isothermal ConditionsIn this work, the Theory of Porous Media (TPM) is employed to model percutaneous vertebroplasty, a medical procedure in which acrylic cement is injected into cancellous vertebral bone. Previously,…Jan-Sören L. Völter, Zubin Trivedi, Andreas Boger et al.·Mar 9, 2026SaveLearn
Meta-PINNs: Meta-Learning Enhanced Physics-Informed Machine Learning Framework for Turbomachinery Flow Predictions under Varying Operation ConditionsCoupling physics with machine learning models has shown great potential for solving fluid dynamics problems governed by partial differential equations. However, conventional methods, such as…Yuling Han, Zhihui Li, Zhibin Yu·Mar 8, 2026SaveLearn
A model for limit-cycle switching in open cavity flowA reduced mathematical model for the flow in an open cavity is presented. The reduction is based on the center manifold theory applied to a perturbation of the original system which allows for a…Prabal S. Negi·Mar 8, 2026SaveLearn
Statistical State Dynamics of Large-Scale Structure Formation in Shallow Water Magnetohydrodynamic TurbulenceZonal jets (ZJ) are prominent coherent structures that spontaneously emerge from the background turbulent state in both stellar and planetary atmospheres. Although formation and maintenance of…Eojin Kim, Brian F. Farrell·Mar 8, 2026SaveLearn
A pair of oblate bubbles rising in-line: a linear stability analysisThe stability of two bubbles rising initially in-line through a viscous liquid is revisited using a global linear stability analysis formulated within an Arbitrary Lagrangian-Eulerian framework,…Wei-Qiang Liu, Jian-Ming Jiang, Jie Zhang·Mar 8, 2026SaveLearn
Weak Singularity of Navier-Stokes Equations Based on Energy Estimation in Sobolev SpaceBased on Dou Huashu's energy gradient theory, this paper focuses on the weak singularity of the incompressible Navier-Stokes (NS) equations in steady, fully developed flows. When the gradient of…Chio Chon Kit·Mar 8, 2026SaveLearn
Stabilization of premixed NH3/H2/air flames via bluff-body flame holdersThe stabilization mechanisms of fully premixed NH3/H2/air flames anchored behind a bluff body are investigated using combined experiments and direct numerical simulations. Particular attention is…Lukas Gaipl, Wei Guan, Ganesh Guggilla et al.·Mar 8, 2026SaveLearn
A Consistent Interface Reconstruction and Coupling Method for Multiphysics SimulationsAccurate representation of interfaces and flux exchange is vital for coupled multiphysics simulations across a broad range of applications. Currently, coupling approaches are limited by the…Ethan Huff, Savio J. Poovathingal·Mar 8, 2026SaveLearn
Improving Hydrodynamic Modeling of Free-Swimming Algae Using a Modified Three-Sphere ApproachThe beating flagella of the green alga Chlamydomonas reinhardtii play a prominent role in cellular mechanics, enabling cells to both displace and sense surrounding fluid. Specifically,…Md Iftekhar Yousuf Emon, Gregorius R. Pradipta, Xiang Cheng et al.·Mar 7, 2026SaveLearn
Exact coherent states underlying chaotic falling-film dynamicsDynamical-systems approaches to spatiotemporal chaos have been developed primarily for single-phase flows, where the system state is defined by bulk velocity fields. Extending these ideas to…Isaac J. G. Lewis, C. Ricardo Constante-Amores·Mar 7, 2026SaveLearn
Topographic Effects on Steady-States of Non-Rotating Shallow FlowsIn this work, we discuss the long-time behavior of non-rotating quasi-2D viscous flows over topographies. We develop a novel theoretical and numerical framework for the analysis of these flows,…Pierpaolo Bilotto, Roberto Verzicco·Mar 7, 2026SaveLearn
A semi-analytical pseudo-spectral method for 3D Boussinesq equations of rotating, stratified flows in unbounded cylindrical domainsWe present a pseudo-spectral method for solving the three-dimensional Boussinesq equations in unbounded cylindrical domains, specifically tailored for rotating, stably stratified flows subject to…Jinge Wang, Philip S. Marcus·Mar 7, 2026SaveLearn
An analytical model for rotors in confined flow across operating regimesRotors operating in confined flows, or blockage, are commonly encountered in wind and water tunnels, as well as in shallow or dense deployments of hydrokinetic turbines. Confinement induces a…I. M. L. Upfal, K. J. McClure, K. S. Heck et al.·Mar 6, 2026SaveLearn
Experimentally Resolving Gravity-Capillary Wave Evolution in Vessels of Unknown Boundary ConditionsThe geometries of surface wave modes are determined by the highly nontrivial interplay of capillarity and wetting effects at the boundaries of their domain. Aside from idealised scenarios, this…Sean M. D. Gregory, Vitor S. Barroso, Silvia Schiattarella et al.·Mar 6, 2026SaveLearn