Internal heating in rapidly rotating convection is not a shortcut to geostrophic turbulenceConvective turbulence in planets and stars is often driven by internal heating. This forcing mechanism has also been proposed as a means of accessing the diffusion-free scalings of the geostrophic…Justin A. Nicoski, Tobias G. Oliver, Stefano Maffei et al.·Aug 28, 2026SaveLearn
Compaction in a deformable porous cylinder with elastic boundariesPerfusion of soft materials such as biological tissue or hydrogels is essential for the functioning of organ and laboratory systems such as chromatographic columns and bioreactors. Inspired by these…Richard Mcnair, Kerstin Schirrmann, Anne Juel et al.·Aug 28, 2026SaveLearn
A physics-constrained machine-learning sub-grid-scale modeling approach for turbulent premixed flamesA physics-embedded training framework is used to close the sub-grid-scale dynamics of turbulent premixed flames. The trained model augments the resolved flow equations and is trained to match its…Seung Won Suh, Jonathan F. MacArt, Luke N. Olson et al.·Aug 28, 2026SaveLearn
LES of iron-powder combustion in a jet-in-hot-coflow burner - Insights on flame structure and ignition characteristicsMicron-sized iron powders are a rapidly advancing novel energy storage technology. In order to improve the design of real-world iron-powder combustors, adequate understanding of the ignition behavior…Shyam Hemamalini, XiaoCheng Mi·Aug 28, 2026SaveLearn
Unsteady airfoil aerodynamics in attached flow: From unsteady thin airfoil theory to wind turbine applicationAttached-flow unsteady aerodynamics underpin the dynamic stall models used in wind turbine aerodynamic and aeroelastic codes, particularly over the outboard blade region that dominates power…Ang Li, Mac Gaunaa, Georg Raimund Pirrung·Aug 28, 2026SaveLearn
Inclination-Induced Crossover in the Velocity Scaling of Lubrication-Mediated Droplet MotionWe experimentally investigate the creeping motion of water droplets sliding along an inclined surface immersed in a viscous oil. The droplet velocity, width, and height are measured over a broad…Haruka Hitomi, Ko Okumura·Aug 28, 2026SaveLearn
A high-order polynomial-corrected shifted boundary method for simulating fully nonlinear water wavesWe present a novel unfitted computational framework for simulating fully nonlinear potential flow-based water waves. Focusing on wave propagation, we describe the core methodology, which involves a…Jens Visbech, Allan P. Engsig-Karup, Harry B. Bingham et al.·Aug 28, 2026SaveLearn
How Surface Viscoelasticity Eliminates Satellite DropsSatellite drops form widely during the breakup of liquid threads and constitute deleterious byproducts across a broad range of industrial technologies, yet their complete suppression has remained a…Xiaocong Yang, Qingfei Fu, Lijun Yang et al.·Aug 28, 2026SaveLearn
Validation of quasi-two-dimensional model of convection in a transverse magnetic fieldIn this study we examine applicability of the quasi-two-dimensional (Q2D) model of natural convection in a laterally heated rectangular box subject to a transverse magnetic field. For this purpose,…Alexander Gelfgat·Aug 28, 2026SaveLearn
High-Order CFD Modeling of Rotating Actuator Line SystemsHigh-order computational fluid dynamics (CFD) methods combined with actuator-based blade representations provide an attractive approach for simulating rotating energy systems. In this work, we…Abdullah Al Imran, Meilin Yu·Aug 28, 2026SaveLearn
High-order stabilized matrix-free simulation of rotating mixing devices using the Mortar Element MethodWe present a finite element framework to simulate rotating mixing devices using the Mortar Element Method as a domain decomposition strategy. The model is implemented within a matrix-free…B. Campos, P. Munch, V. O. Ferreira et al.·Aug 27, 2026SaveLearn
How well can Diffusion Models learn Lagrangian-Tracer Statistics in Non-reciprocal Turbulence?Recent advances in generative artificial intelligence have led to significant potential applications in conventional fluid flows, including those that are turbulent. Can these methods be carried over…Pratyush Jha, Biswajit Maji, Rahul Pandit·Aug 27, 2026SaveLearn
Dynamical slowdown, bottlenecks, and multiscaling in Voigt-regularised turbulenceWe investigate bottleneck formation in turbulence using the Voigt-regularised SABRA model and DNS of the corresponding Voigt-Navier-Stokes (NSV) equations. The Voigt regularisation introduces a…Anikat Kankaria, Bikram Pal, Edriss S. Titi et al.·Aug 27, 2026SaveLearn
Energy transfer and scale organisation in dense canopy turbulenceThis study identifies the scale-dependent processes that sustain turbulence in dense submerged canopy flows. Using a scale-resolved energy budget, we determine where in space and at which scales…Riccardo Bertoncello, Alessandro Chiarini, Giulio Foggi Rota et al.·Aug 27, 2026SaveLearn
Stochastic Transport and Wave Interactions for Multiscale Surface Gravity Waves: Part II: Kinetic Theory and Ocean-Wave ApplicationsBuilding on the stochastic variational framework established in the companion paper, we investigate here the linearized stochastic water-wave system, consisting of a large-scale stochastic wave…E. Mémin, B. Chapron, A. Debussche et al.·Aug 27, 2026SaveLearn
High-resolution in situ analysis of biomass pyrolysis by combining quantitative synchrotron μCT and 3D particle-resolved simulationsUnderstanding the coupling between transport, chemical kinetics, and structural response within solid fuel combustion requires in situ measurements at high spatial resolution. To examine the dynamics…Emeric Boigné, Mohamed M. Ahmed, Collin Foster et al.·Aug 27, 2026SaveLearn
Quantum-Inspired Computational Fluid Dynamics for Transient Turbulent Compressible FlowsQuantum-inspired algorithms are an emerging class of algorithms for computational fluid dynamics (CFD) with potentially favourable scaling for large problems compared to classical methods. However,…Shang Xian Matthew Lee, Melissa Kozul, Muhammad Usman et al.·Aug 27, 2026SaveLearn
Turbulent diffusivity and effective rise velocity of buoyant particles in a free-surface boundary layerPredicting the transport of buoyant particles in a free-surface boundary layer is important to the study of many environmental systems, including microplastics in the upper ocean. Current transport…Julio E. Chávez-Dorado, Lucia J. Baker, James J. Riley et al.·Aug 27, 2026SaveLearn
Density Field of Dilute Particle Flow in Two-Fluid Model with Incompressible Carrier FlowWe clarify some mathematical features of the density of a dilute particle flow on a body surface in a two-fluid model, with a view toward its application to icing simulations. Inviscid solutions in…Kazuhiro Tsuboi·Aug 27, 2026SaveLearn
Linear and Nonlinear Latent-Space Reduced-Order Models for the Rayleigh--Taylor InstabilityWe use a large database of direct numerical simulations to investigate the transition of the Rayleigh--Taylor instability to turbulence and its evolution toward a late-time self-similar regime. In…Téo Granger, Balu Nadiga, Benoît-Joseph Gréa et al.·Aug 27, 2026SaveLearn
Gravity current fronts advancing along a heated wallThe propagation of sustained Boussinesq gravity-current fronts along a heated wall is examined through laboratory experiments. The gravity currents are generated by continuously supplying a mixture…Stefano Lanzini, Mathieu Creyssels, Massimo Marro et al.·Aug 27, 2026SaveLearn
SnapPINN: Pressure and Energy Dissipation Reconstruction from a Sparse and Noisy Velocity SnapshotReconstructing pressure and turbulence quantities from experimental velocity measurements is challenging, especially without time-resolved data. Furthermore, limitations such as low seeding density,…Robin Barta, Christian Bauer, Gholamhossein Bagheri·Aug 27, 2026SaveLearn
Z-Fold Wing Aeroelasticity: Compositional Modeling, 1:2 Double-Hopf Dynamics, and Nonlinear Stiffness EffectsFolding changes the linearized aeroelastic spectrum and can switch which mode becomes unstable first, with consequences for local postflutter interactions. This study formulates a three-component…Gelin Chen, Haolin Yang, Chen Song et al.·Aug 27, 2026SaveLearn
Resolvent analysis to inform viscoelastic coatings for turbulent drag reductionViscoelastic compliant coatings offer a passive route to modify wall-bounded turbulence; however, their effectiveness for drag reduction remains unresolved. We perform resolvent analysis of turbulent…Soumen Chakravarty, Venkat Narayanaswamy·Aug 27, 2026SaveLearn
The ultimate state of elastic turbulenceThe asymptotic properties, with vanishing viscosity, of inertial turbulence in Newtonian fluids have been of intense scrutiny over the years. Much less is known about elastic turbulence - a distinct…Piyush Garg, Marco Edoardo Rosti·Aug 27, 2026SaveLearn