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, 2026·Top 35%SaveLearn
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, 2026·Top 54%SaveLearn
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, 2026·Top 23%SaveLearn
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, 2026·Top 53%SaveLearn
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, 2026·Top 30%SaveLearn
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, 2026·Top 4%SaveLearn
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, 2026·Top 34%SaveLearn
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, 2026·Top 10%SaveLearn
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, 2026·Top 87%SaveLearn
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, 2026·Top 74%SaveLearn
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, 2026·Top 91%SaveLearn
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, 2026·Top 38%SaveLearn
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, 2026·Top 50%SaveLearn
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, 2026·Top 17%SaveLearn
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, 2026·Top 28%SaveLearn
Direct numerical simulation of NOx formation in turbulent lean premixed hydrogen-air flames under engine-relevant conditionsIn this study, direct numerical simulations (DNS) are employed to investigate NOx formation in turbulent lean premixed hydrogen-air flames under engine-relevant conditions. Various turbulence…Chao Xu, Yiqing Wang, Riccardo Scarcelli·Aug 26, 2026·Top 8%SaveLearn
Quantifying the effect of resonant amplitude and frequency of phononic material vibrations on the coupled fluid-structure interaction dynamics in separated aerodynamic flowsPhononic materials (PMs) with engineered resonances have been leveraged for fluid-structure interaction (FSI) with fluid flow instabilities, yielding beneficial outcomes such as transition delay,…Vinod Ramakrishnan, Arturo M. Burgos, Sangwon Park et al.·Aug 26, 2026·Top 46%SaveLearn
Variational AcousticsMany variational principles for acoustics have appeared in the literature, often introduced in an ad hoc manner by picking and choosing terms in a Lagrangian density to yield a desired…Md Mahmudur Rahman, Ivan C. Christov·Aug 26, 2026·Top 61%SaveLearn
The mass ejected by a bubble bursting from a free dropA bubble bursting at a flat liquid surface ejects droplets only below a critical Ohnesorge number Ohc0.043. We ask how much it ejects when the bath is a drop of finite size. We solve the…Alfonso M. Ganan-Calvo·Aug 26, 2026·Top 7%SaveLearn
Neural-Network and Reduced-order Modeling Workflows for AI-Driven CFD: Fast Response Surfaces, Reduced Dynamics and Jet in Cross-flow ExamplesHighly resolved computational fluid dynamics (CFD) simulations are essential for design but too expensive for dense design-space sampling. This chapter presents an AI-driven CFD workflow that…Kaku E. Eduku, Pavel P. Popov, Gustaaf Jacobs·Aug 26, 2026SaveLearn
A Scalable OpenLB LAMMPS Framework for Fully Resolved Simulations of Hindered Settling of Arbitrary Non-Spherical ParticlesHindered settling of non spherical particles remains significantly less understood than spherical particles due to the computational challenges in resolving the complex contact mechanics and…Varghese Babu, Adrian Kummerländer, Mathias J. Krause et al.·Aug 26, 2026SaveLearn
A Compensated Koopman Neural Operator with Selective State-Space Dynamics for Unsteady FlowsStable prediction of unsteady flows requires accurate multiscale spatial representation and robust temporal propagation. We introduce the Compensated Koopman U-shaped Neural Operator (CoKo-UNO),…Tangying Lv, Yuanjun Dai, Zhenxu Sun·Aug 26, 2026SaveLearn
Fock-Space Representation of the Lebowitz--Frisch--Helfand Kinetic ModelWe develop an exact Fock-space representation of the Lebowitz--Frisch--Helfand kinetic equation. The familiar square-root Maxwellian transformation is used only as a convenient starting point: it…Ilya Karlin·Aug 26, 2026·Top 16%SaveLearn
Vortex filament dynamics and vortex ring motion revisitedThe motion of a slender vortex in ideal incompressible fluid is a classic problem in hydrodynamics. Formulae for the velocity of a vortex ring go back to work of Kelvin, Helmholtz, Hicks and Dyson in…Andrew D Gilbert·Aug 26, 2026·Top 13%SaveLearn
An SPH--mesh Coupling for Vesicle Dynamics in Shear FlowWe present a novel computational framework that couples smoothed particle hydrodynamics~(SPH) with a triangulated membrane mesh to simulate the dynamics of vesicles suspended in fluids. A novel…Kuiliang Wang, Xinwei Cai, Ting Ye et al.·Aug 26, 2026·Top 37%SaveLearn