Intrinsic dynamical shadowing of point vortices and finite time singularitiesThe trajectories of point vortices after a division using reverse collapse route are studied. In this setting, an unexpected peculiar phenomenon appears, corresponding to the shadowing of the vortex…Xavier Leoncini, Perla El Kettani, Edgardo Ugalde·Sep 22, 2026SaveLearn
CFD-Machine Learning Driven Pod Optimization and Staged Pressure-Area Management for Supersonic Evacuated Tube TransportThis study investigates the aerodynamic feasibility of high-speed evacuated tube transport (ETT) using an integrated CFD-machine learning framework for pod geometry optimization and a staged…Jaydip Patel, Dhwanil Shukla·Sep 22, 2026SaveLearn
A unified multirate lattice Boltzmann framework for thermosolutal dendritic solidificationThermosolutal dendritic solidification involves interface evolution, solute diffusion, heat transfer, and melt flow over markedly different time scales. In lattice Boltzmann simulations, a single…Yang Liu, Xiaomin Wu, Chengjie Zhan·Sep 22, 2026SaveLearn
Structural identifiability and stress reconstruction from incomplete optical maps with velocimetryReconstructing the stress field of a planar viscoelastic flow from optical measurements loses its direct evidence wherever optical coverage is interrupted, and no improvement in optical precision…Zijian Liu, Julian Olszewski, Bruce I. Gaynes et al.·Sep 22, 2026SaveLearn
Kolmogorov scale in turbulence of surface gravity wavesIn this paper, we study the analogue of the Kolmogorov scale in surface gravity wave turbulence, characterized by the cutoff wavenumber kc at which the power-law inertial range transitions into…Zhou Zhang, Yulin Pan·Sep 22, 2026SaveLearn
Probing magnetic correlations in anisotropic turbulenceThe topological classes of coherent structures in magnetohydrodynamic turbulence are studied using the irreducible representations of the SO(3) and SO(2) rotation groups. We probe the coherent…Bijita Bose, Somdeep Dey, Soma Sanyal·Sep 21, 2026SaveLearn
Physics-constrained identification of near-flutter aeroelastic damping from finite recordsNear flutter, modal frequency can be well resolved from accumulated phase while the sign of a small modal growth rate remains uncertain because the response envelope changes only weakly over a finite…Carlos Domingo M'endez·Sep 21, 2026SaveLearn
Silk-templated Nanostrips as Superprotonic Fibre SensorsTransforming textile fibres into sensors can facilitate continuous physiological monitoring for improving human healthcare. Coating fibres with electronic conductors can help detect physiological…Jianhui Zhang, Ahmed Salem, Robert Tidswell et al.·Sep 21, 2026SaveLearn
Resolved multiple-droplet evaporationA simple, accurate asymptotic formula is derived for the spatially resolved evaporative flux from multiple spherical-cap droplets of arbitrary contact angle. Kelvin transforms are used to determine…Alexander W Wray·Sep 21, 2026SaveLearn
A high-order ghost-point immersed boundary method coupled with auxiliary differential equations for time-domain impedance wallsA ghost-point immersed boundary method is coupled with auxiliary differential equations to impose a locally-reacting impedance condition on a wall that does not conform to a Cartesian grid, in the…Abdoulaye Ouattara·Sep 21, 2026SaveLearn
High-order immersed boundary method for subsonic aeroacoustics and compressible Navier-Stokes equationsHigh-order immersed boundary method for subsonic aeroacoustics and compressible Navier-Stokes equationsIn computational fluid dynamics, the immersed boundary method is a classical technique to account for complex geometries when Cartesian grids are used, as is the case in finite difference methods.…Abdoulaye Ouattara, David Marx, Christian Prax et al.·Sep 21, 2026SaveLearn
Edge Contact LubricationIn this paper we discuss the dynamics of a lubricating film separating two flat surfaces. It may be possible for the gap between the surfaces to reduce to zero at one point on the boundary in a…Andrew Wilkinson, Michael A. Morgan, Michael Wilkinson·Sep 21, 2026SaveLearn
A closed-form solution for streaming and Lagrangian transport in a deforming circular cavityStreaming from a deforming cavity wall serves micromixing, pumping and particle handling. We solve it in closed form in a two-dimensional circular cavity, for any azimuthal wall mode m, as…Zijian Liu, Julian Olszewski, Yang Lin et al.·Sep 21, 2026SaveLearn
Bubble detachment from circular cavities and flat surfacesWe determine the maximum stable volume of bubbles attached to flat surfaces as a function of contact radius, contact angle, and capillary length. By solving the Young-Laplace equation using a…Ianto Cannon, Stefan Endres, Lutz Mädler et al.·Sep 21, 2026SaveLearn
Impact of a resonator on vortex induced vibrations of a wind turbine airfoilThe aeroelastic instability known as vortex induced vibrations (VIV) has its origin in the coupling of bluff body shedding and the structure dynamics, and can have adverse effects on several…Sergio Horcas, David Roca, Enrique Ortega et al.·Sep 21, 2026SaveLearn
Quantum many-body framework for passive-scalar turbulenceHow spatial structures manifest in multi-time correlations is a fundamental question in turbulence. We develop a non-Hermitian bosonic framework that unifies equal-time anomalous statistics and their…Zhaoyuan Meng, Long Wang, Guowei He·Sep 21, 2026SaveLearn
Multiscale Kinetic Methods for Nonequilibrium Flow and TransportNonequilibrium flow and transport problems are inherently multiscale. Kinetic theory provides a fundamental physical basis for describing such phenomena, since it connects microscopic transport and…Zhaoli Guo, Kun Xu·Sep 21, 2026SaveLearn
Mechanism-Separated Closed-Form Transition Modeling via Field Inversion and Symbolic RegressionNext-generation aircraft, rotorcraft, and wind turbines demand improved aerodynamic efficiency, making drag reduction a central design objective; in transition-sensitive configurations, the extent of…Seunghyun Joo, Younghyo Kim, Kwanjung Yee·Sep 21, 2026SaveLearn
The Positive Defect Problem: Target and Admissibility Criteria for a Programmatic Search for Unforced Navier-Stokes BlowupOn 7 and 8 September 2026 programmatic search produced singularities: a forced Navier-Stokes singularity at every fixed viscosity, statements (C) and (D) of the Clay problem, and two Euler…Jarret Petrillo, James Glimm·Sep 20, 2026SaveLearn
Fluid Flow as Transport of Probability: Entropy, Compressibility, and IrreversibilityThe continuity equation serves as a fundamental principle for mass transport in continuous media. While its mathematical structure mirrors that of probability transport and the Liouville equation, an…Ankit Bhattacharjee·Sep 20, 2026SaveLearn
Physics-Informed Latent Neural Operator for Three-Dimensional Compressor Cascade Flow PredictionA physics-informed latent neural operator framework is proposed for three-dimensional compressor cascade flow prediction. The proposed method combines a Transolver-based latent encoder, which…Yuling Han, Zhihui Li, Zhibin Yu·Sep 20, 2026SaveLearn
Discrete topology sensing in turbulence via signed pairwise graphlets of the velocity gradient tensorA signed pairwise graphlet encoding of the velocity gradient tensor A is introduced as a minimal discrete representation of its off-diagonal structure, and its statistical relationship with…Radouan Boukharfane·Sep 20, 2026SaveLearn
Design of a combined polarimetric and velocimetric measurement for viscoelastic stress, and its constitutive resolving powerA polarimeter does not report stress. It reports a retardance and an azimuth, and converting those to a stress pair fixes both the calibration that is required and the covariance that the subsequent…Zijian Liu, Julian Olszewski, Bruce I. Gaynes et al.·Sep 20, 2026SaveLearn
Hard-Constrained Physics--Informed Neural Network with Adaptive Regional Residual Balancing for the Generalized Falkner--Skan ProblemWe present a physics--informed neural solver for the generalized Falkner--Skan boundary-value problem that combines an exact boundary--admissible trial representation with adaptive regional residual…Mehari Fentahun Endalew, Xiaoming John Zhang·Sep 20, 2026SaveLearn
Wall-modelled large-eddy simulation of turbulent channel flow with unstable stratificationUnstable thermal stratification modifies near-wall momentum and heat transport, causing the mean velocity profile to depart from the classical logarithmic law and complicating wall modelling for…Li-Sheng Jiang, Ao Xu, Heng-Dong Xi·Sep 20, 2026SaveLearn