Convolutional causal learning for aerodynamic flowsThis study aims to capture aerodynamic causality from snapshot data with a time-varying mode decomposition technique referred to as information-theoretic machine learning. The current approach…Ryo Koshikawa, Ryo Araki, Qiong Liu et al.·May 18, 2026SaveLearn
Real-Time Adaptive Feedback Control of a Supersonic Dual-Stream JetAdaptive control is applied to a supersonic dual-stream jet flow comprised of Mach 1.6 core and Mach 1.0 bypass streams that mix to form a supersonic shear layer. The vortices shed are the source of…Melissa Yeung, Yiyang Sun·May 18, 2026SaveLearn
Oscillating Detonation of Liquid AmmoniaLiquid ammonia is a promising carbon-free energy carrier, but its high volatility and low reactivity lead to detonation dynamics that differ significantly from those of liquid hydrocarbons. Using…Wenhao Wang, Zongmin Hu, Peng Zhang·May 18, 2026SaveLearn
Kinetic closure of turbulenceThis letter presents a kinetic closure of the filtered Boltzmann--BGK equation, paving the way toward an alternative description of turbulence. The closure retains the turbulent subfilter stress…Francesco Marson, Orestis Malaspinas·May 18, 2026SaveLearn
An Omni-Temporal Theory for Hydrodynamic Dispersion and Reaction in Porous MediaA frequency-based omni-temporal dispersion theory is developed to capture the transient interplay between diffusion, advection, and reaction during solute transport through porous media. Unlike…Md Abdul Hamid, Kyle C. Smith·May 18, 2026SaveLearn
Side-wall wetting and linear stability of falling filmsWe investigate the influence of side-wall wetting on the linear stability of falling liquid films confined in the spanwise direction. A biglobal stability framework is developed, capturing inertia,…Hammam Mohamed, Jörn Sesterhenn·May 18, 2026SaveLearn
Shear alignment and tensorial Taylor--Aris dispersion of Brownian rods in a circular tubeBrownian rods disperse in pressure-driven flow through a coupling between axial shear, anisotropic translational diffusion and Jeffery--Brownian rotation. Classical tube Taylor--Aris theory treats…Jingsen Feng, Xu Chu·May 17, 2026SaveLearn
Spatio-Temporal Signatures of Intermittency in Helically Rotating Turbulence through Topological Data AnalysisA central challenge in hydrodynamic turbulence is identifying precisely when, and at which length scales, strong turbulent fluctuations (STFs) emerge and develop into intermittent events, which are…Snigdhashree Mallick, Yashwanth Ramamurthi, Shiva Kumar Malapaka et al.·May 17, 2026SaveLearn
Solutocapillary instability in slipping falling filmsWe present a comprehensive framework for gravity-driven, surfactant-laden thin films flowing over slippery substrates, elucidating how wall slip modifies the coupled hydrodynamics and interfacial…Sanghasri Mukhopadhyay, Séverine Millet, Bastien Di Pierro et al.·May 17, 2026SaveLearn
Computational and reduced-order modelling of elastic wave-driven impulse enhancement in pulsed jets through passively flexible nozzlesElastic wave propagation and energy exchange in passively deforming cylindrical nozzles are investigated through three-dimensional, two-way fluid-structure interaction simulations. Flexible nozzles…Daehyun Choi, Paras Singh, Saad Bhamla et al.·May 17, 2026SaveLearn
Confirming Wave Turbulence Predictions in Rotating TurbulenceThough highly impacting our lives, rotating turbulent flows are not well understood. These anisotropic three-dimensional disordered flows are governed by different nonlinear processes, each of which…Omri Shaltiel, Omri Gat, Eran Sharon·May 17, 2026SaveLearn
High-Order ADER-DG Hydrodynamics with ExaHyPE: Implementation, Validation, and Astrophysical BenchmarkingWe describe a high-order ADER-DG solver for the compressible Euler equations within the ExaHyPE framework. The implementation combines a high-order ADER-DG polynomial representation, a local…Andrés Mauricio Suárez Mantilla, Leonardo Castañeda Colorado·May 16, 2026SaveLearn
Rarefaction-induced inflation and similarity breakdown of hypersonic bow shocks over a circular cylinderRarefied hypersonic bow shocks over blunt bodies inflate as the Knudsen number increases, but it remains unclear whether this inflation is a simple shift and broadening of one common shock layer or a…Ehsan Roohi, Ahmad Shoja-Sani·May 16, 2026SaveLearn
On the Poisson-Source Basis of Logarithmic Wall-Pressure-Variance GrowthIn high-Reynolds-number wall-bounded flows, the inner-scaled wall-pressure variance is often represented as a logarithmic increase with frictional Reynolds number. We consider the two sources of…Jonathan M. O. Massey, Joseph C. Klewicki, Beverley J. McKeon·May 16, 2026SaveLearn
Using Physics Informed Neural Network (PINN) and Neural Network (NN) to Improve a k-ω Turbulence Modell flows and flat-plate boundary layers. However, it predicts too low a turbulent kinetic energy. This is a feature it shares with most other two-equation turbulence models. When comparing the terms…Lars Davidson·May 16, 2026SaveLearn
Coarse-grained local available potential energyThe available potential energy (APE) of a fluid can be defined locally in space, providing useful insights into both the energetics and dynamics of stratified flows ranging from three-dimensional…Jacob O. Wenegrat, Tomas Chor, Roy Barkan·May 15, 2026SaveLearn
Bounce or coalescence : a physical learning frameIn this study, we develop an interface-contact simulation framework based on physical criteria and machine-learning-assisted classification to describe coalescence and bouncing within a unified…J. H. Xu, Z. L. Wang·May 15, 2026SaveLearn
Revisiting the Frictional Control of the Antarctic Circumpolar Current From the Energy DiagramThe transport of the Antarctic Circumpolar Current (ACC) has been shown to increase with friction. Previous studies explained this counter-intuitive relationship called frictional control based on…Takuro Matsuta, Yuki Tanaka, Atsushi Kubokawa·May 15, 2026SaveLearn
Assessing engineering wake models against operational data: insights from the Lillgrund wind farm wake steering campaignValidating engineering wake models under real-world operational conditions is essential for improving wind farm performance predictions. This study uses a unique dataset from the Lillgrund offshore…Diego Siguenza-Alvarado, Matthew Harrison, Mohammadreza Mohammadi et al.·May 15, 2026SaveLearn
Structures of elastoinertial turbulence in pipe flowElastoinertial turbulence (EIT) is a self-sustaining chaotic state resulting from the interplay between inertia and elasticity in the flow of dilute polymeric solutions, and its emergence is believed…Manish Kumar, Michael D. Graham·May 15, 2026SaveLearn
Localization of sources in weakly nonlinear fluid systems using linear and quadratic sensitivity analysisWe develop a framework for localized source detection in dynamical systems governed by nonlinear partial differential equations based on first and second-order sensitivity analysis. Building on the…Qi Wang, Zejian You·May 15, 2026SaveLearn
Toward a unified data-driven turbulence model through multi-objective learningTurbulence remains one of the last unresolved problems of classical physics and a major bottleneck to accurate flow prediction in climate, aerospace, and energy systems. Industrial simulations…Zhuoran Liu, Haochen Wang, Zhuolin Zhao et al.·May 15, 2026SaveLearn
Mixing Fronts in Smooth Chaotic FlowsScalar mixing fronts develop at the interface of agitated fluids of different solute concentrations. In such fronts, scalar fluctuations form at both microscopic and macroscopic scales, due to…Heyman Joris, Le Borgne Tanguy, Lester Daniel·May 15, 2026SaveLearn
On the stability of an in-line formation of hydrodynamically interacting flapping platesThe motion of several plates in an inviscid and incompressible fluid is studied numerically using a vortex sheet model. Two to four plates are initially placed in-line, separated by a specified…Monika Nitsche, Anand U. Oza, Michael Siegel·May 15, 2026SaveLearn
On the fundamental solution for viscous internal waves and Brinkman flows. Part 1. Two dimensionsWe obtain the viscous and diffusive fundamental solution for monochromatic internal waves in a uniformly stratified medium and for anisotropic Brinkman flow. These solutions take the form of single…Saikumar Bheemarasetty, Stefan G. Llewellyn Smith·May 14, 2026SaveLearn