Fourth branch of instability of Stokes' wave and dependence of corresponding growth rate on nonlinearityThrough a massive computation we reached the fourth superharmonic instability branch of the Stokes' wave. Using the obtained results we checked phenomenological formulae for the dependence of the…A. O. Korotkevich, A. O. Prokofiev·Nov 20, 2025SaveLearn
From nature to engineering: Bio-inspired spacer solutions for membrane distillationBiomimetic design principles, inspired by the structure of alligator osteoderms, are employed to provide innovative solutions for enhancing membrane distillation system performance. A novel spacer…Alaa Adel Ibrahim, Stephan Leyer·Nov 20, 2025SaveLearn
Local and global bifurcations to large-scale oblique patterns in inclined layer convectionIn the inclined layer convection system, thermal convection in a Rayleigh--Bénard cell tilted against gravity, the flow is subject to competing buoyancy and shear forces. For varying inclination…Zheng Zheng, Sajjad Azimi, Florian Reetz et al.·Nov 20, 2025SaveLearn
Objective detection of coherent vortices from instantaneous flow dataVortices are swirling regions of fluid that structure motion in gases and liquids across a wide range of scales, from laboratory-scale experiments to vast atmospheric currents. They play a key role…Tiemo Pedergnana, Florian Kogelbauer·Nov 19, 2025SaveLearn
Consistency requirement of data-driven subgrid-scale modeling in large-eddy simulationData-driven subgrid-scale (SGS) modeling in the large-eddy simulations (LES) suffers from the inconsistency between the a priori tests and the a posteriori tests, which make training…Xinyi Huang, Sze Chai Leung, H. Jane Bae·Nov 19, 2025SaveLearn
Periodic modulation of the space-filling nature of the turbulent flame leads to spiky heat release oscillationsSpiky oscillations are characterized by slow-fast dynamics and are observed in excitable media such as neuronal membranes and cardiac cells. In a turbulent reactive flow system, we observe that the…Sivakumar Sudarsanan, Manikandan Raghunathan, Shwetha Viswesh et al.·Nov 19, 2025SaveLearn
Towards Streaming Prediction of Oscillatory Flows: A Data Assimilation and Machine Learning ApproachData-driven methods have demonstrated strong predictive capabilities in fluid mechanics, yet most current applications still focus on simplified configurations, often characterised by statistical…Miguel M. Valero, Marcello Meldi·Nov 19, 2025SaveLearn
Modeling the influence of interactions on different variables in a turbulent thermoacoustic systemTurbulent reacting flows confined to ducts are plagued by thermoacoustic instability, a state in which a positive feedback between flow, flame and acoustic perturbations leads to the emergence of…Aneesh Srivatsa, Shruti Tandon, Andrea Elizabeth Biju et al.·Nov 19, 2025SaveLearn
A new instability driven by the combined effect of wind stress and rotation in a sheared liquid layerWe examine the linear stability of a shear flow driven by wind stress at the free surface and rotation at the lower boundary, mimicking oceanic flows influenced by surface winds and rotation of…S. Preethi, Ankush Kamboj, Ramkarn Patne et al.·Nov 19, 2025SaveLearn
Computational and Experimental Comparison of CLF5605 and roamx-0201 Martian Helicopter Rotor AirfoilsThis study compares aerodynamic performance of the CLF5605 rotor airfoil -- which flew on Ingenuity from 2021 to 2024 -- with that of a new optimized roamx-0201 airfoil designed for Martian…Lidia Caros, Witold J. F. Koning, Takayuki Nagata et al.·Nov 18, 2025SaveLearn
Solving Navier-Stokes Equations Using Data-free Physics-Informed Neural Networks With Hard Boundary ConditionsIn recent years, Physics-Informed Neural Networks (PINNs) have emerged as a powerful and robust framework for solving nonlinear differential equations across a wide range of scientific and…Ritik Pal, Soubhik Mukherjee, Urmi Dutta et al.·Nov 18, 2025SaveLearn
Metric Geometry Governs Optimal Control in Driven Stokes Flows: Magnetic Driving and BeyondIn a canonical Stokes flow geometry, the Hele-Shaw cell, we show that tunable circulations induced by Lorentz forces in a conducting fluid enable particle control. We reveal that energy-optimal…Kyle McKee·Nov 18, 2025SaveLearn
Micro-Macro Simulation of Shallow Water Moment EquationsShallow flows are governed by the Navier-Stokes equations. They are commonly modelled using the shallow water equations, a great simplification of the Navier-Stokes equations, which often yields…Vilém Rožek·Nov 18, 2025SaveLearn
Slip length estimation for flow over lubricant-impregnated surfaceLubricant-impregnated surfaces (LIS) and superhydrophobic surfaces (SHSs) are known to passively reduce drag over a surface, which, with a suitable design such as the ribbed texture, can also steer…Vishal Goyal, Subhra Datta·Nov 18, 2025SaveLearn
Dynamic Stall Characteristics and Modelling of Time-Varying Pitching KinematicsWe present an experimental investigation examining how the complexity of pitching kinematics influences dynamic stall characteristics, including the stall delay and aerodynamic force response. The…Sahar Rezapour, Karen Mulleners·Nov 18, 2025SaveLearn
Identification of triadic phase coupling in wall-bounded turbulence using the bispectrumThe direction and magnitude of energy transfer between turbulence scale brought about by external forcing on a turbulent boundary layer are uncovered through the bispectrum, bicoherence, and biphase.…Clayton P. Byers, Subrahmanyam Duvvuri·Nov 17, 2025SaveLearn
Spontaneous Emergence of Solitary Waves in Active Flow Networks with Elastic ElementsFlow networks are fundamental for understanding systems such as animal and plant vasculature or power distribution grids. These networks can encode, transmit, and transform information embodied in…Rodrigo Fernández-Quevedo García, Gonçalo Cruz Antunes, Jens Harting et al.·Nov 17, 2025SaveLearn
Statistical field theory for a passive vector model with spatially linear advectionOne challenge in developing a statistical field theory of turbulence is the analysis of the functional equations that govern the complete statistics of the flow field. Simplified models of turbulence…Lukas Bentkamp, Michael Wilczek·Nov 17, 2025SaveLearn
Role of partial stable stratification on the onset of rotating magnetoconvection with a uniform vertical fieldThis study examines the onset of rotating magnetoconvection under an axially imposed magnetic field in the presence of partial thermal stable stratification. Three stratification models-fully…Tirtharaj Barman, Swarandeep Sahoo·Nov 17, 2025SaveLearn
Role of partial stable stratification on the onset of rotating magnetoconvection with a uniform horizontal fieldTo explore the combined effects of partial thermal stable stratification and magnetic back-reaction within Earth's tangent cylinder, we study the onset of magnetoconvection in an infinite plane layer…Tirtharaj Barman, Arpan Das, Swarandeep Sahoo·Nov 17, 2025SaveLearn
Instability and breaking of internal waves in a horizontal shear layerThe behaviour of internal waves propagating in a background shear flow is studied in the case where the direction of shear is orthogonal to gravity. Ray-tracing theory is used to predict properties…Samuel F. Lewin, Alexis K. Kaminski, Arun Balakrishna et al.·Nov 17, 2025SaveLearn
Hydrodynamic Instability Induces Spontaneous Motion of Floating Ice DiscsSpinning ice discs in nature have been reported for more than a century, yet laboratory experiments have yielded diverse observations and contradictory explanations, leaving the mechanism behind the…Min Li, Lailai Zhu·Nov 17, 2025SaveLearn
Extreme Aerodynamics: A Data-Driven PerspectiveWhile experiencing atmospheric turbulence on a commercial flight can be uncomfortable, it rarely compromises the stability of the aircraft. The situation is quite different for small air vehicles…Kunihiko Taira·Nov 17, 2025SaveLearn
Electroviscous effects in electrolyte liquid flow through an oppositely-charged contraction-expansion microfluidic slit deviceElectrokinetic flows in microchannels with opposite charge asymmetry, i.e., unequal and contrasting surface charges on opposing channel walls, significantly influence microfluidic hydrodynamics and…Jitendra Dhakar, Ram Prakash Bharti·Nov 17, 2025SaveLearn
Unconfined flow of a non-Newtonian power-law fluid past counter-rotating circular cylindersThis study numerically examines the steady unconfined laminar flow of incompressible non-Newtonian power-law fluids past a pair of side-by-side counter-rotating circular cylinders using the finite…Lekhraj Malviya, Ram Prakash Bharti, Abhishek Kumar Lal·Nov 17, 2025SaveLearn