Data-driven control of a magnetohydrodynamic flowWe demonstrate the feedback control of a weakly conducting magnetohydrodynamic (MHD) flow via Lorentz forces generated by externally applied electric and magnetic fields. Specifically, we steer the…Adam Uchytil, Milan Korda, Jiří Zemánek·Jul 10, 2025SaveLearn
Three-dimensional and clap-and-fling effects on a pair of flapping wings used for thrust generationThis research investigates the three-dimensional effects of flow around a pair of flapping wings undergoing clap-and-fling interactions through harmonic in-plane motions combining pitching, heaving,…Antoine Papillon, Mathieu Olivier·Jul 10, 2025SaveLearn
The interscale behaviour of uncertainty in three-dimensional Navier-Stokes turbulenceWe derive the scale-by-scale uncertainty energy budget equation and demonstrate theoretically and computationally the presence of a self-similar equilibrium cascade of decorrelation in an inertial…Jin Ge, Joran Rolland, John Christos Vassilicos·Jul 9, 2025SaveLearn
A Study of Non-linear Flows and Shear Banding in Wormlike Micelles Under Varying Elasticity, Flow Curvature, and Surfactant ChemistryWe report the flow dynamics of two shear-banding wormlike micellar solutions with distinct surfactant chemistries in a Taylor-Couette (TC) setup following a startup shear. The solutions, formulated…Alfredo Scigliani, Hadi Mohammadigoushki·Jul 9, 2025SaveLearn
Direct numerical simulations of the supersonic Taylor--Green vortex via the Boltzmann equationWe explore the dynamics of the three-dimensional compressible Taylor--Green vortex from the perspective of kinetic theory by directly solving the six-dimensional Boltzmann equation. This work studies…Tarik Dzanic, Will Trojak, Luigi Martinelli·Jul 9, 2025SaveLearn
Analysis of the stability of an immersed elastic surface using the method of regularized StokesletsA linear stability analysis of an elastic surface immersed in a viscous fluid is presented. The coupled system is modeled using the method of regularized Stokeslets (MRS), a Lagrangian method for…Dana Ferranti, Sarah D. Olson·Jul 9, 2025SaveLearn
Surrogate Model for Heat Transfer Prediction in Impinging Jet Arrays using Dynamic Inlet/Outlet and Flow Rate ControlThis study presents a surrogate model designed to predict the Nusselt number distribution in an enclosed impinging jet arrays, where each jet function independently and where jets can be transformed…Mikael Vaillant, Victor Oliveira Ferreira, Wiebke Mainville et al.·Jul 9, 2025SaveLearn
Probabilistic thresholds of turbulence decay in transitional shear flowsLinearly stable shear flows first transition to turbulence in the form of localised patches. At low Reynolds numbers, these turbulent patches tend to suddenly decay, following a memoryless process…Daniel Morón, Alberto Vela-Martín, Marc Avila·Jul 9, 2025SaveLearn
Ideal incompressible axisymmetric MHD: Uncovering finite-time singularitiesWe provide compelling numerical evidence for the development of (potential) finite-time singularities in the three-dimensional (3D) axisymmetric, ideal, incompressible magnetohydrodynamic (IMHD)…Venkata Sai Swetha Kolluru, Rahul Pandit·Jul 9, 2025SaveLearn
Role of Transient Dynamics in Dripping-Jetting Transition in Newtonian FluidsDripping dynamics has been well studied over the past century and forms a classic example of chaotic system in physics. With an increase in the inlet flow rate, periodic droplet formation from a…Kishorkumar Sarva, Tejas G Murthy, Gaurav Tomar·Jul 9, 2025SaveLearn
Green function and singularities in Stokes flow confined by cylindrical wallsIn this article, the Green function for the Stokes flow in the interior, exterior, and annular regions bounded by cylindrical walls is derived as a function of the pole position and expressed…Giuseppe Procopio·Jul 9, 2025SaveLearn
On physical considerations regarding development and validation of Heat Flux Partitioning models: Application to vertical boiling flows simulationsAs part of a critical assessment of wall boiling modeling through Heat Flux Partitioning approach, a new model dedicated to vertical boiling flows is proposed, with a revisited partitioning including…Luc Favre, Catherine Colin, Stéphane Pujet et al.·Jul 9, 2025SaveLearn
Bubble-assisted micromixing via thermally excited intrinsic air within microfluidic systemsThe micromixing process in microfluidic devices is of central importance in quite a few applications, with microfluidic studies on carbon capture and environmental monitoring being two examples. High…Seyed Shahriar Riazi, Seyed Mostafa Hosseinalipour·Jul 9, 2025SaveLearn
Scatterless interferences: Delay of laminar-to-turbulent flow transition by a lattice of subsurface phononsWave interference has historically relied on scattering objects placed within the wave domain. Here, we introduce a fundamentally new mechanism: scatterless interference induced by a lattice of…Mahmoud I. Hussein, David Roca, Adam R. Harris et al.·Jul 9, 2025SaveLearn
Thermo-viscous instability of flow in a weakly heat-conducting channelAn instability may arise when a hot viscous fluid enters a thin gap and cools through heat transfer to a colder surrounding environment. Fluids whose viscosity increases strongly upon cooling create…Federico Lanza, Gaute Linga, Fabian Barras et al.·Jul 8, 2025SaveLearn
Sliding of a liquid spherical drop in an external fluid: a generalization of the Hadamard-Rybczynski equationAn analytical solution is obtained for the problem of the slow movement of a small drop of liquid in another immiscible liquid in an infinitely large reservoir with the boundary condition of partial…Peter Lebedev-Stepanov·Jul 8, 2025SaveLearn
Synthetic Turbulence via an Instanton Gas ApproximationSampling synthetic turbulent fields as a computationally tractable surrogate for direct numerical simulations (DNS) is an important practical problem in various applications, and allows to test our…Timo Schorlepp, Katharina Kormann, Jeremiah Lübke et al.·Jul 8, 2025SaveLearn
Emergent dynamical scaling in the inviscid limit of 3D stochastic Navier-Stokes equation with thermal noiseIn this work, we investigate the Navier-Stokes equation in the presence of thermal noise, both at finite viscosity (revisiting the seminal work by Forster-Nelson-Stephen) and in the inviscid limit,…Liubov Gosteva, Marc Brachet, Léonie Canet·Jul 8, 2025SaveLearn
Formation and fragmentation of nylon fibre aggregatesThe aggregation process of fibers suspended in a fluid remains an open question, despite its critical role in numerous natural and industrial processes. This paper presents an experimental setup…Gey, Le Gal, Verhille·Jul 8, 2025SaveLearn
Boundary-layer modeling of polymer-based acoustofluidic devicesIn fluid-filled microchannels embedded in solid devices and driven by MHz ultrasound transducers, the thickness of the viscous boundary layer in the fluid near the confining walls is typically 3 to 4…Sazid Z. Hoque, Henrik Bruus·Jul 8, 2025SaveLearn
Quantum-Inspired Tensor-Network Fractional-Step Method for Incompressible Flow in Curvilinear CoordinatesWe introduce an algorithmic framework based on tensor networks for computing fluid flows around immersed objects in curvilinear coordinates. We show that the tensor network simulations can be carried…Nis-Luca van Hülst, Pia Siegl, Paul Over et al.·Jul 7, 2025SaveLearn
OGF: An Online Gradient Flow Method for Optimizing the Statistical Steady-State Time Averages of Unsteady Turbulent FlowsTurbulent flows are chaotic and unsteady, but their statistical distribution converges to a statistical steady state. Engineering quantities of interest typically take the form of time-average…Tom Hickling, Jonathan F. MacArt, Justin Sirignano et al.·Jul 7, 2025SaveLearn
Deriving thin-film averaged equations using computer algebraWe demonstrate the use of computer algebra for facilitating the derivation of thin film reduced-order models. We focus on the weighted residual integral boundary layer (WRIBL) method, which has…Swarnaditya Hazra, Jason R. Picardo·Jul 7, 2025SaveLearn
Stability analysis of transitional flows based on disturbance magnitudeWe propose a novel stability criterion for incompressible shear flows by combining input-output analysis and the small-gain theorem. The criterion yields an explicit threshold on the magnitude of…Ofek Frank-Shapir, Igal Gluzman·Jul 7, 2025SaveLearn
A Multiscale Camassa--Holm EquationA system of equations for Multiscale Geodesic Flow (MGF) is introduced whose solutions illustrate the paradigm of whorls within whorls within whorls, introduced by L. F. Richardson in 1922 to…Darryl D Holm, Maneesh Kumar Singh·Jul 7, 2025SaveLearn