Deformation dynamics of Oldroyd B drop in alternating electric fieldThe deformation of viscoelastic drops in alternating electric fields is relevant to electrohydrodynamic applications such as microfluidics, inkjet printing, and drop manipulation. We investigate the…Sarika Shivaji Bangar, Gaurav Tomar·Aug 9, 2026SaveLearn
Data-Driven Surrogate Modeling for Micromixing of Non-Newtonian Fluids in Sinusoidal Converging-Diverging MicrochannelsMicromixing of non-Newtonian fluids remains challenging because laminar flow at microscales restricts transverse transport primarily to molecular diffusion. In this study, we investigate the…Kritagya Sharma, Bimalendu Mahapatra·Aug 9, 2026SaveLearn
K41 Scaling in Bubble-Induced Turbulence Arises from Single-Bubble WakesWe use high-resolution, interface-resolved direct numerical simulations (DNS) to investigate the origin of Kolmogorov (K41) scaling in bubble-induced turbulence (BIT). Region-wise velocity structure…Dabao Li, Zhilong Jin, Guangzhao Zhou·Aug 9, 2026SaveLearn
Correlated collisions and history filtering: unraveling and reproducing the statistics of coalescing particles in turbulence from the ghost-particle frameworkThis is the first in a series of papers aimed at understanding the statistics of coalescing particles in turbulent flow and their relation to collisionless ghost particles. We perform three families…Fanxi Gong, Ewe-Wei Saw·Aug 9, 2026SaveLearn
Eikonal Regularisation in Physics-Informed Neural Networks for Three-Dimensional Level-Set Advection: Transferability of Two-Dimensional Design PrinciplesPhysics-informed neural networks applied to the level-set formulation of interface advection commonly augment the residual and initial-condition losses with an eikonal regulariser, penalising the…Muhammad Akbar Khan·Aug 8, 2026SaveLearn
Finite basis physics-informed neural networks with hard constraints for viscous fluid flow in highly perforated domainsIn this work, viscous fluid flow governed by the Stokes equations in highly perforated domains is studied using physics-informed neural networks (PINNs). Perforated microstructures induce complex…Jeeeun Lee, Denis Korolev, Miro Duhovic et al.·Aug 8, 2026SaveLearn
Splashing velocity of a viscous liquid squeezed between two parallel disksSqueezing of a liquid film between two approaching solid surfaces can generate a high-speed peripheral splash. Despite extensive studies on squeeze-film hydrodynamics, quantitative prediction of the…Navin Kumar Chandra, Pierre Perrier, David Brutin·Aug 8, 2026SaveLearn
Set-up and Characterisation of Atmospheric Boundary Layers in the 10'x5' Wind TunnelThe Atmospheric Boundary Layer (ABL) plays a critical role in influencing objects exposed to atmospheric conditions, making its study crucial. Due to the high cost of real-world testing, this thesis…Sita M. Nair, Kevin Gouder·Aug 7, 2026SaveLearn
Fluid-Structure Interaction and Underwater Hydrostatic Implosion of Thin-Walled Metallic Cylinders in Semi-Confined ConditionsThis study presents a comprehensive numerical investigation of the dynamic behavior and fluid-structure interactions (FSI) of metallic cylinders undergoing hydrostatic collapse in semi-confined fluid…Bolaji Oladipo, Helio Matos, Arun Shukla et al.·Aug 7, 2026SaveLearn
Efficient three-dimensional variational data assimilation of multi-plane PIV dataWe perform three-dimensional variational data assimilation (3DVar) using a discrete adjoint approach to optimise the time-averaged momentum equations. The experimental data consist of sparse…Uttam Cadambi Padmanaban, Samaresh Midya, Ping He et al.·Aug 7, 2026SaveLearn
Autoregressive rollout error in latent-space reduced-order models of bluff-body wakes is accumulated phase driftAutoregressive reduced order models suffer from compounding long horizon rollout errors, typically treated as unstructured noise. We demonstrate that for bluff body wakes across Re=100 to 800, this…Suvam Samanta, Sachidananda Behera·Aug 7, 2026SaveLearn
Transient Electrical Response Beyond Quasistatic Capacitance at Mechanically Excited Droplet--Dielectric InterfacesDynamic electrowetting of conducting droplets under mechanical deformation is conventionally modeled as a quasi-static variable-capacitance system, in which the electrical response is assumed to be…Pramodt Srinivasula, Rameez Raja Khan, Diwakar Singh et al.·Aug 7, 2026SaveLearn
VENUSS: a unified finite-element model of solidifying lavaThe development of a solid rind or carapace at the surface of lava flows and domes results in a transition in deformation mechanism from dominantly viscous to elastic or plastic. This transition has…Janine Birnbaum, Einat Lev, Marc W. Spiegelman et al.·Aug 7, 2026SaveLearn
A Wind Turbine Efficiency Limit Higher than the Lanchester (Betz) LimitA generalized actuator-disk analysis is developed that retains both the axial and tangential velocity components of the flow through the blade passage. Unlike the classical one-dimensional…Thad S. Morton·Aug 7, 2026SaveLearn
On the wake and flapping dynamics of different aspect ratio flagsThe flapping of flags is a classical problem involving fast and large amplitude deformations of a thin flexible plate and unsteady flow phenomena. We perform systematic time and space-resolved…Gaétan Raynaud, Karen Mulleners·Aug 7, 2026SaveLearn
Explanation of constant mean angular momentum in high-Reynolds-number Taylor--Couette turbulence in terms of history effectsThis study discusses the mechanism of the emergence of nearly constant mean angular momentum profiles, which are widely observed in curved turbulent flows including the bulk region of Taylor--Couette…Kazuhiro Inagaki, Yasufumi Horimoto·Aug 7, 2026SaveLearn
A Symplectic Theory of Turbulence Closure: Hidden Reservoir Dynamics, Endogenous Stochastic Transport, and Kraichnan Dual CascadesSubgrid-scale parameterization of 2D turbulence must preserve the geometry enabling the dual cascade. Classical and data-driven closures often lack the symmetries required for online stability. We…Mickaël D. Chekroun, James C. McWilliams·Aug 6, 2026SaveLearn
Effect of Chordwise Flexibility Distribution on Wave-Assisted Flapping Foil PerformanceThis study investigates the influence of the spatial distribution of flexibility along a propulsor on thrust generation and propulsive efficiency in wave-assisted flapping foils. While flexibility is…Lokesh Silwal, Neel Karani, Anchal Sareen·Aug 6, 2026SaveLearn
Nonisothermal Shock Structure and Universal Flow-Index Thresholds in a Hyperbolic Power-Law FluidWe investigate whether the two flow-index thresholds previously found for isothermal shock profiles persist when the full nonisothermal dynamics is taken into account in a hyperbolic power-law…Tommaso Ruggeri·Aug 6, 2026SaveLearn
Emergence of chaos and fractality in the basin boundary of subcritical shear flowFrom a dynamical systems perspective of subcritical transition in shear flows, the basin boundary separating the laminar and turbulent attractors, along with the edge state that governs the long-term…Baoying Wang, Roger Ayats, Kengo Deguchi et al.·Aug 6, 2026SaveLearn
Three-layer water flows: Dirichlet-Neumann operators and approximationsThe object of investigation in this paper are the nonlinear equations of motion for two-dimensional inviscid water flows with piecewise constant density stratification in a three-layer fluid with a…Rossen Ivanov, Calin-Iulian Martin·Aug 6, 2026SaveLearn
From expansion to collapse: Bubble and continuum multiscale modeling in open-system magmasBubble growth in silicate melts drives significant volume expansion, which has a first order control on magma transport dynamics. When magmas are exposed to external environments, heat and volatile…Janine Birnbaum, Fabian B. Wadsworth, Anthony Lamur et al.·Aug 6, 2026SaveLearn
Wave scattering around a submerged vertical permeable breakwaterAn analytical solution for a wave velocity field scattered by a submerged permeable vertical plate-type breakwater under the linear monochromatic wave is obtained and the applications of the solution…Jeongin Kim, Yong Sung Park·Aug 6, 2026SaveLearn
Magnetic Dynamo Driven by Inertial WavesWe demonstrate, by studying precession-driven flows, that inertial wave hydrodynamic turbulence can drive a robust magnetic dynamo action. Motivated by the stronger damping of large-scale geostrophic…A. Mishra, G. Mamatsashvili, M. Le Bars et al.·Aug 6, 2026SaveLearn
Drop Spray ElectrificationCharge separation during the breakup of water drop has been recognized since the early studies of waterfall and spray electrification, yet the role of controlled drop fragmentation at structured…Riko Kazama, Masaya Toda, Hans-Jürgen Butt et al.·Aug 6, 2026SaveLearn