A Modified Moving Reference Frame Method for Propeller ResolutionAccurate resolution of propeller-hull interaction is essential for predicting the self-propulsion point in ship CFD, yet motion-resolving methods such as sliding interfaces (SI) are computationally…Denis Andreev, Georgios Bletsos, Antonios Kritikos et al.·Jul 27, 2026SaveLearn
The balance between compactness and forecast accuracy of data-driven latent-space reduced-order models in controlled wake flowsModel-based active flow control requires predictive models that are accurate, stable, and fast enough for real-time optimisation. In controlled wake flows, this is often achieved through…Alberto Solera-Rico, Patricia García-Caspueñas, Carlos Sanmiguel Vila et al.·Jul 27, 2026SaveLearn
Bubble growth on arrays of micro-electrodesGas bubbles evolving on electrodes during water-electrolysis are blocking active reaction area, thus hindering mass transfer and raising Ohmic resistance. Unlike earlier models that prescribe a…Mengyuan Huang, Gerd Mutschke, Zhicheng Yuan et al.·Jul 27, 2026SaveLearn
Influence of a vertical-wall leading edge on bouncing and escape bubble rising regimesThis work investigates deformable gas bubbles rising near a vertical wall in ultrapure water, focusing on how the position of the wall leading edge affects their near-wall dynamics. Two…A. Rubio-González, E. J. Vega, R. Bolaños-Jiménez·Jul 27, 2026SaveLearn
Neptuna: A Comprehensive Machine Learning Framework for Benchmarking Complex Multiphase FlowsCompressible multiphase flows involving shocks and material interfaces arise in applications such as bubble collapse and droplet breakup, where strong nonlinear interactions produce complex interface…Harish Ramachandran, Björn Kimpel, Thomas Paula et al.·Jul 27, 2026SaveLearn
Spreading and rupture dynamics of soluble surfactant-laden thin film flow down a slippery incline in presence of external shearThe spreading and rupture of local distribution of surfactant on a slippery inclined thin film flow in the presence of external shear is explored in this article. The surfactant can be adsorbed at…Dipankar Paul, Harekrushna Behera·Jul 27, 2026SaveLearn
Leveraging unstructured grids for direct numerical simulations of wall turbulenceTowards computational cost saving for direct numerical simulations (DNSs) of wall turbulence, we formulate an unstructured grid-generation framework, termed η-grid, where the wall-normal (y) and…Amirreza Rouhi, Vishal Kumar, Wen Wu et al.·Jul 27, 2026SaveLearn
Hydrodynamic origin of Korteweg stresses from shear-induced horizontal buoyancyA recent study rajamanickam2025shear of non-Boussinesq fluids in narrow channels identified a novel shear-induced horizontal buoyancy force that emerges upon depth-averaging the Navier-Stokes…Prabakaran Rajamanickam·Jul 27, 2026SaveLearn
Retreat to advance: self-blocking enables efficient mineral replacementMineral replacement reactions under advective flow often suffer from severe spatial inefficiency: dissolution causes the flow to self-focus into a few dominant wormholes that bypass the surrounding…Agnieszka Budek, Tomasz Szawełło, Vaughan Voller et al.·Jul 27, 2026SaveLearn
Vortex breakdown in a hydro turbine draft tube swirling jetThe swirling flow in a Francis type hydropower turbine is known to be susceptible to the formation of a large helical structure, commonly referred to as a vortex rope. This vortex rope can be…Artur Gesla, Eunok Yim·Jul 27, 2026SaveLearn
Transition from classical to ultimate meltingMelting is omnipresent in nature and technology, with applications ranging from metallurgy, biology, food science, and latent thermal energy storage to oceanography, geophysics, and climate science,…Edoardo Bellincioni, Kevin Zhong, Christopher J. Howland et al.·Jul 27, 2026SaveLearn
Integral constraints on the linear instability of stratified flow with planar shear at an arbitrary angle to the verticalIntegral constraints on the linear instability of stratified parallel flow with planar shear at an arbitrary angle to the vertical are derived using the analytical approach of Miles and Howard, for…Miguel A. C. Teixeira, Mohamed Foudad, Paul D. Williams·Jul 27, 2026SaveLearn
Physics-guided Bayesian neural networks for zonal corrections and uncertainty quantification in separated flowsData-driven techniques have improved the accuracy of Reynolds-averaged Navier-Stokes (RANS) models in fluid dynamics. However, modeling separated flows remains challenging due to their complex…Ali Eidi, Tyler Buchanan, Letian Jiang et al.·Jul 27, 2026SaveLearn
Investigation of the effects of superhydrophobic surface treatment on the dynamics of the flow in the near wake of a sphere using spatial dynamic mode decompositionViscous drag arises from the fluid at a surface having zero relative velocity, a phenomenon known as the no-slip condition. Superhydrophobic surfaces, when submerged in water, trap a layer of air in…Shaun Davey, Callum Atkinson, Julio Soria·Jul 27, 2026SaveLearn
Vortex Dynamics During Pinch-off of Micro-DropletsMicro-droplets are extensively used in chemical, biological, and medical research, primarily for conducting various tests on samples, including living organisms, using a microfluidic framework.…Siddhant Jain, Saini Jatin Rao, Shubhadeep Mandal et al.·Jul 27, 2026SaveLearn
Adjoint Sensitivity Maps for Passive Flow Control Around Rotating Circular Cylinders Across a Wide Operating EnvelopeRotating circular cylinders are employed in a variety of engineering applications, one prominent example being Flettner rotors for wind-assisted ship propulsion. Besides optimizing the aerodynamic…Niklas Kühl·Jul 26, 2026SaveLearn
Dynamics of fluid-fluid displacements in a model rough fracture beyond the quasistatic limit: A spectral approachIn fluid-fluid displacements in porous and fractured materials, viscous friction in microscale interfacial (Haines) jumps is intimately linked to macroscale energy dissipation and the associated…Mykyta Chubynsky, Jordi Ortin, Marco Dentz et al.·Jul 26, 2026SaveLearn
Generalized Reynolds Analogy for Compressible Wall Turbulence: Unified Velocity--Temperature Relations from Mean to Fluctuating FieldThe Reynolds analogy between velocity and temperature fields is a central problem in the statistical theory of compressible wall turbulence. The generalized Reynolds analogy (GRA) established by the…You-sheng Zhang·Jul 26, 2026SaveLearn
Understanding the Theory--Experiment Discrepancy in Pressure Drop of Dilute Polymer Solutions in Channel FlowsFor decades researchers have experimentally observed that the flow of dilute viscoelastic polymer solutions through contraction or contraction--expansion channels yields results at odds with theory…Nan Hu, Jonghyun Hwang, Evgeniy Boyko et al.·Jul 26, 2026SaveLearn
Quantifying Injection-Driven Interphase Mass Transfer within Porous Media via Time-Elapsed X-ray micro-Computed TomographyUnderstanding interphase mass transfer is essential for a variety of applications in porous media, ranging from groundwater remediation to geologic energy storage. While X-ray micro-Computed…Christopher A. Allison, Ruotong Huang, Anindityo Patmonoaji et al.·Jul 26, 2026SaveLearn
Bridging Filtering and Point-Splitting Approaches for Variable-Density FlowsEnergy transfer in turbulent flows is typically described either through correlation functions, via the Kármán-Howarth-Monin relation, or through a scale-by-scale budget of the filtered energy…Hridey Narula, Prasad Perlekar·Jul 26, 2026SaveLearn
Characterisation of a multistable turbulent wake: application of an improved regime identification with analytical model trainingThis article presents the experimental study and the modelling of the multistable jet in the wake of two side by side square bars separated by a distance G at Reynolds number R=U∞ H/ν=10000…Ariane Barlet, Pierre Bragança, Christophe Cuvier et al.·Jul 25, 2026SaveLearn
Wave-appropriate reconstruction of compressible flows: physics-constrained acoustic dissipation and rank-1 entropy wave correctionThe wave-appropriate reconstruction approach decomposes the reconstruction procedure into characteristic wave families, centralizing non-acoustic waves to minimize dissipation while retaining an…Amareshwara Sainadh Chamarthi·Jul 25, 2026SaveLearn
Inertial effects on the interphase drag force and rheology of dilute suspensions of buoyant droplets at low Reynolds numberIn this work, we compute the hydrodynamic force and the first and second moments of force acting on a translating spherical droplet immersed in a uniform flow using the reciprocal theorem. We…Nicolas Fintzi, Jean-Lou Pierson·Jul 25, 2026SaveLearn
The Fluid Mechanics of Splatter PaintingIn splatter painting, a collection of liquid droplets is projected onto the substrate by imposing a controlled acceleration to a paint-loaded brush. This work aims at unraveling the physical…Diego Ávila-García, Carlos Salazar-Martín, Javier Rodríguez-Rodríguez et al.·Jul 25, 2026SaveLearn