Phase-based analysis and control of low Reynolds number aeroelastic flowsFlutter in lightweight airfoils under unsteady flows presents a critical challenge in aeroelastic stability and control. This study uncovers phase-localized mechanisms that drive the onset and…Chathura R. Sumanasiri, Tulsi Ram Sahu, Aditya G. Nair·May 30, 2025SaveLearn
Diff-SPORT: Diffusion-based Sensor Placement Optimization and Reconstruction of Turbulent flows in urban environmentsRapid urbanization demands accurate and efficient monitoring of turbulent wind patterns to support air quality, climate resilience and infrastructure design. Traditional sparse reconstruction and…Abhijeet Vishwasrao, Sai Bharath Chandra Gutha, Andres Cremades et al.·May 30, 2025SaveLearn
Cone-jet Stokes solutions in strong viscous flows: the vanishing flow rate limitSteady tip streaming in the vanishing flow rate limit has been evidenced both experimentally and numerically in the literature. However, local conical Stokes flow solutions supporting these results…Alfonso M. Ganan-Calvo, Miguel A. Herrada, Jens Eggers·May 30, 2025SaveLearn
Standing-Wave Dynamics in Low-Frequency Breathing of a Turbulent Separation BubbleThis study investigates the low-frequency dynamics of a turbulent separation bubble (TSB) over a backward-facing ramp, with a focus on large-scale coherent structures associated with the so-called…Lukas M. Fuchs, Ben Steinfurth, Jakob G. R. von Saldern et al.·May 30, 2025SaveLearn
Wall roughness and viscous dissipation effects in microchannel heat sinks with semicircular cross-sectionA statistical analysis of the wall roughness effect is carried out to determine the impact of the shape uncertainty on the Poiseuille number and Nusselt number of laminar forced convection. The focus…A. Barletta, M. Celli, P. V. Brandão·May 30, 2025SaveLearn
Newtonian-like behavior of starting vortex flow in superfluid helium at high Reynolds numbersWe study experimentally the starting vortices shed by airfoils accelerating uniformly from rest in superfluid helium-4 (He II). The vortices behave apparently as if they were moving in a classical…J. Blaha, L. Xu, M. La Mantia·May 30, 2025SaveLearn
A Method for Analytical Solutions in the Lattice Boltzmann MethodAnalytical solutions to the lattice Boltzmann Equation make it possible to study the method itself, explore the properties of its collision operator, and identify implementations of boundary…Jordan Larson, Alexander J. Wagner·May 30, 2025SaveLearn
Information-theoretic machine learning for time-varying mode decomposition of separated aerodynamic flowsWe perform an information-theoretic mode decomposition for separated aerodynamic flows. The current data-driven approach based on a neural network referred to as deep sigmoidal flow enables the…Kai Fukami, Ryo Araki·May 30, 2025SaveLearn
The 'Brazil-nut effect' in bidisperse particle laden flow on an inclineWe study bidisperse suspensions -- suspensions where there are two particle species of the same density but different sizes -- of a viscous fluid on an incline. We use a lubrication theory/thin film…Jack Luong, Sarah Cassie Burnett, Andrea L. Bertozzi·May 30, 2025SaveLearn
Extracting dominant dynamics about unsteady base flowsA wide range of techniques exist for extracting the dominant flow dynamics and features about steady, or periodic base flows. However, there have been limited efforts in extracting the dominant…Alec J. Linot, Barbara Lopez-Doriga, Yonghong Zhong et al.·May 29, 2025SaveLearn
Diff-FlowFSI: A GPU-Optimized Differentiable CFD Platform for High-Fidelity Turbulence and FSI SimulationsTurbulent flows and fluid-structure interactions (FSI) are ubiquitous in scientific and engineering applications, but their accurate and efficient simulation remains a major challenge due to strong…Xiantao Fan, Xinyang Liu, Meng Wang et al.·May 29, 2025SaveLearn
Study of the Turbulent/Non-turbulent Interface of Zero-Pressure-Gradient Turbulent Boundary Layer Using the Uniform Momentum Zone ConceptThis paper investigates the turbulent--non-turbulent interface (TNTI) in a zero-pressure-gradient turbulent boundary layer (ZPG-TBL) using a novel, threshold-free method based on the uniform momentum…Bihai Sun, Callum Atkinson, Julio Soria·May 29, 2025SaveLearn
Competing Mechanisms at Vibrated Interfaces of Density-Contrast FluidsFluid--fluid interfacial instability and subsequent fluid mixing are ubiquitous in nature and engineering. The hydrodynamic instability of fluid interfaces has long centered on the pressure…Tianyi Chu, Benjamin Wilfong, Timothy Koehler et al.·May 29, 2025SaveLearn
A thermodynamical suspension model for bloodA complete thermodynamical analysis for a blood model, based on mixture theory, is performed. The model is developed considering the blood as a suspension of red blood cells (solid component) in the…M. Gorgone, C. F. Munafo', A. Palumbo et al.·May 29, 2025SaveLearn
Lift augmentation by incorporating bend twist coupled composites in flapping wingDrawing inspiration from the adaptive wing shape of birds in flight, this study introduces a bio-inspired concept for shape adaptation utilizing bend-twist coupling (BTC) in composite laminates. The…Rahul Kumar, Devranjan Samanta, Srikant S. Padhee·May 29, 2025SaveLearn
Orientation dynamics of a spheroid in the simple shear flow of a weakly elastic fluidWe investigate the orientation dynamics of a neutrally buoyant spheroid, of an arbitrary aspect ratio (), freely rotating in a weakly viscoelastic fluid undergoing simple shear flow. Weak…Pavan Kumar Singeetham, Deepak Madival, Piyush Garg et al.·May 29, 2025SaveLearn
Experimental investigation of lift-up and instability of the viscous flow induced by a rotating cone-cylinder in an enclosureThis paper probes into the flow induced by a rotating cone-cylinder model in an enclosure. Two component particle image velocimetry measurements in the symmetry plane reveal that the rotating…Rajkamal Sah, Sumit Sunil Tambe, Gopalan Jagadeesh·May 29, 2025SaveLearn
On the flow topology of swirl jets upon impingementJet impingement enhances heat transfer and is characterised by the complex flow patterns formed when a jet impacts a plate aligned normal to it. While traditional round jet impingement has been…Premchand V. Chandra, Pradip Dutta·May 29, 2025SaveLearn
Monolithic framework to simulate fluid-structure interaction problems using geometric volume-of-fluid methodWe develop a three-dimensional Eulerian framework to simulate fluid-structure interaction (FSI) problems on a fixed Cartesian grid using the geometric volume-of-fluid (VOF) method. The coupled…Soham Prajapati, Ali Fakhreddine, Krishnan Mahesh·May 28, 2025SaveLearn
A unified quaternion-complex framework for Navier-Stokes equations: new insights and implicationsWe present a novel, unified quaternion-complex framework for formulating the incompressible Navier-Stokes equations that reveals the geometric structure underlying viscous fluid motion and resolves…Farrukh A. Chishtie·May 28, 2025SaveLearn
Linear instability of plane Couette and Poiseuille flowsIt is shown that linear instability of plane Couette flow can take place even at finite Reynolds numbers which meets with known experimental data. This new result of the linear theory of hydrodynamic…Sergey G. Chefranov, Alexander G. Chefranov·May 28, 2025SaveLearn
Nonlinear Diffusion and Decay of an Expanding Turbulent BlobTurbulence, left unforced, decays and invades the surrounding quiescent fluid. Though ubiquitous, this simple phenomenon has proven hard to capture within a simple and general framework. Experiments…Takumi Matsuzawa, Minhui Zhu, Nigel Goldenfeld et al.·May 28, 2025SaveLearn
Turbulent separation control with a tilted wavy wall: a promising approach for energy savings in aerodynamic systemsRecently, Kami\'nski et al. [1] demonstrated that a two-dimensional streamwise waviness with carefully selected amplitude and period can be effectively used in postponement of a flow separation at…Piotr Kamiński, Artur Tyliszczak, Witold Elsner et al.·May 28, 2025SaveLearn
Reduced order modelling of air puff test for corneal material characterisationModels of the fluid-structure interaction (FSI) model for the air puff test were analysed. Using Abaqus, the air puff test is applied to eyes with varying biomechanical parameters, such as material…Osama M. Maklad, Muting Hao·May 28, 2025SaveLearn
Hybrid High-Order formulations with turbulence modelling capabilities for incompressible flow problemsWe propose a Hybrid High-Order (HHO) formulation of the incompressible Navier--Stokes equations, that is well suited to be employed for the simulation of turbulent flows. The spatial discretization…Lorenzo Botti, Daniele Antonio Di Pietro, Francesco Carlo Massa·May 28, 2025SaveLearn