Numerical Simulation of Three-dimensional High-Lift Configurations Using Data-Driven Turbulence ModelTraditional Reynolds-averaged Navier-Stokes (RANS) equations often struggle to predict separated flows accurately. Recent studies have employed data-driven methods to enhance predictions by modifying…Shaoguang Zhang, Chenyu Wu, Yufei Zhang·Mar 19, 2025SaveLearn
On the role of morphology and kinematics of biological swimmers to spread and suppress their odors in the wakeUnderstanding the interplay between hydrodynamics and chemical sensing in aquatic environments is crucial for unraveling biological swimmers' navigation, foraging, and communication strategies. This…Maham Kamran, Amirhossein Fardi, Chengyu Li et al.·Mar 18, 2025SaveLearn
Characterizing the Role of Hind Flippers in Hydrodynamics of A Harbor SealIn this paper, we investigate the hydrodynamic characteristics of harbor seal locomotion, focusing on the role of hind flippers in thrust generation and wake dynamics. Through three-dimensional…Amirhossein Fardi, Hamayun Farooq, Imran Akhtar et al.·Mar 18, 2025SaveLearn
C(NN)FD -- Deep Learning Modelling of Multi-Stage Axial Compressors AerodynamicsThe field of scientific machine learning and its applications to numerical analyses such as CFD has recently experienced a surge in interest. While its viability has been demonstrated in different…Giuseppe Bruni, Sepehr Maleki, Senthil K Krishnababu·Mar 18, 2025SaveLearn
Fluid mechanics of sarcomeres as porous mediaMuscle contraction, both in skeletal and cardiac tissue, is driven by sarcomeres, the microscopic units inside muscle cells where thick myosin and thin actin filaments slide past each other. During…John Severn, Thomas Vacus, Eric Lauga·Mar 18, 2025SaveLearn
Mass diffusion and bending in dynamic wetting by phase-field and sharp-interface modelsDynamic wetting poses a well-known challenge in classical sharp-interface formulation as the no-slip wall condition leads to a contact line singularity that is typically regularized with a Navier…Tomas Fullana, Stéphane Zaleski, Gustav Amberg·Mar 18, 2025SaveLearn
An experimental study of using artificial reefs as scour protection around an offshore wind monopileArtificial reefs (ARs) are man-made structures deployed on the seabed to support benthic marine ecosystems. Their presence significantly damps the local flow and therefore can be used for scour…Xin Liu, Jianjun Chen, Yu Lei et al.·Mar 18, 2025SaveLearn
Investigating the Effect of Relaxation Time on Richtmyer-Meshkov Instability under Reshock Impact: A Two-Component Discrete Boltzmann Method StudyThe Richtmyer-Meshkov (RM) instability plays an important role in various natural and engineering fields, such as inertial confinement fusion. In this work, the effect of relaxation time on the RM…Lingyan Lian, Chuandong Lin, Demei Li et al.·Mar 18, 2025SaveLearn
Scaling Laws Governing Droplet Spreading and Merging Dynamics on Solid Surfaces: A Molecular Simulation StudyThis study employs molecular dynamics simulations to investigate droplet dynamics when a stationary droplet on a solid surface is struck by another droplet of similar size from above. The focus is on…Ertiza Hossain Shopnil, Jahid Emon, Md Nadeem Azad et al.·Mar 17, 2025SaveLearn
Effects of Intrinsic Flame Instabilities on Nitrogen Oxide Formation in Laminar Premixed Ammonia/Hydrogen/Air FlamesThis study investigates the characteristics of nitrogen oxide (NO) formation in two-dimensional (2D) laminar premixed ammonia/hydrogen/air flames and the impact of thermodiffusively driven intrinsic…Terence Lehmann, Nikita Dimidziev, Thomas L. Howarth et al.·Mar 17, 2025SaveLearn
Universal mean velocity profile in polymeric flows at maximum drag reductionProvided a sufficient concentration of long-chain polymers in a Newtonian solvent, turbulent wall-bounded flows exhibit a universal state known as Maximum Drag Reduction (MDR). Through direct…Francesco Serafini, Francesco Battista, Paolo Gualtieri et al.·Mar 17, 2025SaveLearn
On the characteristic structure of the adjoint Euler equations and the analytic adjoint solution of supersonic inviscid flowsThe characteristic structure of the two-dimensional adjoint Euler equations is examined. The behavior is similar to that of the original Euler equations, but with the information travelling in the…Carlos Lozano, Jorge Ponsin·Mar 17, 2025SaveLearn
On the modeling of nonlinear wind-induced ice-drift ocean currents at the North PoleStarting from the governing equations for geophysical flows, by means of a thin-shell approximation and a tangent plane approximation, we derive the equations describing, at leading order, the…Christian Puntini·Mar 17, 2025SaveLearn
Stabilization Analysis and Mode Recognition of Kerosene Supersonic Combustion: A Deep Learning Approach Based on Res-CNN-beta-VAEThe scramjet engine is a key propulsion system for hypersonic vehicles, leveraging supersonic airflow to achieve high specific impulse, making it a promising technology for aerospace applications.…Weiming Xu, Tao Yang, Chang Liu et al.·Mar 17, 2025SaveLearn
Dual Theory of MHD TurbulenceWe present an exact analytic solution for decaying incompressible magnetohydrodynamic (MHD) turbulence. Our solution reveals a dual formulation in terms of two interacting Euler ensembles--one for…Alexander Migdal·Mar 16, 2025SaveLearn
An Extension of the Localized Artificial Diffusivity Method for Immiscible and High Density Ratio FlowsThe localized artificial diffusivity (LAD) method is widely regarded as the preferred multi-material regularization scheme for the compact finite difference method, because it is conservative, easy…Steven R. Brill, Britton J. Olson, Guillaume T. Bokman·Mar 16, 2025SaveLearn
Direct numerical simulation of nucleate boiling with a resolved microlayer and conjugate heat transferIn this paper, a phase-change model based on a geometric Volume-of-Fluid (VOF) framework is extended to simulate nucleate boiling with a resolved microlayer and conjugate heat transfer. Heat…Tian Long, Jieyun Pan, Edoardo Cipriano et al.·Mar 15, 2025SaveLearn
Velocity alignment explains Lagrangian irreversibility in turbulenceLagrangian particles in turbulence separate away from each other faster in the backward in time direction as compared to forward in time. In this work, we show that time irreversibility is…Ron Shnapp·Mar 15, 2025SaveLearn
Neural Operator Modeling of Platelet Geometry and Stress in Shear FlowThrombosis involves processes spanning large-scale fluid flow to sub-cellular events such as platelet activation. Traditional CFD approaches often treat blood as a continuum, which can limit their…Marco Laudato, Luca Manzari, Khemraj Shukla·Mar 15, 2025SaveLearn
Reynolds Number Effects on Lift Enhancement Mechanisms of Dragonfly Wings: Their Effective Ranges and Determination by Local Reynolds NumbersA corrugated structure, rather than a smooth surface, is a characteristic feature of insect wings (e.g., dragonfly wings), which enhances their aerodynamic performance at low Reynolds numbers ($Re…Yusuke Fujita, Makoto Iima·Mar 15, 2025SaveLearn
A tracking algorithm for finite-size particlesParticle-wall interactions play a crucially important role in various applications such as microfluidic devices for cell sorting, particle separation, entire class of hydrodynamic filtration and its…Aryan Mehboudi, Shrawan Singhal, S. V. Sreenivasan·Mar 14, 2025SaveLearn
Investigation of pressure balance in proximity of sidewalls in deterministic lateral displacementDeterministic lateral displacement (DLD) is a popular technique for size-based separation of particles. One of the challenges in design of DLD chips is to eliminate the disturbance of fluid flow…Aryan Mehboudi, Shrawan Singhal, S. V. Sreenivasan·Mar 14, 2025SaveLearn
Effect of oblique horizontal magnetic field on convection rollsWe investigate the effect of external horizontal magnetic field applied on the convection rolls obliquely (at an angle φ with the x-axis) in electrically conducting low Prandtl number fluids…Snehashish Sarkar, Sutapa Mandal, Pinaki Pal·Mar 14, 2025SaveLearn
Challenges and Advancements in Modeling Shock Fronts with Physics-Informed Neural Networks: A Review and Benchmarking StudySolving partial differential equations (PDEs) with discontinuous solutions , such as shock waves in multiphase viscous flow in porous media , is critical for a wide range of scientific and…Jassem Abbasi, Ameya D. Jagtap, Ben Moseley et al.·Mar 14, 2025SaveLearn
Surface instabilities in laminar compressible boundary layers with sublimationSurface patterns on ablating materials are observed in high-speed ground and flight tests, but the mechanisms behind their formation are not known. In this paper, the origin of surface patterns is…Blaine Vollmer, Alberto Padovan, Daniel J. Bodony·Mar 14, 2025SaveLearn