Modeling and Stabilization of Transport-Dominated FlowsThis report explores and compares numerical stabilization methods for transport-dominated flows arising in atmospheric modeling. The Streamline-Upwind (SU) and Streamline-Upwind Petrov-Galerkin…Christopher Agesen, Sam Bradford, Abhijnan Dikshit et al.·Jul 24, 2026SaveLearn
PRIMS: Physics-guided Representation for Fluid Identification in Multimodal SensingAccurate on-device fluid identification is essential for microfluidic applications, yet maintaining reliability under varying flow, pressure, and temperature remains a key challenge. Existing…Hai-Long Nguyen, Trung Thanh Nguyen, Lars Holm et al.·Jul 24, 2026SaveLearn
Critical assessment of RANS Models for Turbulent Heat Transfer in Low-Prandtl-Number Forced ConvectionRANS modeling of turbulent heat transfer in liquid metals remains challenging because the very low Prandtl number weakens the similarity between momentum and thermal transport. Several thermal…Luca Marocco, Jonathan Schmitt, Jonathan Neuhauser et al.·Jul 24, 2026SaveLearn
Bubble bursting in a sessile dropletWe analyzed experimentally and numerically the bursting of a bubble within a sessile droplet. Our experiments show that both sessile droplet curvature and confinement enhance the energy focusing. In…U. J. Gutiérrez-Hernández, B. Muñoz-Sánchez, A. Agúndez-Cruz et al.·Jul 24, 2026SaveLearn
Integral relations for the skin-friction coefficients and other quantities of annular flowsIntegral identities relating the skin-friction coefficients and the Reynolds shear stresses in annular cylindrical flows are derived. In the pressure-driven case, an identity for the radial location…Pierre Ricco·Jul 24, 2026SaveLearn
Numerical Validation of Lyapunov-Liouville Theory and Non-Diffusive Closures in Decaying Isotropic Fluid and Scalar TurbulenceThis work validates the Lyapunov--Liouville framework and its non-diffusive closures in decaying homogeneous isotropic turbulence (HIT) by numerically integrating the closed von Kármán--Howarth and…Nicola de Divitiis·Jul 24, 2026SaveLearn
Study of discrete boundary layer suction for transition delayIn the present study we have assessed the effect of suction through discrete perforations on the transition of the Blasius boundary layer. In particular, the intermittency and the spectra of the…Mukund R., Pranav Joshi, Ishan Singh·Jul 24, 2026SaveLearn
Flow Reversal in Low-Prandtl-Number Convection via Lateral ConfinementA prevailing consensus holds that flow reversals of the large-scale circulation (LSC) are suppressed in low-Prandtl-number (Pr) fluids, as high thermal diffusivity rapidly dissipates the energy…Zhi-Han Wu, Long Chen, Yan-Wu Cao et al.·Jul 24, 2026SaveLearn
A thermodynamically consistent Johnson-Segalman-Giesekus model: numerical simulation of the rod climbing effectViscoelastic rate-type fluids represent a popular class of non-Newtonian fluid models due to their ability to describe phenomena such as stress relaxation, non-linear creep, and normal stress…Jakub Cach, Patrick E. Farrell, Josef Málek et al.·Jul 24, 2026SaveLearn
Load-dependent Taylor dispersion in a compliant electroosmotic pump conveying a simplified Phan-Thien-Tanner fluidWe develop a coupled model for electroosmotic pumping and passive-solute dispersion of a solvent-free simplified Phan-Thien-Tanner fluid in a compliant slit microchannel. Pressure, wall deformation,…Subhajyoti Sahoo, Ameeya Kumar Nayak·Jul 23, 2026SaveLearn
Explainable quantum-compressed machine learning for complex fluid flowsMachine-learning surrogates of physical systems face a paradox: explainable models facing the challenge of expressivity to capture complex nonlinear flows, whereas expressive deep surrogates match…Xiao Xue, Maida Wang, Mingyang Gao et al.·Jul 23, 2026SaveLearn
A general synthetic iterative solver for axisymmetric rarefied gas and electrostatic charged-particle flowsAn axisymmetric general synthetic iterative scheme (AxiGSIS) is proposed to simulate rarefied gas flows and charged particle transport under prescribed electrostatic fields. This solver adopts a…Yifan Wen, Lei Wu·Jul 23, 2026SaveLearn
A physics-assisted deep neural network-based closure framework for velocity gradient dynamics in compressible flows with vibrational non-equilibriumIn this study, we propose a dynamical model for the evolution of velocity gradients in compressible turbulent flows with vibrational non-equilibrium effects, using physics-assisted deep neural…Deep Shikha, Sawan S Sinha·Jul 23, 2026SaveLearn
A One-Dimensional Integral Equation for a Porous Horizontal Disc under Water WavesWave scattering by a thin, porous circular plate submerged in deep water is investigated. The problem is formulated as a second-kind hypersingular Fredholm integral equation over the unit disk,…Luiz Fernando de Moraes Campos Filho, Leandro Farina, Juliana Sartori Ziebell·Jul 23, 2026SaveLearn
Effect of free-stream turbulence on a moderate adverse pressure gradient turbulent boundary layer developing over an airfoilTurbulent boundary layers (TBLs) subjected to adverse pressure gradients (APGs) are common to industrial aerodynamic applications, yet the effect of freestream turbulence (FST) on TBLs developing…Tomek Jaroslawski, Francesco Scarano·Jul 23, 2026SaveLearn
Fractal Scaling of Moffatt Vortices in Triangular Cavity FlowThis study examines the formation, quantification, and fractal characterization of corner vortices in slow viscous incompressible flow within a triangular cavity. The governing Navier-Stokes…Rathindra Nath Basak, Sougata Biswas, Jiten C. Kalita·Jul 23, 2026SaveLearn
Mixing Performance of Toroidal Ring Mixers: Effects of Flow Rate Ratios and Geometric AsymmetryMicrofluidic mixing is important for nanoparticle fabrication, where rapid contact between the solvent and nonsolvent streams is needed to control the formation process. Various micromixer geometries…Mohammad Majidi, Taehong Kim, Jiaqi Li et al.·Jul 23, 2026SaveLearn
Label-Free Finite-Volume-Residual Training of Attention Graph Neural Networks for Coupled Thermo-Fluid FieldsNeural surrogates are widely used in scientific machine learning for fast prediction of three-dimensional (3D) thermo-fluid fields. However, generating training data using conventional numerical…Tianyu Li, Zhiwei Cao, Qingang Zhang et al.·Jul 23, 2026SaveLearn
Theoretical development of an operational wave-induced ice erosion model through laboratory experimentsWave-induced melting of vertical ice fronts is represented in several operational iceberg and coastal-erosion models by the rough-wall parameterization of White (1980), whose closure chain is…Wenjun Lu, Behnam Ghadimi, Dominique Mouaze et al.·Jul 23, 2026SaveLearn
Revisit the simplified lattice Boltzmann method: dissipation, dispersion and stabilityThe simplified lattice Boltzmann method (SLBM) is a recent development in the lattice Boltzmann method (LBM) community, addressing the intrinsic limitations of the traditional LBM by directly…Zhengwei He, Zhen Chen·Jul 23, 2026SaveLearn
Semi-convection in rotating spherical shells: flows, layers and dynamosLarge regions of giant planets are thought to possess unstable thermal gradients stabilised by gradients in heavy-element composition. The fluid can then develop semi-convection, a double-diffusive…Paul Pružina, Nathanaël Schaeffer, David Cébron·Jul 23, 2026SaveLearn
Mixing induced by Faraday surface wavesWe investigate how surface waves enhance mixing across the interface between two miscible fluids with a small density contrast. Imposing a vertical, time-periodic acceleration, we excite Faraday…Andrés Castillo-Castellanos, Benoît-Joseph Gréa, Antoine Briard et al.·Jul 23, 2026SaveLearn
Vortex ring-cylinder interactions: regimes, reconnection, and the role of topologyWe investigate the interaction between vortex rings and cylindrical obstacles using direct numerical simulations across a wide range of geometric and dynamical parameters. The flow is characterized…Andres Herrera-Gómez, Juan Ángel Tendero-Ventanas, Rodolfo Ostilla-Mónico·Jul 23, 2026SaveLearn
Rapid Aerodynamic Assessment of Flettner Rotor Installations Using an Inviscid CFD ApproachThis paper introduces an inviscid Computational Fluid Dynamics (CFD) approach for the rapid aerodynamic assessment of Flettner rotor systems on ships. The method relies on the Euler equations…Niklas Kühl·Jul 23, 2026SaveLearn
Identification of Beneficial and Detrimental Structure Locations Around Flettner Rotors Using Topology-Optimization-Inspired Sensitivity FieldsFlettner rotors are highly sensitive to their surrounding flow field and may be significantly affected by nearby ship structures, deck cargo, and superstructures. Assessing the aerodynamic influence…Niklas Kühl·Jul 23, 2026SaveLearn