Flamelet Model with Epsilon Tracking in a Turbine StatorCombustion within a two-dimensional turbine stator passage is numerically investigated in the context of the turbine-burner concept using a Reynolds-Averaged Navier-Stokes framework coupled with a…Sylvain L. Walsh, Yalu Zhu, Feng Liu et al.·Dec 20, 2025SaveLearn
Computational study of airfoil stall flutter Limit Cycle OscillationsThis paper presents a comprehensive numerical investigation of a NACA0012 undergoing Stall Flutter Limit Cycle Oscillations (LCO) across distinct fluid dynamics regimes. It accurately models Small…Nikos Spyropoulos, Marinos Manolesos, George Papadakis·Dec 19, 2025SaveLearn
Tuna-Like Swimmers Experience a Fluid-Mediated Stable Side-by-Side FormationNew free-swimming experiments and simulations are conducted on a pair of three-dimensional, bio-robotic swimmers composed of a body and tail section based on Yellowfin tuna, Thunnus albacares. It is…Pedro C. Ormonde, Matthew Stasolla, Alec Menzer et al.·Dec 19, 2025SaveLearn
Fluid-inertia torques from particle-shape symmetryNumerical simulation of particle motion in fluids at low particle Reynolds numbers is often based on empirical force and torque models obtained by fitting force and torque from ab-initio computations…L. Sundberg, F. Candelier, N. Fintzi et al.·Dec 19, 2025SaveLearn
The influence of energy-containing scales on the distribution of spectral energy transfersWe present computations of individual mode-to-mode energy transfers from direct numerical simulations of homogeneous isotropic turbulence. Unlike previous approaches based on shell-filtered velocity…Arthur Couteau, Panayotis Dimopoulos Eggenschwiler, Patrick Jenny·Dec 19, 2025SaveLearn
Design, Testing and Numerical Modelling of a Low-Speed Wind Tunnel Gust GeneratorUnderstanding and accurately reproducing gust-induced unsteady aerodynamics is essential for improving load prediction, aeroelastic analysis, and control strategies in aircraft, uninhabited aerial…Marinos Manolesos, Christos Ampatis, Dimitris Gkiolas et al.·Dec 19, 2025SaveLearn
Transient and periodic shear wave propagation in a solid-fluid coupled systemA coupled system composed of a Newtonian fluid located on a sinusoidally-forced elastic solid is studied analytically and numerically. The focus is on the transient evolution from the beginning of…Aaron D'Cruz, Pierre Ricco·Dec 19, 2025SaveLearn
On the essential structure of exact traveling-wave solutions in viscoelastic flowWe examine elastic travelling-wave (`arrowhead') solutions in a viscoelastic, unidirectionally body-forced flow, focusing on their existence and morphological changes as the Weissenberg number,…Lu Zhu, Rich. R. Kerswell·Dec 19, 2025SaveLearn
Vertical velocities in quasigeostrophic laboratory vorticesIn the present study, we test the predictions of the ω-Equation against laboratory experiments with direct measurements of the vertical velocity w. Our results are further completed through…Marine Aulnette, Michael Le Bars, Patrice Le Gal·Dec 19, 2025SaveLearn
Achieving angular-momentum conservation with physics-informed neural networks in computational relativistic spin hydrodynamicsWe propose physics-informed neural networks (PINNs) as a numerical solver for relativistic spin hydrodynamics and demonstrate that the total angular momentum, i.e., the sum of orbital and spin…Hidefumi Matsuda, Koichi Hattori, Koichi Murase·Dec 19, 2025SaveLearn
Numerical study of Lagrangian velocity structure functions using acceleration statistics and a spatial-temporal perspectiveA fundamental relation in Lagrangian Kolmogorov theory is concerned with inertial range scaling of the second-order velocity structure function over intermediate time lags at sufficiently high…Rohini Uma-Vaideswaran, P. K. Yeung·Dec 18, 2025SaveLearn
Rayleigh-B\'enard thermal convection in emulsions: a short reviewThermally driven emulsions arise in a broad range of natural and industrial contexts, yet their fundamental physical understanding remains only partially established. Emulsions exhibit a complex,…Francesca Pelusi, Andrea Scagliarini, Mauro Sbragaglia et al.·Dec 18, 2025SaveLearn
Marangoni instabilities of cylindrical drops in a vertical Hele-Shaw cell immersed in stratified liquidsThe Marangoni instability of cylindrical drops in vertical Hele-Shaw cells immersed in stably stratified liquids has been studied previously, yet the underlying mechanism has not been explored…Li-Chen Huang, Yanshen Li·Dec 18, 2025SaveLearn
Survey of Mathematical Models of and Numerical Methods for Fluid Dynamics Water EngineeringComputational fluid dynamics (CFD) has become a cornerstone of modern water engineering, providing quantitative tools for the analysis, prediction, and management of complex hydraulic systems across…Anshu Kumar, Kemi Olimba, Vyacheslav Kungurtsev et al.·Dec 18, 2025SaveLearn
Can Transformers overcome the lack of data in the simulation of history-dependent flows?It is well known that the lack of information about certain variables necessary for the description of a dynamical system leads to the introduction of historical dependence (lack of Markovian…P. Urdeitx, I. Alfaro, D. Gonzalez et al.·Dec 18, 2025SaveLearn
A unified MRT-LB framework for Navier-Stokes and nonlinear convection-diffusion equations and beyond: moment equations, auxiliary moments, multispeed lattices, and Hermite matricesWe develop a unified multi-relaxation-time lattice Boltzmann (MRT-LB) framework based on discrete Hermite polynomials (Hermite matrices) for the Navier-Stokes equations (NSEs) and nonlinear…Baochang Shi, Xiaolei Yuan, Zhenhua Chai·Dec 18, 2025SaveLearn
Intermittent Motility of a Synthetic Active Particle in Changing EnvironmentsWe experimentally investigate the dynamics of synthetic active particles composed of gravitationally bouncing, superwalking droplets confined within an annular fluid bath. Driven by a topologically…Rudra Sekhri, Rahil N. Valani, Tapio Simula·Dec 18, 2025SaveLearn
Wake transitions and melting dynamics of a translating sphere in warm liquidWe investigate the three-dimensional melting dynamics of an initially spherical particle translating in a warmer liquid using sharp-interface simulations that fully resolve both solid and fluid…Zhong-Han Xue, Jie Zhang·Dec 18, 2025SaveLearn
Analytical Solutions for Turbulent Channel Flow Using Alexeev and Navier-Stokes Hydrodynamic Equations: Comparison with ExperimentsUnderstanding turbulent boundary layer flows is important for many application areas. Enhanced theoretical models may provide deeper insights into the fundamental mechanisms of turbulence that elude…Alex Fedoseyev·Dec 17, 2025SaveLearn
Wake instability past a sphere settling in a strongly stratified flowThe wake of a body moving across the isopycnals of a strongly stratified fluid is characterized by the presence of an intense jet which, under certain circumstances, may become unstable. To get…Chang-Fan Mo, Matthieu J. Mercier, Jacques Magnaudet et al.·Dec 17, 2025SaveLearn
A reduced model for droplet dynamics with interfacial viscosityWe propose an extension of the phenomenological Maffettone-Minale (MM) model (P.L. Maffettone and M. Minale, J. Non-Newton. Fluid Mech. 78, 227-241 (1998)) to describe the time-dependent deformation…Fabio Guglietta, Diego Taglienti, Mauro Sbragaglia·Dec 17, 2025SaveLearn
Latent-space variational data assimilation in two-dimensional turbulenceStarting from limited measurements of a turbulent flow, data assimilation (DA) attempts to estimate all the spatio-temporal scales of motion. Success is dependent on whether the system is observable…Andrew Cleary, Qi Wang, Tamer A. Zaki·Dec 17, 2025SaveLearn
Spatio-temporal analysis of sprays by using Phase Doppler Anemometry dataSpray characterization often relies on empirical formulas, statistical distributions, and derived quantities. Deterministic spray behavior originates from physics-governed mechanisms of atomization,…Erika Rácza, Milan Malý, Jan Jedelský et al.·Dec 17, 2025SaveLearn
The study of coherent Rayleigh-Brillouin scattering in multiple flow regimes using unified gas-kinetic schemeCoherent Rayleigh-Brillouin scattering (CRBS) holds great promise for the characterization of gas properties and the investigation of gas kinetic processes. The CRBS spectrum exhibits a strong…Xiaozhe Xi, Junzhe Cao, Kun Xu·Dec 17, 2025SaveLearn
Estimates for the 2D Navier-Stokes equations: the effects of forcingMathematical estimates for the Navier-Stokes equations are traditionally expressed in terms of the Grashof number, which is a dimensionless measure of the magnitude of the forcing and hence a control…Ritwik Mukherjee, John D. Gibbon, Dario Vincenzi·Dec 17, 2025SaveLearn