Bridging the local and the global: a physically constrained buoyancy--drag model for unified prediction of Rayleigh--Taylor and Richtmyer--Meshkov mixing widths across density ratiosAccurate prediction of the macroscopic width of Rayleigh--Taylor (RT) and Richtmyer--Meshkov (RM) turbulent mixing layers is central to inertial confinement fusion and supernova dynamics. However,…You-Sheng Zhang, Ya-Feng Li, Meng-Juan Xiao et al.·Sep 2, 2026SaveLearn
Reynolds-number evolution of wall-pressure statistics beneath canonical turbulent boundary layersThis study investigates the Reynolds-number (Reτ) evolution of wall-pressure statistics beneath zero-pressure-gradient TBLs, and links their logarithmic variation to the increasingly energetic…Rahul Deshpande, Balaraman Panneerselvam, Vijaya R. R. Gudla et al.·Sep 2, 2026SaveLearn
Super-Resolution Initialization of High-Fidelity CFD Simulations for Pebble-Bed ReactorsHigh-order CFD simulations provide detailed resolution of the heterogeneous interstitial flow in pebble-bed reactors, but their computational cost is high, especially during the initial…Guilherme Gottems, Vasil Ivakimov, Luiz Aldeia Machado et al.·Sep 1, 2026SaveLearn
Yielded-region connectivity governs the onset of gravity-driven spreading in elastoviscoplastic dropsThe physical mechanisms controlling the onset of gravity-driven spreading of elastoviscoplastic drops remain unclear because yielding, elastic deformation, and viscous dissipation can occur…Alice Woodbridge, Patrick O'Rourke, Cláudio P. Fonte et al.·Sep 1, 2026SaveLearn
A reconfigurable multi-axis cyber-physical framework for multi-regime fluid--structure interaction experimentsFluid--structure interaction (FSI) experiments are typically built around mechanical dynamics and constraints imposed by the physical apparatus, so changing mass, stiffness, damping, or allowable…Zihan Zhang, Alex Sorensen, Qimin Feng et al.·Sep 1, 2026SaveLearn
Odd-viscosity-induced instability in shear flowsOdd viscosity is a nondissipative component of the viscosity tensor that arises in fluids with broken time-reversal symmetry. Despite conserving energy, we show that odd viscosity can qualitatively…Yonatan Messica, Igor Gornyi, Dmitri B. Gutman·Sep 1, 2026SaveLearn
The dynamical role of vortices in the two-dimensional inverse cascade of turbulenceWe study the inverse energy cascade of two-dimensional turbulence by means of high-resolution numerical simulations forced at intermediate wavenumbers. To clarify the role of vortices generated near…V. J. Valadão, R. M. Pereira, L. Moriconi et al.·Sep 1, 2026SaveLearn
Jet creation and wave energy dissipation by a submerged elastic plateExperiments on a flexible plate horizontally submerged in a wave tank are reported in this paper. The plate is held at a fixed depth at its upstream end, while its downstream end is free to move. The…Diane Komaroff, Gatien Polly, Alexis Mérigaud et al.·Sep 1, 2026SaveLearn
Macroscopic simulations of thin film wetting/dewetting using a precursor film modelNumerical simulation of dynamic wetting processes remains challenging due to the multiscale feature of the moving contact line. This paper presents a finite element method for two- or…Xi-Hu Wu, Zhuo Long, Xue-Li Wang et al.·Sep 1, 2026SaveLearn
Multiphase Reactive Transport in a Heterogeneous Flow Field: Channel Formation in Hydrocarbon-Bearing Carbonate RockCarbon capture, utilization and storage (CCUS) is a key approach for reducing anthropogenic CO2 emissions. Currently the vast majority of CO2 stored is injected into depleted hydrocarbon reservoirs.…Qianqian Ma, Zhuangzhuang Ma, Rukuan Chai et al.·Sep 1, 2026SaveLearn
On the Non-Negativity of Longitudinal Velocity Autocorrelations in Homogeneous Isotropic Turbulence: Kinematic Constraints, Convexity, and Spectral BroadeningA fundamental question in the statistical theory of homogeneous isotropic turbulence is whether the longitudinal velocity autocorrelation f(r) remains non-negative and if it can be shown from first…Pavan B. Govindaraju·Sep 1, 2026SaveLearn
Assessment of Numerical Lift Coefficient Data for a Circular Cylinder with Application to Bladeless TurbinesWe assess computed lift coefficient data for flow past a circular cylinder to evaluate their suitability for practical applications. Specifically, we consider lift coefficient data for a circular…L. Ridgway Scott, Henry von Wahl·Sep 1, 2026SaveLearn
Scaling of boundary-layer disturbances exposed to free-stream turbulenceWe present theoretical results related to the experimental findings of Matsubara and Alfredsson (2001) on the scaling of the energy spectra of the Klebanoff modes, i.e. streamwise-elongated vortical…Pierre Ricco·Sep 1, 2026SaveLearn
Spectral element lattice Boltzmann method for non-ideal gases with partial wetting boundary conditionWe present a spectral element lattice Boltzmann method (LBM) for partial wetting on curved geometries. A non-ideal gas phase-field model is incorporated into the LBM framework to enable phase…Chunheng Zhao, Saumil Patel, Taehun Lee·Sep 1, 2026SaveLearn
Is No-Slip Necessary for Vorticity Generation and Shedding over a Circular Cylinder?It is traditionally believed that the no-slip boundary condition is necessary for vorticity generation, as might be implied by the Lighthill vorticity generation mechanism. However, the…Kourosh Jafari Ghalejooghi, Haithem E. Taha·Sep 1, 2026SaveLearn
Deforming Vortex Force Mapping for Undulating SwimmersUndulatory propulsion is commonly interpreted through reactive added-mass loading associated with body kinematics and vortex-induced loading, but their relative contributions to the streamwise force…Xingxin Yang, Matteo Liguori, Vedang Joshi et al.·Aug 31, 2026SaveLearn
Creeping flows through confined arrays of cylindersHair-covered appendages serve a variety of purposes in Nature, from chemical sensing and particle capture on the antennae of a crustacean to drag generation on bristled wings. At low to intermediate…Sean Bohling, Sri Savya Tanikella, J. P. Raimondi et al.·Aug 31, 2026SaveLearn
Chordwise micro-jet placement reveals a trade-off between mean hydrodynamic performance and unsteady loading under cloud cavitationPrescribed tangential micro-jet injection can modify cloud-cavitation dynamics, but the chordwise location that improves mean hydrodynamic performance may differ from the location that minimizes…Amirmehran Mahdavi, Soheil Motezakkeri, Yasin Ebrahimi et al.·Aug 31, 2026SaveLearn
Numerical simulation of a two-frequency-driven superlattice Faraday-wave patternThe formation of a superlattice pattern in two-frequency-driven Faraday waves discovered and named SSS-I by Arbell & Fineberg (1998, 2002) is investigated by means of Direct Numerical Simulations…Debashis Panda, Nicolas Périnet, Abdullah M. Abdal et al.·Aug 31, 2026SaveLearn
A multiscale theory of convective momentum transport in the tropical atmosphereA multiple-scales asymptotic framework is employed to analyze the interaction between a field of small-scale convective circulations and the large-scale tropical circulation. Closed equations…Edward Goldsmith, Levi Dittman, Joseph Biello·Aug 31, 2026SaveLearn
Growth of helicity in salt-finger convection in the two-dimensional three-component limitWe present an analytical investigation of the global helicity budget associated with the salt-fingering instability within the two-dimensional, three-component framework. Our analysis shows that in…Smiron Varghese, Benjamin Miquel, Wouter Bos·Aug 31, 2026SaveLearn
A neural network architecture and training algorithm to predict viscoelastic stresses from vortical dataNumerical simulations of elastic turbulence in parallel shear flows of polymer solutions indicate that the phenomena is associated with the formation and instability of exact coherent states…Lu Zhu, Jacob Page·Aug 31, 2026SaveLearn
Learning dynamically consistent flow reconstructions from limited observationsA core inverse problem in the experimental sciences is the inference of a hidden dynamical state from sparse or indirect measurements. There is a natural opportunity for deep learning methods here,…Lu Zhu, Jacob Page·Aug 31, 2026SaveLearn
The Structure of Merging Turbulent Jets Beneath a Small QuadrotorThe downwash wake of a hovering quadrotor governs both the vehicle's own performance and the safe spacing of multi-rotor formations. Prior measurements have largely characterized the mean flow,…Anoop Kiran, Nora Ayanian, Kenneth Breuer·Aug 31, 2026SaveLearn
Real Schur Flow Acoustic Directivity and Helicity Effects withinThe statistical description and acoustic diagnostics of anisotropic turbulence remain challenging. Real Schur flows (RSFs), prototype models of component-wise dimensionally reduced flows (CWDRFs),…Pan Xu, Jian-Zhou Zhu, Min Zhu·Aug 31, 2026SaveLearn