Interpolation-supplemented lattice Boltzmann simulation of thermal convection on non-uniform meshesWe present a systematic evaluation of an interpolation-supplemented lattice Boltzmann method (ISLBM) for simulating buoyancy-driven thermal convection on non-uniform meshes. The ISLBM extends the…Ao Xu, Zheng Zhao, Ben-Rui Xu et al.·Sep 1, 2025SaveLearn
Wave erosion of ice cliffs: melt rate due to reflection of non-breaking surface wavesWave erosion of ice cliffs is one of the main mechanisms for waterline ice melt for icebergs, glacier fronts, and ice-shelf fronts. Despite its importance, this process is fundamentally not well…Anya Wolterman, Till J. W. Wagner, Lucas K. Zoet et al.·Sep 1, 2025SaveLearn
Origin and control of pseudo-rotating spiral jetsActive flow control (AFC) methods for jet-type flows have been extensively explored since the 1970s. Spectacular examples demonstrating the AFC power and the beauty of fluid mechanics include…Karol Wawrzak, Yiqing Li, Bernd R. Noack et al.·Aug 31, 2025SaveLearn
Unsteady aerodynamic theory and experiments of hovering membrane wingsWe investigate the unsteady lift response of compliant membrane wings in hovering kinematics by combining analytical inviscid theory with experimental results. An unsteady aerodynamic model is…Sonya Tiomkin, Alexander Gehrke·Aug 31, 2025SaveLearn
A general kinematic theory of fluid-element rotation and intrinsic vorticity decompositionsThe present study proposes a general kinematic theory for fluid-element rotation and intrinsic vorticity decompositions within the context of vorticity and vortex dynamics. Both the angular…Tao Chen, Jie-Zhi Wu, Feng Mao et al.·Aug 30, 2025SaveLearn
Inertial migration of slender prolate and thin oblate spheroids in plane Poiseuille flowWe theoretically examine the inertial migration of a neutrally buoyant spheroid of aspect ratio κ in wall-bounded plane Poiseuille flow at small particle Reynolds number (Rep) and small…Prateek Anand, Ganesh Subramanian·Aug 30, 2025SaveLearn
Statistical State Dynamics based study of Langmuir TurbulenceThe dynamics of the ocean mixed layer is of central importance in determining the fluxes of momentum, heat, gases, and particulates between the ocean and the atmosphere. A prominent component of…Eojin Kim, Brian F. Farrell·Aug 29, 2025SaveLearn
A Central Differential Flux with High-Order Dissipation for Robust Simulations of Transcritical FlowsThe simulation of transcritical flows remains challenging due to strong thermodynamic nonlinearities that induce spurious pressure oscillations in conventional schemes.While primitive-variable…Bonan Xu, Chang Sun, Peixu Guo·Aug 29, 2025SaveLearn
The Moffatt-Pukhnachev flow: a new twist on an old problemThe flow of a thin viscous film on the outside of a horizontal circular cylinder, whose angular velocity is time-periodic with specified frequency and amplitude, is investigated. The constant angular…Antonio J. Bárcenas-Luque, Mark G. Blyth·Aug 29, 2025SaveLearn
Long-wave instability of stratified two-phase MHD flowInstability of a stratified two-phase MHD parallel flow between two infinite plates is addressed. We examine the effect of the transverse magnetic field on the base flow and long wave instability of…Arseniy Parfenov, Alexander Gelfgat, Neima Brauner·Aug 29, 2025SaveLearn
Quantifying non-equilibrium pressure-gradient turbulent boundary layers through a symmetry-based frameworkThis study establishes a symmetry-based framework to quantify non-equilibrium processes in complex pressure gradient (PG) turbulent boundary layers (TBLs), using a Lie-group-informed…Wei-Tao Bi, Ke-Xin Zheng, Jun Chen et al.·Aug 29, 2025SaveLearn
Flow transition of liquid-liquid two-phase Taylor-Couette flow with axial flowA liquid-liquid two-phase Taylor-Couette flow is of fundamental and practical importance in multiphase flow systems. This study investigates the flow transitions in such a system with constant axial…Hayato Masuda, Yuta Kikuchi, Hiroyuki Iyota·Aug 29, 2025SaveLearn
Tidally dominated flows past a three-dimensional topography: Wake vortices, turbulence, and mixingOceanic turbulence influences the transport and mixing of freshwater, heat, nutrients, and other biogeochemical tracers. It also has broader implications for oceanic and atmospheric circulations.…H. M. Aravind, Pranav Puthan, Sutanu Sarkar et al.·Aug 29, 2025SaveLearn
Physics-informed coherent motions to predict Lagrangian trajectoriesAccurate prediction of Lagrangian trajectories in turbulent flow remains challenging due to limited temporal information in transport functions. This paper shows that surrounding coherent motions…Ali R Khojasteh, Dominique Heitz·Aug 28, 2025SaveLearn
Performance Evaluation of a Fan-Array Wind Tunnel for Advanced Aerodynamic StudiesWind tunnel's consisting an array of computer controlled/programmable fans have evolved over the last three decades for simulating the atmospheric turbulence to study the aerodynamic loads over bluff…Kalyani Panigrahi, Rohan Bhattacharya, Sabareesh G. R. et al.·Aug 28, 2025SaveLearn
Multiscale Graph Neural Network for Turbulent Flow-Thermal Prediction Around a Complex-Shaped Pin-FinThis study presents the development of a domain-responsive edge-aware multiscale Graph Neural Network for predicting steady, turbulent flow and thermal behavior in a two-dimensional channel…Riddhiman Raut, Evan M. Mihalko, Amrita Basak·Aug 28, 2025SaveLearn
A multi-ansatz variational quantum solver for compressible flowsSimulating nonlinear partial differential equations (PDEs) such as the Navier--Stokes (NS) equations remains computationally intensive, especially when implicit time integration is used to capture…Shaobo Yao, Zhiyu Duan, Ziteng Wang et al.·Aug 28, 2025SaveLearn
Mathematical Modelling of Face Coverings for Virus ProtectionTraditional face masks used extensively, for example, during the COVID-19 pandemic, are relatively impermeable, forcing aerosol-containing breath to flow into the surrounding atmosphere by ``leaking"…Matthew D. Shirley, Ian M. Griffiths, Joseph Houghton et al.·Aug 28, 2025SaveLearn
Extending flow birefringence analysis to combined extensional-shear flows via Jeffery-Hamel flow measurementsThis study investigates the relationship between phase retardation and strain rates in combined extensional-shear flows using the Jeffery-Hamel flow formalism, which yields an analytical velocity…Miu Kobayashi, William Kai Alexander Worby, Misa Kawaguchi et al.·Aug 28, 2025SaveLearn
Streak generation in viscosity-stratified wall-bounded flowsStreamwise elongated flow structures, or streaks, dominate wall-bounded flows. We show that the renowned lift-up mechanism, that generates streaks, is significantly altered by viscosity…Anagha Madhusudanan, Simon J. Illingworth, Rama Govindarajan·Aug 28, 2025SaveLearn
A Deep-Learning Enhanced Gappy Proper Orthogonal Decomposition Method for Conjugate Heat Transfer ProblemThe current study aims to develop a non-intrusive Reduced Order Model (ROM) to reconstruct the full temperature field for a large-scale industrial application based on both numerical and experimental…Arash Hajisharifi, Rahul Halder, Michele Girfoglio et al.·Aug 28, 2025SaveLearn
Mesoscale particle-based simulations of flow in expansion-contraction microchannels at low Reynolds numberWe computationally study the flow of Newtonian fluids through sinusoidal expansion-contraction microchannels at low Reynolds number. We first use a perturbation method to analytically derive series…Tzortzis Koulaxizis, Clara De La Torre Garcia, C. Levi Petix et al.·Aug 28, 2025SaveLearn
Edge-effects in the turbulent flow over flexible aquatic vegetationRiparian vegetation along riverbanks and seagrass along coastlines interact with water currents, significantly altering their flow. To characterise the turbulent fluid motion along the…Giulio Foggi Rota, Elisa Tressoldi, Francesco Avallone et al.·Aug 28, 2025SaveLearn
Efficient Estimation of Temporal Exceeding Probability for Ship Responses in Broadband Wave FieldsIn this paper, we develop an efficient method to evaluate the temporal exceeding probability of ship motion (percentage of time for the ship motion to be above a given high threshold) in an irregular…Shayesteh Hafezi, Xianliang Gong, Yulin Pan·Aug 27, 2025SaveLearn
Preferential sampling enabled by particle finite size and anisotropic shapeAnisotropic, finite-sized particles, common in environmental and industrial flows, exhibit complex dynamics distinct from those of small, spherical particles. Their shape introduces…Helena E. Schreder, Kartik Krishna, Steven L. Brunton et al.·Aug 27, 2025SaveLearn