Lattice Boltzmann model for non-ideal compressible fluid dynamicsWe present a new kinetic model and its lattice Boltzmann realization for the simulation of compressible, non-ideal fluid flows. The method employs first-neighbour lattices and introduces a consistent…S. A. Hosseini, M. Feinberg, I. V. Karlin·Oct 16, 2025SaveLearn
Stability of trapped fluid clusters in two-phase porous media flowA key challenge in multiphase flow through porous media is to understand and predict the conditions under which trapped fluid clusters become mobilized. Here, we investigate the stability of such…Mathias Klahn, Gaute Linga, Tanguy Le Borgne et al.·Oct 16, 2025SaveLearn
Analysis and prediction of noise from installed subsonic chevron jetsAn experiment is conducted to investigate the effects of chevrons on installed subsonic jet noise at a Mach number of 0.5 using the NASA SMC000 (round) and SMC006 (chevron) nozzles. The jets are of a…Hasan Kamliya Jawahar, Benshuai Lyu, Mahdi Azarpeyvand·Oct 16, 2025SaveLearn
Self-adaptive elastic flaps with bending and torsion for 3D blunt body drag reductionThis study investigates the potential for drag-reduction of low-mechanical-order, self-adaptive control systems, consisting of hinged flaps attached along the edges of the rectangular base of a…J. M. Camacho-Sánchez, M. Lorite-Díez, Y. Fan et al.·Oct 16, 2025SaveLearn
Impact of Forest Canopy Structure on Buoyant Plume Dynamics During Wildland FiresThis study investigates the influence of forest canopy heterogeneity on buoyant plume dynamics resulting from surface thermal anomalies representing wildland fires, utilizing Large Eddy Simulation…Antonio Quim Cervantes, Ajinkya Desai, Tirtha Banerjee·Oct 16, 2025SaveLearn
Wetted-Area Minimum and Inlet-Outlet Reciprocity in Optimal Manifolds of Rarefied Gas FlowsWhile flow optimization has been extensively studied in the continuum regime, its extension to rarefied gas flows remains less explored. Here, based on the Boltzmann model equation, an adjoint…Ruifeng Yuan, Lei Wu·Oct 16, 2025SaveLearn
Thermocapillary migration of an odd viscous droplet on a uniformly heated surface: A lattice Boltzmann studyIn this study, the thermocapillary actuation behavior of an odd viscous droplet on a uniformly heated surface is numerically investigated using a phase-field-based lattice Boltzmann method. The…Shan Jiang, He Yan, Chenxia Xie et al.·Oct 16, 2025SaveLearn
Sequential water wave reconstruction in VOF-based numerical wave tanks with the EnKF approachExisting phase-resolved wave reconstruction methods are mostly based on potential flow theory, which limits their ability to capture strongly nonlinear phenomena such as wave breaking dynamics. In…Liwen Yan, Linyuan Che, Jing Li·Oct 16, 2025SaveLearn
Comparative Analysis of the Flow in a Realistic Human AirwayAccurate simulations of the flow in the human airway are essential for advancing diagnostic methods. Many existing computational studies rely on simplified geometries or turbulence models, limiting…Mario Rüttgers, Julian Vorspohl, Luca Mayolle et al.·Oct 16, 2025SaveLearn
A vertically integrated model with phase change for aquifers in cold firnSurface meltwater from glaciers and ice sheets contributes significantly to sea-level rise, yet the processes governing its transport and retention within cold firn remain poorly constrained,…Mohammad Afzal Shadab, Howard A. Stone, Reed M. Maxwell·Oct 16, 2025SaveLearn
On the effect of airfoil geometry on extreme vortex-gust encountersHistorically, investigations on gust encounters have been limited to thin airfoils. In this work, we examine vortex-gust encounters by a family of airfoils at a chord-based Reynolds number Rec=100,…Barbara Lopez-Doriga, Anya R. M. Jones, Kunihiko Taira·Oct 16, 2025SaveLearn
Turbulent transport for wall shear stress fluctuationsStatistical structure and the underlying energy budget of wall shear stress fluctuations are studied in both Poiseulle and Couette flows with emphasis on its streamwise component. Using a dimensional…Myoungkyu Lee, Yongyun Hwang·Oct 15, 2025SaveLearn
Efficient Wall-Modelled Large Eddy Simulation of Rotors using Homogenized Lattice Boltzmann MethodsAccurately capturing the dynamic forces acting on rotors as well as their wake effects presents a significant challenge for computational fluid dynamics (CFD) due to high Reynolds numbers and a large…Adrian Kummerländer, Shota Ito, Maximilian Schecher et al.·Oct 15, 2025SaveLearn
Nonhomogeneous elastic turbulence in the two-dimensional Taylor-Couette flowElastic turbulence is a spatially and temporally disordered flow state appearing in viscoelastic fluids at vanishing fluid inertia and large elasticity. The resulting flows have broad technological…Zhongxuan Hou, Stefano Berti, Teodor Burghelea et al.·Oct 15, 2025SaveLearn
Stable stratification enhances transient growth in streaky shear flowsRecent work has found that the well-known `lift-up' mechanism is not important for, and may even inhibit, the transient growth possible on streaky wall-bounded shear flows which is believed an…Will Oxley, Rich Kerswell·Oct 15, 2025SaveLearn
Statistical properties of compressible isothermal turbulence from sub- to supersonic conditionsThis paper investigates the statistical properties of isothermal turbulence in both the subsonic and supersonic regimes. The focus is on the influence of the Mach number (Ma) and the Reynolds…F. Thiesset, C. Federrath·Oct 15, 2025SaveLearn
Evaluation of Statistical Consistency in Synthetic Turbulence under Wavenumber BoundsThe random Fourier method (RFM) is widely employed for synthetic turbulence due to its mathematical clarity and simplicity. However, deviations remain between prescribed inputs and synthetic results,…Hongyuan Lin, Yi Liu, Shizhao Wang et al.·Oct 15, 2025SaveLearn
Low Reynolds number flow in a packed bed of rotated barsThe present study focuses on the gas flow through an experiment-scale modular packed bed reactor consisting of square bars, arranged in layers. Each layer is rotated by 30 resulting in a…Wojciech Sadowski, Christin Velten, Maximilian Brömmer et al.·Oct 14, 2025SaveLearn
Migration and spreading of a droplet driven by a chemical stepThe chemical step is an elementary pattern in chemically heterogeneous substrates, featuring two regions of different wettability separated by a sharp border. Within the framework of lubrication…Zhuo Long, Peng Gao·Oct 14, 2025SaveLearn
Hydrodynamic Ratchet for Tracer Transport in a Soft Microchannel: A Detailed AnalysisUnderstanding surface-driven transport is of paramount importance from the perspective of biological applications and the synthesis of microfluidic devices. In this work, we develop an analysis of a…Aakash Anand, A. Bhattacharyay·Oct 14, 2025SaveLearn
Model of deep zonal flows in giant planetsA mechanism by which the surface zonal flows of giant planets can be gradually attenuated with depth is explored. The zonal flow is driven by an imposed forcing in a thin layer near the surface. A…Laura K. Currie, Chris A. Jones·Oct 14, 2025SaveLearn
Is the transition to unsteadiness in the wake of slender bodies an artefact of boundary conditions ?This work considers the transition to unsteadiness in the wake of 2D slender bodies, and questions the relevance of the generally accepted scenario involving a region of absolute instability within…David Fabre·Oct 13, 2025SaveLearn
Verification of Convergent-Divergent Nozzle Designs in Propulsion Aerospace ApplicationsThe performance of convergent and divergent nozzles is critical in aerospace propulsion systems, where the efficient expansion of high-temperature, high-pressure gases directly impacts thrust…Noah L. Estrada, Marc A. Cantu, Arturo Rodriguez et al.·Oct 13, 2025SaveLearn
A novel spatial distribution method for wind farm parameterizations based on the Gaussian functionWind farm parameterizations are crucial for quantifying the wind-farm atmosphere interaction, where wind turbines are typically modeled as elevated momentum sinks and sources of turbulence kinetic…Bowen Du, Qi Li, Mingwei Ge et al.·Oct 13, 2025SaveLearn
Impact of Wind Direction on Flow Over a Realistic Urban Area: A Large-Eddy Simulation StudyWe conducted high-resolution large-eddy simulations over a real urban district in Barcelona to examine the impact of wind direction on near-ground flow. The computational mesh resolves over 500…Ivette Rodríguez, Josep Maria Duró, Ernest Mestres et al.·Oct 13, 2025SaveLearn