Intermittency from instanton calculus at the transition to turbulence and fusion rulesUnderstanding intermittency of turbulent systems from the underlying differential equations is an outstanding problem in fluid dynamics. Here, in the example of Burgers turbulence as a stringent…Timo Schorlepp, Rainer Grauer·Dec 3, 2025SaveLearn
Linking Aneurysmal Geometry and Hemodynamics Using Computational Fluid DynamicsThe development and progression of abdominal aortic aneurysms (AAA) are related to complex flow patterns and wall-shear-driven mechanobiological stimuli, yet the quantitative relationship between…Spyridon C. Katsoudas, Konstantina C. Kyriakoudi, Grigorios T. Chrimatopoulos et al.·Dec 3, 2025SaveLearn
Drag reduction via separation control using plasma actuators on a truck cabin sideWe investigate the drag reduction on a heavy-duty vehicle using dielectric-barrier discharge plasma actuators located on the A-pillars. An experimental campaign is carried out on a generalized truck…Lucas Schneeberger, Stefano Discetti, Andrea Ianiro·Dec 3, 2025SaveLearn
Fast directional transport of Leidenfrost droplets on spiked surfacesThe Leidenfrost effect enables droplets to levitate above a solid surface, significantly reducing the resistance to droplet motion. In this study, a spiked surface is utilized to achieve fast…Kai-Xin Hu, Dong-Xu Duan, Yin-Jiang Chen et al.·Dec 3, 2025SaveLearn
Linear stability of nanofluid boundary-layer flow over a flat plateThe linear stability of nanofluid boundary-layer flow over a flat plate is investigated using a two-phase model that incorporates Brownian motion and thermophoresis, building upon the earlier work of…Christian Thomas, Sharon O. Stephen, Jitesh. S. B. Gajjar et al.·Dec 3, 2025SaveLearn
Self-Tuning Dynamic Explicit Modal Filtering Based on Local Flow Characteristics for Large-Eddy SimulationThis work improves upon our previously introduced explicit dynamic modal filter (DEMF) within the framework of the discontinuous Galerkin spectral element method (DGSEM) by introducing a mechanism…Mohammadmahdi Ranjbar, Ali Mostafavi, Farzad Mashayek·Dec 2, 2025SaveLearn
Idealized Cumulus Cloud-Scale Motions and the Dynamics of Isolated and Coupled FlowsDeveloping an understandable theory for the dynamic evolution of the morphology of clouds remains intractable. To break this deadlock, we introduce a new conceptual model for cloud-scale motions…Dario P. Falcone, Matthew R. Igel, Joseph A. Biello·Dec 2, 2025SaveLearn
Models of Flow through Porous Media of Polar Fluids with Pressure-Dependent ViscosityEquations governing the flow of a polar fluid, with pressure-dependent Newtonian viscosity, through a variable-porosity medium are developed. Averaged equations are obtained using intrinsic volume…M. H. Hamdan, D. C. Roach·Dec 2, 2025SaveLearn
Role of boundary conditions and wall orientation on the transport of settling inertial particles in wall-bounded flowsGravitational settling affects particle transport in turbulent flows in two ways; explicitly, by introducing a finite settling velocity, and implicitly, by modifying how the particles interact with…Y. Zhang, D. H. Richter, A. D. Bragg·Dec 2, 2025SaveLearn
Ridged geometries induce axial flow vortices in Couette systemsA yield stress fluid has a critical stress above which the material starts to flow. Typically, the yield stress behaviour is captured in the Herschel-Bulkley (HB) model, which assumes a constant…Akankshya Majhi, Maria Raquel Serial, Lars Kool et al.·Dec 2, 2025SaveLearn
Regime Maps for Sloshing in Horizontal Cylindrical Tanks Under Vertical AccelerationVertical sloshing in partially filled fuel tanks can significantly impact vehicle stability and structural integrity, particularly under harmonic accelerations near twice the sloshing natural…Francisco Monteiro, Tommaso De Maria, Samuel Ahizi et al.·Dec 2, 2025SaveLearn
Two-phase flow in porous metal foam flow fields of PEM fuel cellsPorous metal foam (PMF) flow field is a potential option for proton exchange membrane fuel cells (PEMFCs) due to its excellent capabilities in gas distribution and water drainage. However, the…Xingxiao Tao, Kai Sun, Rui Chen et al.·Dec 2, 2025SaveLearn
Mass transfer and water management in proton exchange membrane fuel cells with a composite foam-rib flow fieldMass transfer capability of reactants and hydrothermal management is important for the performance and durability of proton exchange membrane fuel cells. In the conventional rib flow field, the…Wei Gao, Qifeng Li, Kai Sun et al.·Dec 2, 2025SaveLearn
Singular jets during droplet impact on superhydrophobic surfacesHypothesis: The impact of droplets is prevalent in numerous applications, and jetting during droplet impact is a critical process controlling the dispersal and transport of liquid. New jetting…Xiaoyun Peng, Tianyou Wang, Feifei Jia et al.·Dec 2, 2025SaveLearn
Instability triggered by mixed convection in a thin fluid layerWe investigate the convective stability of a thin, infinite fluid layer with a rectangular cross-section, subject to imposed heat fluxes at the top and bottom and fixed temperature along the vertical…Florian Rein, Keaton J. Burns, Stefan G. Llewellyn Smith et al.·Dec 2, 2025SaveLearn
Scalable, Cloud-Based Simulations of Blood Flow and Targeted Drug Delivery in Retinal CapillariesWe investigate the capabilities of cloud computing for large-scale,tightly-coupled simulations of biological fluids in complex geometries, traditionally performed in supercomputing centers. We…Lucas Amoudruz, Sergey Litvinov, Riccardo Murri et al.·Dec 1, 2025SaveLearn
Neural Networks for Predicting Permeability Tensors of 2D Porous Media: Comparison of Convolution- and Transformer-based ArchitecturesPermeability is a central concept in the macroscopic description of flow through porous media, with applications spanning from oil recovery to hydrology. Traditional methods for determining the…Sigurd Vargdal, Paula Reis, Henrik Andersen Sveinsson et al.·Dec 1, 2025SaveLearn
Analysis and reformulation of the k--ω turbulence model for buoyancy-driven thermal convectionThe representation of buoyancy-driven turbulence in Reynolds-averaged Navier--Stokes (RANS) models remains unresolved, with no widely accepted standard formulation. A key difficulty is the lack of…Da-Sol Joo·Dec 1, 2025SaveLearn
How do trout regulate patterns of muscle contraction to optimize propulsive efficiency during steady swimmingUnderstanding efficient fish locomotion offers insights for biomechanics, fluid dynamics, and engineering. Traditional studies often miss the link between neuromuscular control and whole-body…Tao Li, Chunze Zhang, Weiwei Yao et al.·Dec 1, 2025SaveLearn
Capillary flow simulation with the phase-field-based lattice Boltzmann solverThe phase-field-based lattice Boltzmann (LB) model has been developed to perform high fidelity multiphase flow simulations. Its ability to accurately handle high density ratio and surface tension…R. Thirumalaisamy, S. Kim, H. Otomo et al.·Nov 30, 2025SaveLearn
Lattice Boltzmann models for the hydrodynamic equations in multiphase flow with high density ratioMultiphase flows with high density ratios, such as water and air flows, have recently been simulated using the lattice Boltzmann (LB) method. This approach corresponds to solving the phase field…H. Otomo, C. Sun, T. Inamuro et al.·Nov 30, 2025SaveLearn
A data-driven framework to identify restenosis-prone regions in femoral arteries from geometric and inflow waveform parametersHaemodynamic indices derived from Computational Fluid Dynamics (CFD), such as Time-averaged Wall Shear Stress (TAWSS) and Oscillatory Shear Index (OSI), are closely associated with restenosis risk in…Chotirawee Chatpattanasiri, Federica Ninno, Vanessa Dıaz-Zuccarini et al.·Nov 30, 2025SaveLearn
A simulation approach including under-resolved scales for multi-component fluid flows in multi-scale porous structuresIn this study, we develop computational models and methodology for accurate multi-component-flow simulation in under-resolved multi-scale porous structures. It is generally impractical to fully…Hiroshi Otomo, Rafael Salazar-Tio, Jingjing Yang et al.·Nov 30, 2025SaveLearn
Self-similar multishock implosions for ultrahigh compression of matterWe present a class of self-similar solutions describing ultrahigh compression of a uniform-density target by spherically converging, stacked shock waves. Extending the classical Guderley model, we…M. Murakami·Nov 30, 2025SaveLearn
Numerical Solution to the Riemann Problem for a Liquid-Gas Two-phase Isentropic Flow ModelA recently introduced two-phase flow model by Chun Shen is studied in this work. The model is derived to describe the dynamics of immersed water bubbles in liquid water as carrier. Several…Abdul Rab·Nov 30, 2025SaveLearn