Implicit Velocity Correction Schemes for Scale-Resolving Simulations of Incompressible Flow: Stability, Accuracy, and PerformanceScale-resolving simulations of high Reynolds number incompressible flows are often limited by the Courant-Friedrichs-Lewy (CFL) stability restriction imposed by explicit time-stepping schemes,…Henrik Wüstenberg, Alexandra Liosi, Spencer J. Sherwin et al.·Apr 17, 2026SaveLearn
Towards PR-DNS of scour around a wall-mounted cylinder in turbulent open channel flowParticle-resolved direct numerical simulation (PR-DNS) is performed for turbulent open channel flow over a smooth horizontal wall with a vertical cylinder and a dilute set of mobile, heavy, spherical…Leo Bürk, Artjom Hermann, Markus Weyrauch et al.·Apr 17, 2026SaveLearn
Large-eddy simulation of the FDA benchmark blood pump: validation against experiments and implications for turbulent flow mechanismsThis study presents a systematic validation and comparative assessment of computational fluid dynamics (CFD) strategies for centrifugal blood pump simulations using the U.S. Food and Drug…Xuanming Huang, Chi Ding, Yujie Sun et al.·Apr 17, 2026SaveLearn
Stabilisation of second Mack mode in hypersonic boundary layers through spanwise non-uniform surface temperature distributionThe extreme heat fluxes characteristic of hypersonic flows significantly limit the flight envelope of hypersonic vehicles. The role of hydrodynamic instability and the onset of laminar to turbulent…L. Boscagli, G. Rigas, O. Marxen et al.·Apr 17, 2026SaveLearn
A data-driven approach for 2D vorticity PDF equations by a new conditional average estimationWe consider the statistics for the vorticity field in two-dimensional homogeneous isotropic turbulence (HIT). First, we exploit the invariance properties to derive dimensionally reduced governing…Qian Huang, Simon Görtz, Paul Hollmann et al.·Apr 16, 2026SaveLearn
Component-Based Reduced-Order Modeling Framework for Rocket Combustion Dynamics in Multi-Injector ConfigurationsEven with the most advanced computational capabilities, high-fidelity (e.g., large-eddy) simulations of large-scale rocket engines remain far out of reach. In the current work, we develop and…Brody Gatza, Cheng Huang·Apr 16, 2026SaveLearn
Superstatistical Approach to Turbulent Circulation FluctuationsRecent investigations of turbulent circulation fluctuations have uncovered substantial insights into the statistical organization of flow structures and revealed unexpected geometric features of…Henrique S. Lima, Rodrigo M. Pereira, Luca Moriconi et al.·Apr 16, 2026SaveLearn
Endwall and leading-edge film cooling of turbine blades in a hydrogen-fueled rotating detonation combustor-turbine coupled systemThis study performs a three-dimensional numerical simulation of the coupled flow field in a hydrogen-air rotating detonation combustor (RDC)-turbine system to evaluate the effectiveness of different…Yeqi Zhou, Songbai Yao, Jingtian Yu et al.·Apr 16, 2026SaveLearn
Deformation and instability of sessile soap bubbles in an electric fieldInterfacial deformation under electric fields is a common phenomenon in many industrial processes. Particularly, we are interested in the dynamics of sessile soap bubbles in a parallel-plate electric…Hongsik Kim, Sunghwan Jung·Apr 16, 2026SaveLearn
Field Inversion Symbolic Regression with Embedded Equation Learner for Interpretable Turbulence Model CorrectionAn interpretable, physics-consistent turbulence model correction framework, termed FISR-Equation Learner (EQL), is proposed by embedding equation learning directly into a Partial Differential…Li Jiazhe, Wu Chenyu, He Zizhou et al.·Apr 16, 2026SaveLearn
A Discrete Adjoint Gas-Kinetic Scheme for Aerodynamic Shape Optimization in Turbulent Continuum FlowsThis study presents an efficient and accurate discrete adjoint gas-kinetic scheme (GKS) for sensitivity analysis and aerodynamic shape optimization in continuum flow regimes. Developed using the…Hangkong Wu, Yuze Zhu, Yajun Zhu et al.·Apr 16, 2026SaveLearn
Measurements and modeling of swimming speed dependence on stroke frequency in scyphozoan jellyfishScyphozoan jellyfish exhibit the highest locomotive efficiency in the animal kingdom making them of particular interest in fluid dynamics and bioinspired robotics. Despite this prevalent analytical…Noa K. Yoder, John O. Dabiri·Apr 16, 2026SaveLearn
Collective dynamics of active suspensions on curved viscous interfacesSelf-propelled particles can navigate complex environments, including viscous fluid interfaces with curved geometries. In this work, we study the emergent dynamics of a suspension of self-propelled…Yuzhu Chen, Vishal P. Patil, David Saintillan·Apr 15, 2026SaveLearn
Timescale Separation Enables Deep Reinforcement Learning Control of Rotating Detonation Engine Mode TransitionsRotating detonation engines (RDEs) are a promising propulsion concept that may offer higher thermodynamic efficiency and specific impulse than conventional systems, but nonlinear phenomena, including…Kristian Holme, Jean Rabault, Ricardo Vinuesa et al.·Apr 15, 2026SaveLearn
Evaporative thermo-fluidics and deposition patterns in surface-active dropletsWe investigate the thermo solutal transport phenomena and deposition patterns during the evaporation of surfactant laden droplets experimentally and through theoretical scaling based analysis.…Randeep Ravesh, A R Harikrishnan, Purbarun Dhar·Apr 15, 2026SaveLearn
Flow Characterization of the Delft Multiphase Flow TunnelAt the end of 2020, a new cavitation tunnel was commissioned at the Ship Hydrodynamics laboratory of TU Delft, replacing its 1960s predecessor. Since this was a new facility, a flow characterization…Lina Nikolaidou, Angeliki Laskari, Tom van Terwisga et al.·Apr 15, 2026SaveLearn
Nested Fourier-enhanced neural operator for efficient modeling of radiation transfer in firesComputational fluid dynamics (CFD) has become an essential tool for predicting fire behavior, yet maintaining both efficiency and accuracy remains challenging. A major source of computational cost in…Anran Jiao, Wengyao Jiang, Xiaoyi Lu et al.·Apr 15, 2026SaveLearn
Orientation dynamics of a settling spheroid in simple shear flow: bifurcations and stochastic alignmentWe investigate the orientation dynamics of a settling spheroid in simple shear flow, combining a deterministic dynamical-systems analysis with a stochastic Fokker-Planck treatment. The dynamics is…Himanshu Mishra, Anubhab Roy·Apr 15, 2026SaveLearn
Optimizing thermal convection by phase-locking circulation to wall oscillationsThis study numerically investigates two-dimensional Rayleigh-Benard convection subjected to horizontal oscillation of the bottom plate, with Prandtl number Pr=4.3, Rayleigh numbers Ra ranging from…YaLin Zhu, Jian-Chao He, Xi Chen·Apr 15, 2026SaveLearn
Nonlinear scalings emerge in a linear regime: an observation in electrokinetic flowIn nonlinear systems, small perturbations are conventionally attributed to negligible nonlinearity, justifying linear approximations. Here, we uncover a notable exception to this paradigm in an…Jin'an Pang, Guangyin Jing, Xiaoqiang Feng et al.·Apr 15, 2026SaveLearn
Data-driven Learning of Probabilistic Model of Binary Droplet Collision for Spray SimulationBinary droplet collisions are ubiquitous in dense sprays. Traditional deterministic models cannot adequately represent transitional and stochastic behaviors of binary droplet collision. To bridge…Weiming Xu, Tao Yang, Peng Zhang·Apr 15, 2026SaveLearn
Investigation of Mist and Air Film Cooling in a Two-Phase Rotating Detonation Combustor with Liquid KeroseneWe present a numerical investigation of kerosene droplet mist film cooling for the thermal protection of the rotating detonation combustor (RDC) and compare its performance with conventional air film…Yeqi Zhou, Songbai Yao, Wenwu Zhang·Apr 15, 2026SaveLearn
Improved third-order scheme in pseudopotential lattice Boltzmann model for multiphase flowsThe lattice Boltzmann (LB) equation with a third-order scheme can be regarded as a unified and self-consistent framework of the pseudopotential LB model for multiphase flows. In this work, we…Rongzong Huang, Jiayi Huang, Qing Li·Apr 15, 2026SaveLearn
Two-component inner--outer scaling model for the wall-pressure spectrum at high Reynolds numberWall-pressure fluctuations beneath turbulent boundary layers drive noise and structural fatigue through interactions between fluid and structural modes. Conventional predictive models for the…Jonathan M. O. Massey, Alexander J. Smits, Beverley J. McKeon·Apr 15, 2026SaveLearn
Turbulent pair dispersion with Stochastic Generative Diffusion ModelsRecent advances in data-driven modeling have shown that diffusion models can successfully generate synthetic Lagrangian trajectories in turbulent flows. Building on this progress, we extend the…Andrei Pantea, Luca Biferale, Michele Buzzicotti et al.·Apr 14, 2026SaveLearn