Validation of a high-order finite difference compressible solverThe verification and validation of a high-order compressible in-house solver based on a compact finite difference scheme are presented. Validation is performed using five canonical cases: the…Yujoo Kang, Sang Lee·Feb 6, 2026SaveLearn
Comparison of inviscid and viscous vortex shedding from translating and rotating platesWe compare an inviscid vortex sheet model with continuous leading-edge shedding with direct Navier-Stokes simulations over a wide range of unsteady plate motions at moderate Reynolds number…Yu Jun Loo, Silas Alben·Feb 6, 2026SaveLearn
A Unified Wake Topology Map for He II Counterflow Past a CylinderThermal counterflow of superfluid 4He past a cylinder produces quasi-steady eddies not only downstream but also anomalously upstream. However, the mechanism and organizing principles behind the…Yingxuan Hu, Wenling Huang, Shihao Yang et al.·Feb 6, 2026SaveLearn
Optimal wind farm energy and reserve scheduling incorporating wake interactionsThis paper proposes a novel approach for optimal energy and reserve scheduling of wind farms by explicitly modelling wake interactions to enhance market participation and operational efficiency.…Marin Mabboux-Fort, Majid Bastankhah, Peter C Matthews et al.·Feb 5, 2026SaveLearn
On particle dynamics in steady axial rotor flowsWe investigate the effect of rotor velocity induction on the distribution of particles impinging on rotor blades and model the delayed response of a particle to the rotor-induced velocity field. We…Francesco Caccia, Alberto Guardone·Feb 5, 2026SaveLearn
On the stability of viscous Riemann ellipsoidsThe present study investigates the linear stability of Riemann ellipsoids in both the inviscid limit and in the presence of weak viscosity. In the inviscid regime, we derive a generalised Poincare…Joris Labarbe·Feb 5, 2026SaveLearn
cfdmfFTFoam: A front-tracking solver for multiphase flows on general unstructured grids in OpenFOAMThe Front-Tracking Method (FTM) is a promising approach for numerical solution of multiphase flows, considering a trade-off between accuracy and computational cost. The existing open-source…Ehsan Amani·Feb 5, 2026SaveLearn
A term-by-term variational multiscale method with dynamic subscales for incompressible turbulent aerodynamicsVariational multiscale (VMS) methods offer a robust framework for handling under-resolved flow scales without resorting to problem-specific turbulence models. Here, we propose and assess a dynamic,…Diego Escobar, Douglas Pacheco, Alejando Aguirre et al.·Feb 5, 2026SaveLearn
Covariant Helmholtz-Hodge Decomposition: Resolving Spurious Vorticity via Acoustic GeometryThe separation of acoustic and vortical fluctuations in compressible turbulence becomes ambiguous in thermodynamically inhomogeneous media, where refraction by entropy gradients and shocks can be…Chanho Park, Yeachan Kwak, Seongim Choi·Feb 5, 2026SaveLearn
Navier-Stokes-driven analysis of mean and fluctuating wall shear stress in turbulent channel flowWe propose a Navier-Stokes-driven analysis of the mean and fluctuating wall shear stress (WSS) applied to turbulent channel flow data from direct numerical simulations at friction Reynolds numbers up…Le Yin, Yongyun Hwang, John Christos Vassilicos·Feb 4, 2026SaveLearn
Tracking stall cell dynamics at high Reynolds numbersThe spanwise organization of the flow over a thick airfoil is investigated using surface pressure measurements for a range of angles of attack around maximum lift and high Reynolds numbers (1…Badoui Hanna, Bérengère Podvin, Caroline Braud·Feb 3, 2026SaveLearn
Distributed Roughness-Induced Transition on a Blunt Body at Mach 6: a Numerical InvestigationSurface roughness significantly impacts transition to turbulence, especially over high-speed, blunt geometries where surface ablation is necessary to mitigate heat loads during atmospheric entry.…Sean Dungan, Mateus Braga, Robyn Macdonald et al.·Feb 3, 2026SaveLearn
A comparison of different image analysis techniques for mapping spatiotemporal pH and carbon dissolution in density-driven convection of CO2 in waterDensity-driven convection enhances the carbon dissolution rate, which is significant for the geological carbon storage. This process will also influence the spatiotemporal pH and carbon…Yao Xu, Marcel Moura, Eirik Grude Flekkøy et al.·Feb 3, 2026SaveLearn
How Spontaneous Electrowetting and Surface Charge affect Drop MotionWater drops sliding on hydrophobic surfaces spontaneously separate charges at their rear. It is unclear how this charge separation affects the contact angles of a sliding drop. We slide grounded and…Chirag Hinduja, Benjamin Leibauer, Rishi Chaurasia et al.·Feb 3, 2026SaveLearn
Causal structures of turbulent skin-friction drag in wall-bounded turbulent flowsUnderstanding the mechanism of turbulent skin-friction drag (TSD) generation is of fundamental and practical importance for designing effective drag reduction strategies. However, many previous…Yunchao Zhao, Yitong Fan, Weipeng Li·Feb 3, 2026SaveLearn
Impulse-induced liquid jets from bubbles with arbitrary contact anglesThis paper investigates the relationship between the contact angle of a spherical bubble attached to a tube submerged in a container and the jet speed induced by an impulsive acceleration at its…Hiroyuki Miyoshi, Hiroya Watanabe, Ishin Kikuchi et al.·Feb 3, 2026SaveLearn
An effective correction method for droplet volume conservation in direct numerical simulation of droplet-laden turbulenceAccurately preserving the volume of the dispersed droplets remains a significant challenge in phase-field simulations of droplet-laden turbulence, especially under conditions that feature strong…Cheng Peng, Xuming Li, Chunhua Zhang et al.·Feb 3, 2026SaveLearn
Nonlinear electrohydrodynamics of a surfactant-laden leaky dielectric dropA nonlinear three-dimensional small-deformation theory is presented for a leaky dielectric drop coated with a dilute monolayer of insoluble apolar surfactant and subjected to a uniform DC electric…Michael A. McDougall, Stephen K. Wilson, Debasish Das·Feb 3, 2026SaveLearn
Direct power spectral density estimation from structure functions without Fourier transformsSecond-order structure functions and power spectral densities are popular tools in the study of statistical properties across scales, particularly for the analysis of turbulent flows. Although…Mark A. Bishop, Sean Oughton, Tulasi N. Parashar et al.·Feb 2, 2026SaveLearn
Validation and extension of an analytic momentum availability model for the two-scale momentum theory of wind farm flowsA key parameter in the two-scale momentum theory of wind farm flows is the momentum availability, which quantifies the supply of momentum to a wind farm from various different momentum transport…Mads Baungaard, Takafumi Nishino, Andrew Kirby·Feb 2, 2026SaveLearn
On Large Deformations of Oldroyd-B Drops in a Steady Electric FieldThe deformation of viscoelastic drops under electric fields is central to applications in microfluidics, inkjet printing, and electrohydrodynamic manipulation of complex fluids. This study…Sarika Shivaji Bangar, Gaurav Tomar·Feb 2, 2026SaveLearn
Physics-Informed Chebyshev Polynomial Neural Operator for Parametric Partial Differential EquationsNeural operators have emerged as powerful deep learning frameworks for approximating solution operators of parameterized partial differential equations (PDE). However, current methods predominantly…Biao Chen, Jing Wang, Hairun Xie et al.·Feb 2, 2026SaveLearn
WAKESET: A Large-Scale, High-Reynolds Number Flow Dataset for Machine Learning of Turbulent Wake DynamicsMachine learning (ML) offers transformative potential for computational fluid dynamics (CFD), promising to accelerate simulations, improve turbulence modelling, and enable real-time flow prediction…Zachary Cooper-Baldock, Paulo E. Santos, Russell S. A. Brinkworth et al.·Feb 1, 2026SaveLearn
Digital Twin Assessment of Filter Clogging Penalties in VFD-Driven Industrial Fan SystemsIndustrial ventilation systems equipped with variable-frequency drives (VFDs) often mask the aerodynamic impact of filter clogging by automatically increasing fan speed to maintain airflow setpoints.…Wichai Pattanapol, Adam Gill·Jan 31, 2026SaveLearn
Capillary currents and viscous droplet spreadingWe present the results of a combined experimental and theoretical study of the spreading of viscous droplets over rigid substrates. First, we experimentally investigate the wetting of a roughened…David Darrow, Lucas Warwaruk, John W. M. Bush·Jan 31, 2026SaveLearn