DrivAerML: High-Fidelity Computational Fluid Dynamics Dataset for Road-Car External AerodynamicsMachine Learning (ML) has the potential to revolutionise the field of automotive aerodynamics, enabling split-second flow predictions early in the design process. However, the lack of open-source…Neil Ashton, Charles Mockett, Marian Fuchs et al.·Aug 21, 2024SaveLearn
Multi-scale interactions in turbulent mixed convection drive efficient transport of Lagrangian particlesWhen turbulent convection interacts with a turbulent shear flow, the cores of convective cells become aligned with the mean current, and these cells (which span the height of the domain) may interact…Andrew P. Grace, David H. Richter·Aug 21, 2024SaveLearn
Durotaxis and antidurotaxis droplet motion onto gradient gel-substratesThe self-sustained motion of fluids on gradient substrates is a spectacular phenomenon, which can be employed and controlled in applications by carefully engineering the substrate properties. Here,…R. Kajouri, P. E. Theodorakis, A. Milchev·Aug 21, 2024SaveLearn
Time-Dependent Strategy for Improving Aortic Blood Flow Simulations with Boundary Control and Data AssimilationUnderstanding time-dependent blood flow dynamics in arteries is crucial for diagnosing and treating cardiovascular diseases. However, accurately predicting time-varying flow patterns requires…Muhammad Adnan Anwar, Jorge Tiago·Aug 21, 2024SaveLearn
Transition route to elastic and elasto-inertial turbulence in polymer channel flowsViscoelastic shear flows support additional chaotic states beyond simple Newtonian turbulence. In vanishing Reynolds number flows, the nonlinearity in the polymer evolution equation alone can sustain…Miguel Beneitez, Jacob Page, Yves Dubief et al.·Aug 21, 2024SaveLearn
Rheological behavior of molybdenum disulfide (MoS2) inks under electric fields: influence of concentration and voltageThis work provides a complete rheological characterization of molybdenum disulfide (MoS2) inks in the presence of electric fields. Several concentrations of MoS2 are studied and dispersed in a…Pedro C Rijo, Francisco J. Galindo-Rosales·Aug 21, 2024SaveLearn
Twist, turn and encounter: the trajectories of small atmospheric particles unravelledEvery solid particle in the atmosphere, from ice crystals and pollen to dust, ash, and microplastics, is non-spherical. These particles play significant roles in Earth's climate system, influencing…Taraprasad Bhowmick, Yong Wang, Jonas Latt et al.·Aug 21, 2024SaveLearn
On the Quantization of the Motion of LiquidsFor building up a theory of superfluid Helium-4, Lev Landau ingeniously unified the principles of quantum mechanics with the principles of hydrodynamics. By introducing a velocity operator he was…Nadine Suzan Cetin·Aug 21, 2024SaveLearn
Identifying Locally Turbulent Vortices within InstabilitiesThis work presents an approach for the automatic detection of locally turbulent vortices within turbulent 2D flows such as instabilites. First, given a time step of the flow, methods from Topological…Fabien Vivodtzev, Florent Nauleau, Jean-Philippe Braeunig et al.·Aug 21, 2024SaveLearn
The effect of normal electric fields on the Stokes driftIn periodic wave motion, particles beneath the wave undergo a drift in the direction of wave propagation, a phenomenon known as Stokes drift. While extensive research has been conducted on Stokes…Luiz P. Palacio, Marcelo V. Flamarion, Tao Gao et al.·Aug 20, 2024SaveLearn
Mean field lattice Boltzmann model for reactive mixtures in porous mediaA new lattice Boltzmann model (LBM) is presented to describe chemically reacting multicomponent fluid flow in homogenised porous media. In this work, towards further generalizing the multicomponent…Nilesh Sawant, Ilya Karlin·Aug 20, 2024SaveLearn
Airfoil Synchronous Surging and PitchingCombined pitching-and-surging of an airfoil at the identical frequency (i.e., synchronously), at four different phase-differences, was investigated theoretically and experimentally. The most general…C. Strangfeld, H. F. Müller-Vahl, C. N. Nayeri et al.·Aug 20, 2024SaveLearn
Onset instability of inverted flags clamped by a cylinderWe numerically investigate the hydrodynamic characteristics and analyze the instability mechanism of a two-dimensional inverted flag clamped by a cylinder. Two transition routes and a total of six…Haokui Jiang, Yujia Zhao, Burigede Liu et al.·Aug 20, 2024SaveLearn
Data-driven shape inference in three-dimensional steady state supersonic flows using ODIL and JAX-FluidsWe present a novel data- and first-principles-driven method for inferring the shape of a solid obstacle and its flow field in three-dimensional steady-state supersonic flows. The method combines the…Aaron B. Buhendwa, Deniz A. Bezgin, Petr Karnakov et al.·Aug 19, 2024SaveLearn
Evaporation-driven coalescence of two droplets undergoing freezingWe examine the evaporation-induced coalescence of two droplets undergoing freezing by conducting numerical simulations employing the lubrication approximation. When two sessile drops undergo freezing…Sivanandan Kavuri, George Karapetsas, Chander Shekhar Sharma et al.·Aug 19, 2024SaveLearn
Inertial Focusing of Spherical Particles: The Effects of Rotational MotionThe identification of cells and particles based on their transport properties in microfluidic devices is crucial for numerous applications in biology and medicine. Neutrally buoyant particles…Dmitry Alexeev, Sergey Litvinov, Athena Economides et al.·Aug 18, 2024SaveLearn
Temperature jump coefficients in polyatomic gas with strong translational/internal non-equilibriumThe temperature jump problem in polyatomic gas flow with translational/internal non-equilibrium is investigated, where the internal temperature is excited by volumetric heating, while the…Bin Hu, Lei Wu·Aug 18, 2024SaveLearn
The eddies are attached, but it is all rightThe behavior of velocity fluctuations near a wall has long fascinated the turbulence community, because the prevalent theoretical framework of an attached-eddy hierarchy appears to predict infinite…Javier Jiménez·Aug 17, 2024SaveLearn
Particulate Reshapes Surface Jet Dynamics Induced by a Cavitation BubbleLiquid jet formations on water surfaces serve as a cornerstone in diverse scientific disciplines, underpinning processes in climatology, environmental science, and human health issues. Traditional…Xianggang Cheng, Xiao-Peng Chen, Zhi-Ming Yuan et al.·Aug 17, 2024SaveLearn
Potential for damage to fruits during transport through cross-section constrictionsFruit preparations are used in various forms in the food industry. For example, they are used as an ingredient in dairy products such as yogurt with added fruit. The dispersed fruit pieces can be…J. E. Marquardt, B. Eysel, M. Sadric et al.·Aug 17, 2024SaveLearn
A new temperature evolution equation that enforces thermodynamic vapour-liquid equilibrium in multiphase flows -- application to CO2 modelingThis work presents a novel framework for numerically simulating the depressurization of tanks and pipelines containing carbon dioxide (CO2). The framework focuses on efficient solution strategies for…Pardeep Kumar, Benjamin Sanderse, Patricio I. Rosen Esquivel et al.·Aug 17, 2024SaveLearn
Aerodynamic equilibria and flight stability of plates at intermediate Reynolds numbersThe passive flight of a thin wing or plate is an archetypal problem in flow-structure interactions at intermediate Reynolds numbers. This seemingly simple aerodynamic system displays an impressive…Olivia Pomerenk, Leif Ristroph·Aug 16, 2024SaveLearn
Comparing two different types of stochastic parametrisation in geophysical flowThis paper investigates the effects of stochastic variations in bathymetry on the solutions of the thermal quasigeostrophic (TQG) equations. These stochastic perturbations generate a variety of…Darryl Holm, Wei Pan, James Woodfield·Aug 16, 2024SaveLearn
Fluctuation-driven dynamics of liquid nano-threads with external hydrodynamic perturbationsInstability and rupture dynamics of a liquid nano-thread, subjected to external hydrodynamic perturbations, are captured by a stochastic lubrication equation (SLE) incorporating thermal fluctuations…Zhao Zhang, Chengxi Zhao, Ting Si·Aug 16, 2024SaveLearn
A geometrical Green-Naghdi type system for dispersive-like waves in prismatic channelsWe consider 2D free surface gravity waves in prismatic channels with bathymetric variations uniquely in the transverse direction. Starting from the Saint-Venant equations (shallow water equations) we…Sergey Gavrilyuk, Mario Ricchiuto·Aug 16, 2024SaveLearn