Wake-Induced Drag and Phase-Reconstructed Dynamics of a Flexible Plate in Normal FlowFlexible structures in an incoming perpendicular flow typically undergo elastic reconfiguration that reduces drag; however, at higher velocities, they are prone to dynamical instabilities that entail…Maryam Boukor, Pedro Tallón Marrón, Richard Phat The Nguyen et al.·Apr 12, 2026SaveLearn
Weakly coupled fluid-structure interaction between wall-bounded turbulent flows and defect-embedded phononic subsurfacesWe investigate the interaction between wall-bounded turbulence and defect-embedded phononic subsurface (D-Psub) using a weakly coupled fluid--structure framework, in which the flow and structure are…Ching-Te Lin, Vinod Ramakrishnan, Andres Goza et al.·Apr 12, 2026SaveLearn
High-Fidelity Reconstruction of Charge Boundary Layers and Sharp Interfaces in Electro-Thermal-Convective Flows via Residual-Attention PINNsAccurate reconstruction of localized extreme structures remains a critical bottleneck in the physics-informed modeling of electro-thermal-convective flows. Although conventional physics-informed…Baitong Zhou, Ze Tao, Ke Xu et al.·Apr 12, 2026SaveLearn
Effect of Turbulence-Closure Consistency on Airfoil IdentificationWe consider an inverse flow problem in which the airfoil shape is identified from its wake signature, namely the velocity field in the wake of a target airfoil. This is an ill-posed problem and…Zhen Zhang, George Em Karniadakis·Apr 12, 2026SaveLearn
Dynamic multiphase flow triggers chaotic mixing in porous mediaSolute mixing plays a pivotal role in a broad spectrum of chemical and biological processes across natural and engineered porous media. However, current understanding of mixing dynamics remains…Gaute Linga, Kevin Pierce, Marcel Moura et al.·Apr 11, 2026SaveLearn
Fundamental thermo-visco mechanical interactions governing the acoustic response of laser-excited nanoparticlesIn this work, we investigate the thermoacoustic generation and propagation of spherical waves in a viscous fluid induced by a laser-heated spherical particle. Periodic laser excitation gives rise to…Stefano Giordano, Michele Diego, Francesco Banfi et al.·Apr 11, 2026SaveLearn
Unified Gas-Kinetic Scheme for Unsteady Multiscale Flows with Moving BoundariesSimulating multiscale flows with moving boundaries, such as hypersonic multi-body separation and flows in micro-electro-mechanical systems (MEMS), requires robust numerical methods that couple mesh…Yue Zhang, Wenpei Long, Junzhe Cao et al.·Apr 11, 2026SaveLearn
Unified scaling laws for turbulent boundary layers across flow regimesWe discover unified scaling laws for the mean wall shear stress and the mean velocity profile in turbulent boundary layers subject to favorable and adverse mean pressure gradients-including flows…Gonzalo Arranz, Adrian Lozano-Duran·Apr 10, 2026SaveLearn
Early emergence of ultimate-like transport in two-dimensional turbulent thermomagnetic convectionScaling laws for turbulent thermomagnetic convection of a high-Pr fluid in a square cavity are obtained through direct numerical simulations and formulated via theoretical arguments informed by the…Paolo Capobianchi·Apr 10, 2026SaveLearn
Enhancing the accuracy of under-resolved numerical simulations of atmospheric flows with super resolutionSuper-resolution (SR) techniques based on deep learning have recently emerged as a promising approach to enhance the spatial resolution of computational fluid dynamics simulations while containing…Armin Sheidani, Michele Girfoglio, Annalisa Quaini et al.·Apr 10, 2026SaveLearn
Revisit eddy viscosity in pressure-driven wall turbulence at high Reynolds numberWe investigate eddy-viscosity distributions in pressure-driven wall turbulence for three canonical configurations: plane closed-channel flow, open-channel flow with a free-slip surface, and pipe…Ben-Rui Xu, Ao Xu·Apr 10, 2026SaveLearn
Physics-guided surrogate learning enables zero-shot control of turbulent wingsTurbulent boundary layers over aerodynamic surfaces are a major source of aircraft drag, yet their control remains challenging due to multiscale dynamics and spatial variability, particularly under…Yuning Wang, Pol Suarez, Mathis Bode et al.·Apr 10, 2026SaveLearn
HOC simulations of miscible viscous fingering of a finite slice: A new insightWe investigate the dynamics of viscous fingering (VF) in miscible slices in homogeneous, isotropic porous media. The fluid flow is governed by incompressible Darcy's law, whereas the solute transport…Mijanur Rahaman, Jiten C. Kalita, Satyajit Pramanik·Apr 10, 2026SaveLearn
A time-domain approach for motion-explicit evaluation of loads on floating structures in fully nonlinear wavesThis paper presents a novel method for evaluating second-order consistent hydrodynamic loads, which employs nonlinear wave and body kinematics. The pseudo-spectral formulation of nonlinear potential…Athanasios Dermatis, Henrik Bredmose, Harry B. Bingham et al.·Apr 10, 2026SaveLearn
Role of particle volume fraction on particulate suspension droplet evolution, transition and HysteresisWe study the transitional dynamics of the non-Brownian particulate Newtonian liquid jet for different particle volume fractions (φ). We focus on the influence of particle volume fraction on the…Kishorkumar Sarva·Apr 10, 2026SaveLearn
Universal Relation between Nusselt Number and Bejan Number in Natural ConvectionWe propose a universal scaling law linking the Nusselt number (Nu) and the Bejan number (Be) in natural convection. Using entropy generation analysis and boundary-layer scaling, we demonstrate that…Takuya Masuda, Toshio Tagawa·Apr 10, 2026SaveLearn
Effects of Nozzle Roughness on the Streamwise Streaks in Underexpanded Jets -- An Experimental StudyThe present study investigated the formation of streamwise streaks in underexpanded jets from round sonic nozzles, based on direct experimental observation using high-speed schlieren imaging and PLIF…Haohan Gong, Shengkai Wang·Apr 10, 2026SaveLearn
A multiple-scales framework for branched channel filtersFibres shed from our clothes during a washing machine cycle constitute around 35% of the primary microplastics in our oceans. Current conventional dead-end washing machine filters clog relatively…T. Fastnedge, C. J. W. Breward, I. M. Griffiths·Apr 10, 2026SaveLearn
Elastic and Viscous Effects in Viscoelastic Flows: Elucidating the Distinct Roles of the Deborah and Weissenberg NumbersThe interpretation of the parameters appearing in constitutive models for viscoelastic fluids is essential for analyzing theoretical predictions and understanding the origin of phenomena observed in…Luis G. Sarasúa, Daniel Freire Caporale, Arturo C. Marti·Apr 9, 2026SaveLearn
Spatiotemporally Resolved Multi-Scalar Measurements of Methane Tulip Flames in a Square ChannelUnderstanding the propagation dynamics of premixed flames in confined spaces is important for fire safety in gas pipelines and for optimizing modern internal combustion engines. In sufficiently long…Zeyu Yan, Shengkai Wang·Apr 9, 2026SaveLearn
Porosity and Material Disorder Drive Distinct Channelization TransitionFlow through porous media can reshape the medium through erosion and deposition, producing preferential flow channels across a wide range of natural and industrial systems. Yet the mechanisms by…André F. V. Matias, Rodrigo C. V. Coelho, Humberto A. Carmona et al.·Apr 9, 2026SaveLearn
Viscoelastic Droplet Impact on Surfaces with Sharp Wettability Contrast: Coupled Influence of Relaxation Time and Surface TensionThe impact dynamics of viscoelastic droplets on solid surfaces play a critical role in numerous applications, including inkjet printing, spray coating, and microfluidics, where precise control of…Mahmood Mousavi, Parisa Tayerani, Sebastian Stephens et al.·Apr 9, 2026SaveLearn
Evidence of an inertialess Kapitza instability due to viscosity stratificationThe classical Kapitza instability of a gravity-driven falling film requires finite inertia to operate. We show that a surface-mode instability can arise in the complete absence of inertia when the…Shravya Gundavarapu, Darish Jeswin Dhas, Anubhab Roy·Apr 9, 2026SaveLearn
Inverse Energy Cascade in Turbulent Taylor-Couette FlowsThe inverse energy cascade in turbulent Taylor-Couette flow is studied in line with the results of the large eddy simulation. The simulation results show that the inverse energy cascade first occurs…Changquan Zhou, Hua-Shu Dou, Lin Niu et al.·Apr 9, 2026SaveLearn
Ultimate regimes in horizontal and internally heated convectionWe derive asymptotic models for the ultimate regimes in horizontal convection (HC) and pure internally heated convection (IHC), in analogy with our recent (2024) extension of the ultimate-regime…Olga Shishkina, Detlef Lohse·Apr 9, 2026SaveLearn