Acoustic Black Hole Damper for Thermoacoustic Instability Control in a Hydrogen CombustorThermoacoustic instabilities remain a major challenge in the operation and development of modern gas turbine combustors for power generation and propulsion. In laboratory environments, such…Bayu Dharmaputra, Klejsi Curumi, Nicolas Noiray·Mar 30, 2026SaveLearn
Inertial effects on flow dynamics near a moving contact lineThis study investigates the role of inertia in moving contact lines using experiments, theoretical analysis, and numerical simulations. Experiments are conducted using a plate immersion configuration…Charul Gupta, Rishabh Sharma, Tejasvi Hegde et al.·Mar 30, 2026SaveLearn
Eigenvalue-based Linear Stability Analysis of Intrinsic Instabilities in Laminar FlamesIntrinsic instabilities of laminar premixed flames play an important role in the dynamics of hydrogen combustion and in the development of predictive models for reacting flows. However, determining…Thomas Ludwig Kaiser, Peter Munch, Sandra May et al.·Mar 30, 2026SaveLearn
Drag Crisis in Fractal Trees Revealed by Simulation and TheoryTrees are key roughness elements in urban environments, shaping airflow, microclimates, and pollutant dispersion. Yet the aerodynamic drag of complex tree-like structures at high Reynolds numbers…T. Tokiwa, Y. Yin, R. Onishi·Mar 30, 2026SaveLearn
Efficacy of the Weak Formulation of Sparse Nonlinear Identification in Predicting Vortex-Induced VibrationsVortex-induced vibrations (VIV) remain a canonical yet complex manifestation of fluid-structure interactions, where coupled nonlinear dynamics govern the motion of bluff bodies. For several years, we…Haimi Jha, Hibah Saddal, Chandan Bose·Mar 29, 2026SaveLearn
Effects of Plunging Acceleration on the Passive Morphing of Avian-Inspired Flexible FoilsThis study investigates the dynamics of passively morphing foils under accelerated plunging, establishing mechanistic links between transient kinematics, structural compliance, and aerodynamic…Hibah Saddal, Lucky Babu Jayswal, Chandan Bose·Mar 29, 2026SaveLearn
Modeling of Reaction Dynamics in a Turbulent Hydrogen-Air Slot Flame Using Resolvent AnalysisThis work applies Resolvent Analysis (RA) to study the dynamics of a hydrogen-air slot flame with a Reynolds number of 5500, a Karlovitz number of 20, and an equivalence ratio of 0.4. Direct…Anant Talasikar, Marina Matthaiou, Michael Gauding et al.·Mar 29, 2026SaveLearn
Learnable Viscosity Modulation in Physics-Informed Neural Networks for Incompressible Flow ReconstructionAccurately and stably solving the incompressible Navier--Stokes equations with physics-informed neural networks (PINNs) remains challenging, particularly for sparse or noisy observations and for flow…Ke Xu, Ze Tao, Fujun Liu·Mar 29, 2026SaveLearn
Simulating the swimming motion of a flagellated bacterium in a microstructured bio-fluidWe develop a numerical framework to simulate the locomotion of a flagellated bacterium with a spheroidal head (such as Escherichia coli) in biological fluids like mucus, which are entangled polymer…Arjun Sharma, Sabarish V. Narayanan, Sarah Hormozi et al.·Mar 28, 2026SaveLearn
The role of thermal buoyancy in stabilizing the axial dipole field in rotating two-component convective dynamosTwo-component convection driven by both compositional and thermal buoyancy within the fluid core of a rapidly rotating planet produces a predominantly axial dipole field. In a dynamo driven by strong…Debarshi Majumder, Binod Sreenivasan·Mar 28, 2026SaveLearn
Reconfigurable kirigami mesostructure enables modulation of lift and dragFlexible surfaces can modulate fluid forces through deformation, enabling passive adaptation to flow conditions. Here we show that kirigami sheets, planar surfaces patterned with arrays of parallel…Agathe Schmider, Tom Marzin, Sophie Ramananarivo·Mar 28, 2026SaveLearn
Interplay between Temperature Oscillations and Melt Pool Dynamics in 3D Manufacturing TechniquesThe aim of this paper is coupling of temperature oscillations and melt pool dynamics experimentally observed in laser melting. The literature survey has shown that the developed explanations are…Stepan L. Lomaev, Georgii A. Gordeev, Marat A. Timirgazin et al.·Mar 28, 2026SaveLearn
Stability of nonlinear dissipative systems with applications in fluid dynamicsNonlinear partial differential equations are central to physics, engineering, and finance. Except in a limited number of integrable cases, their solution generally requires numerical methods whose…Javier Gonzalez-Conde, Daniel Isla, Sergiy Zhuk et al.·Mar 27, 2026SaveLearn
Scaling Laws for Thermodiffusively Unstable Lean Premixed Turbulent Hydrogen-Air FlamesLean premixed hydrogen-air flames are strongly affected by thermodiffusive (TD) instabilities, which can alter the flame structure and enhance the local reactivity many-fold. Two recent models…M. Gauding T. Lehmann, T. L. Howarth, L. Berger et al.·Mar 27, 2026SaveLearn
Physics-guided laminar flame speed correlation for methane-hydrogen-air mixtures with varying dilutionFuel-flexible, low-carbon combustion systems need to accommodate methane/hydrogen mixtures with air and exhaust-gas dilution. To develop these, we require accurate and efficient correlations for…Raik Hesse, Christian Schwenzer, Roman Glaznev et al.·Mar 27, 2026SaveLearn
Helicity subgrid-scale models and their numerical validationLarge-eddy simulations (LES) with an appropriate subgrid-scale (SGS) model provide a powerful tool for investigating real-world turbulence. The Smagorinsky model, one of the simplest and most used…Nobumitsu Yokoi, Pablo D. Mininni, Annick Pouquet et al.·Mar 27, 2026SaveLearn
Symmetry-Constrained Exact Coherent Structures in Plane Poiseuille FlowTurbulence in wall-bounded shear flows is increasingly understood through exact coherent structures (ECS) -- invariant solutions of the Navier-Stokes equations that act as organising centres in the…Akshit Nanda, Ritabrata Thakur·Mar 27, 2026SaveLearn
Interface-dominated sliding compound dropsWe investigate compound drops composed of two immiscible nonvolatile partially wetting liquids that slide down an inclined homogeneous smooth solid substrate based on a mesoscopic hydrodynamic…Dominik Thy, Jan Diekmann, Uwe Thiele·Mar 27, 2026SaveLearn
Converting vertical heat supply into horizontal motion for microtechnological pumping and autonomous waste heat recoveryThe rapid advancement of high-performance computing infrastructure and its extended application produce an increasing amount of waste heat. This heat constitutes an unsustainable loss of energy as…Jan-Niklas Schäfer, Tillmann Carl, Kristin Kühl et al.·Mar 26, 2026SaveLearn
Sparse M\"untz--Sz\'asz Recovery for Boundary-Anchored Velocity Profiles: A Short-Record Roughness Diagnostic in TurbulenceWe present a sparse convex-relaxation framework for estimating effective local scaling exponents from short boundary-anchored velocity-increment profiles (N≈40). The detector solves an…D Yang Eng·Mar 26, 2026SaveLearn
Universal transport laws in buoyancy-driven porous mixingBuoyancy-driven convection in porous media governs heat and mass transport in a wide range of natural and engineered systems, from groundwater aquifers and geothermal reservoirs to carbon storage in…Marco De Paoli, Xiaojue Zhu·Mar 26, 2026SaveLearn
Real-time control of multiphase processes with learned operatorsMultiphase flows frequently occur naturally and in manufactured devices. Controlling such phenomena is extremely challenging due to the strongly non-linear dynamics, rapid phase transitions, and the…Paolo Guida, Didier Barradas-Bautista·Mar 26, 2026SaveLearn
A High-Order Compact Finite Volume Method for Unstructured Grids: Scheme Space Formulation and One-Dimensional ImplementationsThis paper presents a novel and straightforward compact reconstruction procedure for the high-order finite volume method on unstructured grids. In this procedure, we constructed a linear…Ling Wen, Yan-Tao Yang, Qing-Dong Cai·Mar 26, 2026SaveLearn
Direct numerical simulation of out-scale-actuated spanwise wall oscillation in turbulent boundary layersSpanwise wall oscillation (SWO) of turbulent boundary layers (TBLs) is investigated via direct numerical simulations over an extended actuation region with oscillation periods up to Tsc+=600,…Jizhong Zhang, Fazle Hussain, Jie Yao·Mar 26, 2026SaveLearn
A Reaction-Advection-Diffusion Model to describe Non-Uniformities in Colorimetric Sensing using Thin Porous SubstratesNon-uniform product (color) distribution in colorimetric paper-based sensors affects the accuracy and reliability of measurements. The underlying mechanisms responsible for this are still unclear.…Kulkarni Namratha, S. Pushpavanam·Mar 26, 2026SaveLearn