Measuring Basal Force Fluctuations of Debris Flows Using Seismic Recordings and Empirical Green's Functions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Geophysical Research"
DOI: 10.1029/2020jf005590
Abstract: We present a novel method for measuring the fluctuating basal normal and shear stresses of debris flows by using along‐channel seismic recordings. Our method couples a simple parameterization of a debris flow as a seismic… read more here.
Keywords: flows using; seismic recordings; debris flows; force ... See more keywords
Turbulent drag reduction in compressible flows using streamwise traveling waves
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0193286
Abstract: Skin-friction drag reduction (DR) in supersonic turbulent channel flows using streamwise traveling waves of spanwise velocity (STWSV) has been studied using direct numerical simulations. In the present study, simulations are carried out for different phase… read more here.
Keywords: drag reduction; traveling waves; skin friction; control ... See more keywords
Measuring global migration flows using online data
Sign Up to like & getrecommendations! Published in 2025 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2409418122
Abstract: Significance This paper introduces an approach to measuring international migration, improving on existing efforts in both breadth and resolution. Despite the importance of these figures to researchers, policymakers, and the public, most countries do not… read more here.
Keywords: migration flows; migration; measuring global; flows using ... See more keywords
Forecasting Fluid Flows Using the Geometry of Turbulence.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.118.114501
Abstract: The existence and dynamical role of particular unstable solutions (exact coherent structures) of the Navier-Stokes equation is revealed in laboratory studies of weak turbulence in a thin, electromagnetically driven fluid layer. We find that the… read more here.
Keywords: flows using; forecasting fluid; using geometry; turbulence ... See more keywords
Dissipation of Stop-and-Go Waves in Traffic Flows Using Controlled Vehicles: A Macroscopic Approach
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Control Systems Letters"
DOI: 10.1109/lcsys.2024.3401092
Abstract: We study the boundary stabilization of Generic Second Order Macroscopic traffic models in Lagrangian coordinates. These consist in $2\times 2$ nonlinear hyperbolic systems of balance equations with a relaxation-type source term. We provide the existence… read more here.
Keywords: stop waves; flows using; dissipation stop; waves traffic ... See more keywords
Control and Optimization of Interfacial Flows Using Adjoint-Based Techniques
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DOI: 10.3390/fluids5030156
Abstract: The applicability of adjoint-based gradient computation is investigated in the context of interfacial flows. Emphasis is set on the approximation of the transport of a characteristic function in a potential flow by means of an… read more here.
Keywords: adjoint; flows using; adjoint based; control optimization ... See more keywords