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Machine learning–accelerated computational fluid dynamics [PDF]

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2021
Significance Accurate simulation of fluids is important for many science and engineering problems but is very computationally demanding. In contrast, machine-learning models can approximate physics very quickly but at the cost of accuracy.
Dmitrii Kochkov   +5 more
semanticscholar   +1 more source

Potential quantum advantage for simulation of fluid dynamics [PDF]

open access: yesPhysical Review Research, 2023
Numerical simulation of turbulent fluid dynamics needs to either parametrize turbulence—which introduces large uncertainties—or explicitly resolve the smallest scales—which is prohibitively expensive. Here, we provide evidence through analytic bounds and
Xiangyu Li   +6 more
semanticscholar   +1 more source

Theories of Relativistic Dissipative Fluid Dynamics [PDF]

open access: yesEntropy, 2023
Relativistic dissipative fluid dynamics finds widespread applications in high-energy nuclear physics and astrophysics. However, formulating a causal and stable theory of relativistic dissipative fluid dynamics is far from trivial; efforts to accomplish ...
G. Rocha   +4 more
semanticscholar   +1 more source

Computational Fluid Dynamics

open access: yesRadial Flow Turbocompressors, 2021
Contents: Finite-Element method and aspects for computer implementation, computa-tion of mechanical problems, coupled field problems (magnetic, mechanical and acoustic), optimization of modern mechatronic systems.
Prof. Manoj Kumar   +5 more
semanticscholar   +1 more source

Introduction to Computational Fluid Dynamics

open access: yesessentials, 2023
A projected frontal area or planform area of an object b span or depth of a flat plate (into the page when viewed from the edge) CD drag coefficient: CD = 2FD /VA D height (2-dimensional) or diameter (axisymmetric) of a block or other object in the flow
Karim Ghaib
semanticscholar   +1 more source

DualSPHysics: from fluid dynamics to multiphysics problems [PDF]

open access: yesComputational Particle Mechanics, 2021
DualSPHysics is a weakly compressible smoothed particle hydrodynamics (SPH) Navier–Stokes solver initially conceived to deal with coastal engineering problems, especially those related to wave impact with coastal structures.
J. Dominguez   +12 more
semanticscholar   +1 more source

The relative role of the subsurface Southern Ocean in driving negative Antarctic Sea ice extent anomalies in 2016–2021

open access: yesCommunications Earth & Environment, 2022
Warming of the subsurface Southern Ocean played only a minor role in shrinking Antarctic Sea ice extent in 2016, but was critical for the persistence of negative anomalies between 2016 and 2021, according to coupled climate model simulations partially ...
Liping Zhang   +6 more
doaj   +1 more source

The role of upper-ocean variations of the Kuroshio-Oyashio Extension in seasonal-to-decadal air-sea heat flux variability

open access: yesnpj Climate and Atmospheric Science, 2023
The Kuroshio-Oyashio Extension (KOE) is the North Pacific oceanic frontal zone where air-sea heat and moisture exchanges allow strong communication between the ocean and atmosphere.
Youngji Joh   +6 more
doaj   +1 more source

Experimental assessment of a blended fatigue‐extreme controller employing trailing edge flaps

open access: yesWind Energy, 2023
This paper presents an experimental assessment of a blended fatigue‐extreme controller for load control employing trailing edge flaps on a lab‐scale wind turbine. The controller blends between a repetitive model predictive controller that targets fatigue
Sirko Bartholomay   +6 more
doaj   +1 more source

Repetitive model predictive control for load alleviation on a research wind turbine using trailing edge flaps

open access: yesWind Energy, 2022
Summary This paper presents the results of an advanced control strategy that employs active trailing edge flaps to reduce the fatigue loads of an experimental wind turbine.
Sirko Bartholomay   +9 more
doaj   +1 more source

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