Results 51 to 60 of about 706,134 (292)

Numerical Investigation of an Unsteady Blade Surface Blowing Method to Reduce Rotor Blade-Vortex Interaction Noise

open access: yesInternational Journal of Aerospace Engineering, 2022
This paper presents a numerical investigation of unsteady surface blowing using periodic variations of jet velocity with azimuthal angle to reduce helicopter rotor blade-vortex interaction (BVI) noise.
Yan Sun, Guohua Xu, Yongjie Shi
doaj   +1 more source

Research on Aerodynamic Characteristics of Trans-Media Vehicles Entering and Exiting the Water in Still Water and Wave Environments

open access: yesDrones, 2023
The problem of aircraft entering and exiting water is a complex, nonlinear, strongly disturbed, and multi-coupled multiphase flow problem, which involves the precise capture of the air/water interface and the multi-coupling interaction between aircraft ...
Jun Wei   +6 more
doaj   +1 more source

AS‐pHopt: An Optimal pH Prediction Model Enhanced by Active Site of Enzymes

open access: yesAdvanced Intelligent Discovery, EarlyView.
To address the low accuracy of enzyme optimal pH (pHopt) prediction, this study develops active site‐based pHopt (AS‐pHopt), a prediction model enhanced by active site information and pseudo‐label prediction. Integrating key structural and physicochemical features affecting enzyme pHopt, AS‐pHopt uses Evolutionary Scale Modeling (ESM)‐2 with active ...
Wenxiang Song   +6 more
wiley   +1 more source

Large‐Scale Machine Learning to Screen for Small‐Molecule Senolytics

open access: yesAdvanced Intelligent Discovery, EarlyView.
A consistent workflow underpins all experiments in this study. A dedicated model‐selection dataset first identifies optimal hyperparameters for each algorithm. Models are then trained and rigorously evaluated on independent sets of molecules using the senolytic ratio SR. Comprehensive hyperparameter exploration across SMILES representations, task types,
Alexis Dougha   +2 more
wiley   +1 more source

Numerical simulation of scour infilling in overset grid [PDF]

open access: yesScour and Erosion, 2016
In the present study, sediment transport models have been implemented in the CFD solver FANS3D to simulate scour infilling process around a circular pier. FANS3D uses the finite-analytic method, which incorporates the analytic solution of the differential equation in its linearized form in the respective small subdomain.
H Kim, H Chen, J Briaud
openaire   +1 more source

Generative and Experimental Validation of High Refractive Index Polymers via Domain Knowledge Approach with Small Data

open access: yesAdvanced Intelligent Discovery, EarlyView.
This research demonstrates that the combination of domain knowledge–based multiple regression, multi‐objective Bayesian optimization, and generative models is a suitable prediction tool for candidates of high refractive index polymers, even with the constraints in the model trained on limited data. The experimental validation can reproduce the proposed
Takuya Yokoo   +3 more
wiley   +1 more source

Numerical Simulation of Ship Oil Spill in Arctic Icy Waters

open access: yesApplied Sciences, 2020
This paper presents a three-dimensional numerical simulation model of an oil spill for application in emergency treatment methods under icy water conditions.
Wei Li   +8 more
doaj   +1 more source

Progress Toward Overset-Grid Moving Body Capability for USM3D Unstructured Flow Solver [PDF]

open access: yes, 2005
A static and dynamic Chimera overset-grid capability is added to an established NASA tetrahedral unstructured parallel Navier-Stokes flow solver, USM3D.
Pandyna, Mohagna J.   +2 more
core  

Predicting Performance of Hall Effect Ion Source Using Machine Learning

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This study introduces HallNN, a machine learning tool for predicting Hall effect ion source performance using a neural network ensemble trained on data generated from numerical simulations. HallNN provides faster and more accurate predictions than numerical methods and traditional scaling laws, making it valuable for designing and optimizing Hall ...
Jaehong Park   +8 more
wiley   +1 more source

CFD numerical simulations of stopping maneuver of ship model using overset grid technology

open access: yesZhongguo Jianchuan Yanjiu
[Objectives] With the development of international shipping, ports and waterways are becoming increasingly crowded. Study on stopping ability of large ships is crucial to their voyage safety.[Methods] The naoe-FOAM-SJTU solver based on the CFD platform ...
Sun Chenguang, Wang Jianhua, Wan Decheng
doaj   +1 more source

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