Results 11 to 20 of about 543,049 (269)

A Novel Transversal-Feed Electron Cyclotron Resonance Plasma Thruster: Design and Plasma Characteristics Analysis

open access: yesAerospace, 2023
This paper presents the development, analysis, and performance evaluation of a novel transversal-feed Electron Cyclotron Resonance Plasma Thruster (ECRPT).
Yajie Han   +5 more
doaj   +1 more source

Dynamic Characteristics of an Underwater Ventilated Vehicle Exiting Water in an Environment with Scattered Ice Floes

open access: yesJournal of Marine Science and Engineering, 2023
The presence of ice floes on the water surface has a significant impact on the complex hydrodynamic process of submersible ventilated vehicles exiting the water.
Song Zhang, Wei Lin, Hao Xu, Tiezhi Sun
doaj   +1 more source

Design of dual-material lattice structures with compression-torsion bistability

open access: yesMaterials & Design, 2023
Lattice structures with bistability can maintain additional equilibrium states after external loads are removed. While conventional bistable structures typically realize compression and torsional bistabilities under compression and twisting loads, this ...
Wenjun Wu   +3 more
doaj   +1 more source

High Mechanical Energy Storage Capacity of Ultranarrow Carbon Nanowires Bundles by Machine Learning Driving Predictions

open access: yesAdvanced Energy & Sustainability Research, 2023
Energy storage and renewable energy sources are critical for addressing the growing global energy demand and reducing the negative environmental impacts of fossil fuels.
Luneng Zhao   +5 more
doaj   +1 more source

Numerical Prediction of Ship Resistance Based on Volume of Fluid Implicit Multi-Step Method

open access: yesJournal of Marine Science and Engineering, 2023
The Volume of Fluid (VOF) method is used in two-phase fluid flow problems of ship hydrodynamic calculations, to capture the motion and distribution of the gas–liquid free surface. To ensure solution stability and accuracy, numerical simulations typically
Yu Wang   +5 more
doaj   +1 more source

Recent advances of PVA-based hydrogels in cartilage repair application

open access: yesJournal of Materials Research and Technology, 2023
Articular cartilage is critical for knee joint motion as a connective tissue to disperse loads and resist high-stress loadings. However, due to the lack of vascular, neural, and lymphatic tissues, the self-repair capacity of cartilage is fairly poor ...
Heng Li   +3 more
doaj   +1 more source

Coexistence of Ferroelectricity and Ferromagnetism in Fullerene‐Based One‐Dimensional Chains

open access: yesAdvanced Science, 2023
One‐dimensional (1D) magnetoelectric multiferroics are promising multifunctional materials for miniaturized sensors, actuators, and memories. However, 1D materials with both ferroelectricity and ferromagnetism are quite rare.
Yang Zhao   +5 more
doaj   +1 more source

Development of a Numerical Ice Tank Based on DEM and Physical Model Testing: Methods, Validations and Applications

open access: yesJournal of Marine Science and Engineering, 2023
The determination of ice loads on polar vessels and offshore structures is important for ice-resistant design, safe operation, and management of structural integrity in ice-infested waters.
Yukui Tian   +5 more
doaj   +1 more source

Chronic Wasting Disease Surveillance Optimization Software

open access: yes, 2022
This software is being shared under a MIT license. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including ...
Them, Cara   +13 more
core   +1 more source

Search based software engineering: Trends, techniques and applications [PDF]

open access: yes, 2012
© ACM, 2012. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version is available from the link below.In the past five years there has been a dramatic increase
Harman, M, Mansouri, SA, Zhang, Y
core   +1 more source

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