Results 11 to 20 of about 43,408 (125)

Thermodynamic Phase Diagram and Phonon stability, Electronic and Optical Properties of FeVSb: A DFT study [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
Mechanical, electronic, thermodynamic phase diagram and optical properties of the FeVSb half-Heusler have been studied based on the density functional theory (DFT) framework.
A. Bagheri   +3 more
doaj   +1 more source

Hygroscopic Mechanism of Blueberry Powder Based on Glass Transition Theory [PDF]

open access: yesShipin Kexue, 2023
Blueberry powder was made from two varieties of blueberries, ‘Jewelry’ and ‘Coast’, and the quality changes of blueberry powder before and after moisture sorption were studied.
CHU Wenjing, Sun yue, xiao liuliu, CHEN Andi, TAO Yani
doaj   +1 more source

Preliminary optimization technique in the design of steel girders according to Eurocode 3 [PDF]

open access: yesArchives of Civil Engineering, 2023
The problem of optimal design of a steel plated girder according to the Eurocode 3 is considered. Code regulations admit the Finite Element Analysis (FEA) in designing plated structures with variable cross-sections.
Paweł Szeptyński, Leszek Mikulski
doaj   +1 more source

Comparative Study of the Transmission Capacity of Grid-Forming Converters and Grid-Following Converters

open access: yesEnergies, 2023
The development trend of high shares of renewables and power electronics has increased the demand for new energy converters in the power system, but there is a lack of systematic research on the stability of different types of converters when ...
Bojun Kong   +6 more
doaj   +1 more source

Analysis and Control of Chaos in Nonlinear Gear System using Predictive Sliding Mode Control [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2022
This paper presents a control system for elimination of chaotic behaviors in spur gear system. To this end, at first different aspects of chaos are investigated by means of numerical tools including time series response, phase plane trajectories ...
Nima Valadbeigi, Seyed Mahdi Abtahi
doaj   +1 more source

Instabilities of interacting matter waves in optical lattices with Floquet driving

open access: yesPhysical Review Research, 2023
We experimentally investigate the stability of a quantum gas with repulsive interactions in an optical one-dimensional lattice subjected to periodic driving.
Andrea Di Carli   +6 more
doaj   +1 more source

Comparison of methods for analysis of structural systems under sudden removal of a member

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2022
The paper provides the conclusions of a comparative analysis of various approaches, design models, methods for analysis of a loaded structural system and the results of such analysis for a sudden failure of a structural member. It shows that the analysis
Sergey Yu. Savin, Natalia V. Fedorova
doaj   +1 more source

Stope structure evaluation based on the damage model driven by microseismic data and Mathews stability diagram method in Xiadian Gold Mine

open access: yesGeomatics, Natural Hazards & Risk, 2021
To obtain a better economic benefit, Xiadian Gold Mine intended to increase the stope structure parameter from 2.5 m (height) to 8 m. A test stope using the new structure parameter was mined to verify the surrounding rock’s stability.
Honglei Liu   +4 more
doaj   +1 more source

Diagrams of static stability of a ship in rough conditions

open access: yesRussian Journal of Water Transport, 2021
Static stability diagram, solid-state model of a ship when constructing a static diagram of a ship in accordance with the requirements Of the rules of classification societies, it is necessary to take into account special navigation conditions: icing, the presence of liquid cargo in tanks, etc.
openaire   +2 more sources

Control Strategy Research of D-STATCOM Using Active Disturbance Rejection Control Based on Total Disturbance Error Compensation

open access: yesIEEE Access, 2021
The distribution static synchronous compensator (D-STATCOM) has the characteristics of non-linearity, multivariable and strong coupling. Based on the analysis of the D-STATCOM mathematical model, in order to improve the performance of the linear active ...
Xuesong Zhou   +5 more
doaj   +1 more source

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