Results 21 to 30 of about 373,182 (301)

Constrained optimization of the brushless DC motor using the salp swarm algorithm [PDF]

open access: yesArchives of Electrical Engineering, 2022
This paper presents an algorithm and optimization procedure for the optimization of the outer rotor structure of the brushless DC (BLDC) motor. The optimization software was developed in the Delphi Tiburón development environment.
Łukasz Knypiński   +2 more
doaj   +1 more source

Widely tunable, non-degenerate three-wave mixing microwave device operating near the quantum limit [PDF]

open access: yes, 2012
We present the first experimental realization of a widely frequency tunable, non-degenerate three-wave mixing device for quantum signals at GHz frequency.
B. Huard   +9 more
core   +5 more sources

Analysis of Delamination in Two-Dimensional Functionally Graded Multilayered Beam with Non-Linear Behaviour of Material

open access: yesEngineering Transactions, 2018
An analytical study of delamination fracture in a two-dimensional functionally graded multilayered beam exhibiting material non-linearity is carried-out. The beam is made of adhesively bonded horizontal layers.
Victor Iliev RIZOV
doaj   +1 more source

Measurement of the Acoustic Non-Linearity Parameter of Materials by Exciting Reversed-Phase Rayleigh Waves in Opposite Directions

open access: yesSensors, 2020
The acoustic non-linearity parameter of Rayleigh waves can be used to detect various defects (such as dislocation and micro-cracks) on material surfaces of thick-plate structures; however, it is generally low and likely to be masked by noise.
Bingsheng Yan   +4 more
doaj   +1 more source

Selected Aspects Of Modelling Of Non-Linear Behaviour Of Concrete During Tensile Test Using Multiplas Library

open access: yesTransactions of the VŠB: Technical University of Ostrava, Civil Engineering Series, 2015
The subject of this paper is to describe some of the aspects manifesting in the use of the elastoplastic material model library multiPlas, which was developed to support non-linear computations in the ANSYS system.
Hokeš Filip
doaj   +1 more source

Contribution to the damage modelling of reinforced concrete structures

open access: yesMATEC Web of Conferences, 2018
A two-dimensional multi-layered finite elements modeling of reinforced concrete structures at nonlinear behaviour under monotonic and cyclical loading is presented.
KHEBIZI Mourad   +2 more
doaj   +2 more sources

Mechanical Model of a Hybrid Non-linear Viscoelastic Material Damping Device With Its Verifications

open access: yesFrontiers in Materials, 2019
This paper proposes a new viscoelastic (VE) material damping device with hybrid non-linear properties. Compared with traditional linear material dampers, the new non-linear VE material damping device is characterized by its better energy dissipation and ...
Ying Zhou, Peng Chen, Shunming Gong
doaj   +1 more source

Learned multi-stability in mechanical networks

open access: yes, 2019
We contrast the distinct frameworks of materials design and physical learning in creating elastic networks with desired stable states. In design, the desired states are specified in advance and material parameters can be optimized on a computer with this
Murugan, Arvind   +2 more
core   +1 more source

Linear elastic fracture mechanics predicts the propagation distance of frictional slip [PDF]

open access: yes, 2014
When a frictional interface is subject to a localized shear load, it is often (experimentally) observed that local slip events initiate at the stress concentration and propagate over parts of the interface by arresting naturally before reaching the edge.
Ampuero, Jean-Paul   +3 more
core   +2 more sources

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

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