Results 221 to 230 of about 98,472 (317)

Calculation and experimental verification of equivalent distributed circuit model based on refined iron core modelling

open access: yesHigh Voltage, EarlyView.
Abstract This research introduces an equivalent circuit model and a computational method to address complex mechanical motion issues through electromechanical analogies. The study initially refines core vibration characteristics using single‐ and multi‐degree‐of‐freedom models, subsequently establishing equivalent circuit models for these various ...
Yunpeng Liu   +6 more
wiley   +1 more source

Analysis of vibration evolution and propagation characteristics due to mechanical degradation in transformer iron cores

open access: yesHigh Voltage, EarlyView.
Abstract This study investigates vibration changes due to transformer core deterioration by monitoring core vibration, compression force and shell wall vibrations simultaneously. The transformer core operates in a compound environment of mechanical vibration and thermal ageing for extended periods, and the correlation mechanism between core structural ...
Yunpeng Liu   +5 more
wiley   +1 more source

Crystallographic, electronic and vibrational properties of 2D silicate monolayers

open access: yesJournal of Applied Crystallography, Volume 58, Issue 2, Page 349-362, April 2025.
The present work reports a density functional theory investigation of the structural, electronic, Raman and infrared properties of the (001) monolayer of phlogopite [K(Mg,Fe)3Si3AlO10(OH)2, with Mg/Fe ratio ≥ 2] and how they change with different Fe2+/Mg2+ substitutions in the octahedral sheet.Phyllosilicates are promising materials for optoelectronic ...
Gianfranco Ulian, Giovanni Valdrè
wiley   +1 more source

SAXS‐A‐FOLD: a website for fast ensemble modeling optimizing the fit of AlphaFold or user‐supplied protein structures with flexible regions to SAXS data

open access: yesJournal of Applied Crystallography, EarlyView.
Predicted protein structures containing flexible regions, or solved structural units linked by disordered segments, will not have a unique conformation in solution. Starting from a single structure, the SAXS‐A‐FOLD webserver can generate thousands of conformations using a Monte Carlo method.
Emre Brookes   +3 more
wiley   +1 more source

Identification of an exosite at the neutrophil elastase/alpha‐1‐antitrypsin interface

open access: yesThe FEBS Journal, Volume 292, Issue 8, Page 1887-1903, April 2025.
Molecular dynamics simulations predicted an exosite in the encounter complex between alpha‐1 antitrypsin (AAT) and neutrophil elastase (NE), comprising a patch of acidic residues which interacts with a basic loop on NE. Recombinant AAT variants with mutations of the three acidic residues show reduced association rate compared to wild‐type and confirm ...
Roberto Gangemi   +8 more
wiley   +1 more source

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