Results 61 to 70 of about 6,330 (209)

A geometrical non-linear model for cable systems analysis [PDF]

open access: yes, 2005
Cable structures are commonly studied with simplified analytical equations. The evaluation of the accuracy of these equations, in terms of equilibrium geometry configuration and stress distribution was performed for standard cables examples.
Cardoso, R. J. S., Varum, H.
core   +1 more source

Enhanced Rabi Splitting of Exciton‐Polaritons and Plasmon‐Polaritons in Lithium Niobate Metasurface

open access: yesLaser &Photonics Reviews, Volume 20, Issue 1, 8 January 2026.
This study presents an ultrathin lithium niobate metasurface capable of inducing highly sensitive Fano‐shaped resonances, enabling strong coupling with TMDC monolayers and plasmonic metamaterials/metasurfaces. Adjustable Q‐factors lead to controllable coupling strengths, achieving substantial Rabi splitting.
Andergachew Mekonnen Berhe   +4 more
wiley   +1 more source

Integrated Traction and Guidance Control of Independently Rotating Wheelsets in Urban Rail Vehicles Using Flux‐Map‐Based Torque Reference Generation

open access: yesIET Electric Power Applications, Volume 20, Issue 1, January/December 2026.
Independently rotating wheelsets require accurate realization of traction and differential wheel torques under electrical constraints. This paper proposes a hierarchical control framework combining speed PI and LQ‐servo lateral guidance with scaling‐based torque allocation and a flux‐map current reference generator that accounts for DC‐link voltage ...
Hanwoong Ahn   +2 more
wiley   +1 more source

Finite Element Modelling of Catenary Action in a Cross-Laminated Timber Floor System

open access: yes, 2021
Buildings taller than four storeys require the designer to mitigate consequences of unexpected events, e.g. terrorism or accidents, such that a disproportionate collapse can be avoided after initial damage. One approach to halt damage propagation is using structural robustness, i.e. by providing alternative load paths. For platform-type cross-laminated
Huber, Johannes Albert Josef   +3 more
openaire   +2 more sources

Emergency Power Sharing by Using a Self‐Traction System in a Mass Rapid Transit Railway

open access: yesIET Energy Systems Integration, Volume 8, Issue 1, January/December 2026.
ABSTRACT Systemwide traction power outages in mass rapid transit systems (MRTSs) can cause trains to stop between stations, leading to service disruption and urgent passenger evacuation requirements. Onboard emergency self‐traction systems (ESTSs) can mitigate this risk by enabling a stranded train to reach the nearest station at low speed.
Banri Khemkladmuk   +2 more
wiley   +1 more source

Study on the Component-Based Model of an All-Welded Beam-Column Connection for Progressive Collapse Analysis

open access: yesAdvances in Civil Engineering, 2020
The mechanical behavior of all-welded beam-column connections of steel frames during progressive collapse was numerically studied using finite element simulations. The validation of the numerical model was based on a previous test model.
Fuzhe Xie, Wenyuan Liu, Bin Gu, Hai Qian
doaj   +1 more source

Design Aspects of Positional Mooring System Based on LR FOIFL Rules [PDF]

open access: yes, 2012
Floating offshore units, such as FPSOs, are subject to dynamic excitations from the environment and require to be moored to maintain position at the fix location of operation.
Prasetyawan, I. (Ika)   +1 more
core  

The motion of the freely falling chain tip [PDF]

open access: yes, 2005
The dynamics of the tip of the falling chain is analyzed. Results of laboratory experiments are presented and compared with results of numerical simulations. Time dependences of the velocity and the acceleration of the chain tip for a number of different
Goldstein H.   +4 more
core   +5 more sources

Dual‐Frequency Piezoelectric Vibration Energy Harvester for IoT‐Based Real‐Time Freight Train Health Monitoring in Mongolia

open access: yesIET Intelligent Transport Systems, Volume 20, Issue 1, January/December 2026.
This study evaluates the potential of piezoelectric vibration energy harvesting to power IoT nodes for real‐time health monitoring of the Mongolian railway. Triaxial vibration data were collected at 500 Hz over a 400 km freight route under loaded and unloaded conditions using a custom ESP32‐S3 + MPU9250 system, and dominant frequencies were extracted ...
Bumduuren Pumbuurei   +5 more
wiley   +1 more source

Connections of Trapezoidal Sheets under Fire

open access: yesActa Polytechnica, 2009
This paper describes two different experiments on connections of trapezoidal sheets under elevated temperatures. The first experiments were tensile tests carried out on four sets of tests with screwed connections under ambient and elevated temperatures ...
P. Kallerová, F. Wald, Z. Sokol
doaj  

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