Results 51 to 60 of about 320 (176)

A Numerical Analysis of Ground Vibration Induced by Typical Rail Corrugation of Underground Subway

open access: yesShock and Vibration, 2019
A two-step approach is used to establish a numerical prediction model to study the impact of typical rail corrugation on ground vibration from an underground subway.
Mengting Xing   +4 more
doaj   +1 more source

Parallel computing aided analyses of dynamic buckling for railway track infrastructure

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 19, Page 2943-2968, 5 August 2025.
Abstract This paper presents a scalable parallel computing framework for simulating track buckling under dynamic train loads, enabling large‐scale railway track stability analysis. A three‐dimensional (3D) track model is developed using finite element‐based Euler–Bernoulli beam formulations for rails, dynamic force inputs, and nonlinear interactions at
Dan Agustin   +4 more
wiley   +1 more source

High‐Entropy Energy for Self‐Powered Systems

open access: yesSmartSys, Volume 1, Issue 2, June 2025.
ABSTRACT In energy constrained application scenarios, self‐powered systems (SPSs) are gradually emerging as a core technological pathway for enabling distributed intelligent sensing. High‐entropy energy, such as micro‐wind, vibrations, water motion, and human activity, is widely available but difficult to harness due to its low density, randomness, and
Fangjing Xing   +6 more
wiley   +1 more source

They put me on a train: Assimilation and the Australian railways

open access: yesGeographical Research, Volume 63, Issue 2, Page 249-259, May 2025.
This article explores the South Australian railways’ involvement in the forcible removal of Aboriginal children from their families and homes. It gives close attention to the artwork and words of First Nations peoples who were taken away from their families by train under the Australian government policy of Assimilation. A key finding is that while the
Katie Maher
wiley   +1 more source

A multilevel track defects assessment framework based on vehicle body vibration

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 12, Page 1688-1720, 9 May 2025.
Abstract High‐frequency detection of track defects is crucial for accurate track condition assessment and system safety. Onboard vibration data collection devices can significantly increase detection density without additional costs. However, defect assessment based on this is significantly challenging, including the spatial heterogeneity of track ...
Xingqingrong Chen   +2 more
wiley   +1 more source

Development of rail surface roughness continuous measurement trolley using asymmetrical chord method and application for rail corrugation measurement

open access: yesNihon Kikai Gakkai ronbunshu, 2019
Rail corrugation is a periodic rail surface roughness that is formed as the rolling stock runs repeatedly on the rail. The rail corrugation occurs in various track alignment and track structures, but the generation mechanism and wavelength determination ...
Hirofumi TANAKA   +3 more
doaj   +1 more source

Design and Development of a Wayside AI‐Assisted Vision System for Online Train Wheel Inspection

open access: yesEngineering Reports, Volume 7, Issue 1, January 2025.
A vision inspection system for automated train wheel inspection was developed and tested. Our YOLOv9 model achieved a mAP50 of 0.94 and a recall of 0.91 for wheel segmentation, demonstrating high efficacy in capturing and analyzing wheel tread images for fault diagnosis.
Muhammad Zakir Shaikh   +6 more
wiley   +1 more source

Analysis of corrugation evolution characteristics based on scale-down tests – contact stick-slip perspective [PDF]

open access: yesRailway Sciences
Purpose – Rail corrugation is still one of the unsolved challenges in the railway industry, and the abnormal vibration and high-frequency noise caused by it constitute serious adverse effects on the operating environment.
Zhiqiang Wang, Pengfei Liu
doaj   +1 more source

Dis/incremental Dwelling and the Right to the Beach in Jamestown, Accra, Ghana

open access: yesAntipode, Volume 57, Issue 1, Page 301-323, January 2025.
Abstract In mid‐2020, the municipal authority of Accra, Ghana levelled the dwellings of approximately 450 residents remaining in an informal beach settlement in Jamestown, long the centre of an artisanal fishing economy. The destruction marked the culmination of at least four demolition cycles to clear ground for a Chinese‐financed commercial harbour ...
Bianca Malkoc, Leigh Johnson
wiley   +1 more source

The formation, development and classification of rail corrugation: a survey on Chinese metro

open access: yesRailway Engineering Science
Investigations into rail corrugation within metro systems have traditionally focused on specific mechanisms, thereby limiting the generalizability of proposed theories.
Yang Wang   +5 more
doaj   +1 more source

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