Results 31 to 40 of about 1,959,097 (341)

Evaluation of coupled finite element/meshfree method for a robust full-scale crashworthiness simulation of railway vehicles [PDF]

open access: yes, 2016
The crashworthiness of a railway vehicle relates to its passive safety performance. Due to mesh distortion and difficulty in controlling the hourglass energy, conventional finite element methods face great challenges in crashworthiness simulation of ...
Feng Jia Liu   +11 more
core   +2 more sources

The method of intelligent wireless sensor to improve the water permeability of permeable asphalt concrete pavement

open access: yesIET Networks, EarlyView., 2022
Abstract This research aims to study the intelligent wireless sensor to improve the water permeability of permeable asphalt concrete pavement. The water permeability of pavement is extremely important for the traffic environment. This study first briefly introduces the background and significance analysis, and then exemplifies the deployment algorithm ...
Xingmei Zhang, Cong Xu, Qi Lei
wiley   +1 more source

Vibration Suppression of Railway Vehicle Carbody with Piezoelectric Elements

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
Piezoelectric elements, which are electrically connected to external shunt circuits, are introduced to suppress bending vibration of a scale model of a railway vehicle. The authors proposed two types of shunt circuits aiming at practical use. One circuit
Tadao TAKIGAMI   +2 more
doaj   +1 more source

Optimizing fused filament fabrication process parameters for quality enhancement of PA12 parts using numerical modeling and taguchi method

open access: yesHeliyon, 2023
Fused Filament Fabrication (FFF) is an Additive Manufacturing (AM) technique implemented in widespread applications and several components. Despite its benefits, the physics behind the FFF process is quite complicated and requires fast heating and ...
Hussein Alzyod, Peter Ficzere
doaj   +1 more source

Design and implementation of geographic information system with mobile terminal and 5G network

open access: yesIET Networks, EarlyView., 2022
Abstract Remote insurance mainly completes quotation, insurance application and payment through the PC terminal and mobile terminal, and the premium directly enters the insurance account. This article takes remote insurance as an example. First, it analyses the requirements of the remote insurance and insurance system, and then collects data from the ...
Huijun Xiao, Tangsen Huang, Ensong Jiang
wiley   +1 more source

Assessing the Role of Longitudinal Variability of Vertical Track Stiffness in the Long-Term Deterioration [PDF]

open access: yes, 2016
The performance of the railway system in terms of dynamic loading is depending mainly on the track support conditions. Usually, the track stiffness is used as the main parameter to describe the support conditions and is defined as the ratio of the load ...
Bezin, Yann   +2 more
core   +1 more source

Robust control for independently rotating wheelsets on a railway vehicle using practical sensors [PDF]

open access: yes, 2001
This paper presents the development of H-infinity control strategy for the active steering of railway vehicles with independently rotating wheelsets.
Goodall, R.M., Mei, T.X.
core   +1 more source

Dynamical Effect Investigations of Component’s Internal Interface by Using Techniques of Rigid-Flex Coupling Simulation

open access: yesShock and Vibration, 2021
As a component of servicing car body, the internal interfaces of aluminum alloy carbody include all connections of equipments hanged under floor and mounted on roof, which are expected to form the weak coupling relationship.
Te-te Li   +8 more
doaj   +1 more source

Correlation Between Printing Parameters and Residual Stress in Additive Manufacturing: A Numerical Simulation Approach

open access: yesProduction Engineering Archives, 2023
Fused Deposition Modeling (FDM) is a widely used 3D printing technology that can create a diverse range of objects. However, achieving the desired mechanical properties of printed parts can be challenging due to various printing parameters.
Alzyod Hussein, Ficzere Peter
doaj   +1 more source

Thermal hydraulic performance augmentation by petal-shaped ribs in a two-pass cooling channel

open access: yesCase Studies in Thermal Engineering, 2022
The increase of inlet gas temperature will lead to security problem of turbine blades. Internal cooling channels are usually used to ensure the safe operation temperature of the turbine blades.
Qiang Zhang   +5 more
doaj   +1 more source

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