Results 31 to 40 of about 2,142 (118)

Numerical Study on Static Airtightness of Subway Vehicles with Multiple Leak Holes [PDF]

open access: yesJournal of Applied Fluid Mechanics
In this study, a numerical simulation of the static leakage of a subway vehicle was conducted, based on the turbulence model of k-ω Shear Stress Transport (SST).
N. Li, H. Meng, T. Li, J. Zhang
doaj   +1 more source

Analysis of the backward bending modes in damped rotating beams

open access: yesAdvances in Mechanical Engineering, 2019
This article presents a study of the backward bending mode of a simply supported rotating Rayleigh beam with internal damping. The study analyses the natural frequency behaviour of the backward mode according to the internal viscous damping ratio, the ...
Jose Martínez-Casas   +4 more
doaj   +1 more source

Instability analysis of a filament-wound composite tube subjected to compression/bending

open access: yesAdvanced Composites Letters, 2019
The aim of this study is to investigate the global buckling of a relatively long composite cord–rubber tube subjected to axial compression and its cross-sectional instability due to bending by a macromechanical nonlinear finite element (FE) model ...
Gyula Szabó, Károly Váradi
doaj   +1 more source

Ultimate strength of simply supported plate with opening under uniaxial compression

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2012
Unstiffened plates are integral part of all kinds of structures such as ship and offshore oil platforms. Openings are unavoidable and absolutely reduce the ultimate strength of structures.
Chang-Li Yu, Joo-Sung Lee
doaj   +1 more source

The slenderness ratio effect on the response of closed-end pipe piles in liquefied and non-liquefied soil layers under coupled static-seismic loading

open access: yesJournal of the Mechanical Behavior of Materials, 2022
This study presents the findings of a 3D finite element modeling on the performance of a single pile under various slenderness ratios (25, 50, 75, 100).
Al-Jeznawi Duaa   +3 more
doaj   +1 more source

Experimental and numerical investigation on the axial compressive behavior of UPVC square tubes

open access: yesResults in Engineering
UPVC (Unplasticized Polyvinyl Chloride) is a novel construction material. Currently, there is a lack of comprehensive research on the fundamental mechanical properties of this material, particularly regarding UPVC square tubes, for which studies are ...
Shuquan Xu   +4 more
doaj   +1 more source

Numerical Investigation on the Influence of In-Plane Damage on the Out-of-Plane Behavior of Masonry Infill Walls

open access: yesAdvances in Civil Engineering, 2020
This study presents a finite element model to investigate the bidirectional seismic behavior of masonry infill walls. The test data are utilized to verify the numerical model.
Xiaomin Wang   +3 more
doaj   +1 more source

Experimental Investigation on Flexural Behavior of Reinforced Ultra High Performance Concrete Low-Profile T-Beams

open access: yesInternational Journal of Concrete Structures and Materials, 2020
The flexural behavioral properties of ultra high performance concrete (UHPC) low-profile T-beams reinforced with a combination of steel fibers and steel reinforcing bars were investigated in this paper.
Minghong Qiu   +4 more
doaj   +1 more source

Considerations Concerning the Impact of the Management on Pine Trees Drying Phenomenon

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Agriculture, 2016
The pine trees may support the consequences of the action of a series of various natural harmful factors, as break downs determined by strong winds, storms, or large amounts of snow, pathogens and mites’ attacks, and also anthropogenic harmful factors ...
Ilie Covrig   +3 more
doaj   +1 more source

Correction of water-penetrating velocity attenuation formula for “Pie” fragment

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives]Fragment is the key object of vessel liquid tank protection, and the study on the water-penetrating velocity attenuation characteristic of the high-speed "pie" fragment can provide theoretical reference for the protection analysis and ...
Zhang Lei   +4 more
doaj   +1 more source

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