Results 21 to 30 of about 13,811,143 (310)

Coriolis Force Sliding Mode Control Method for the Rotary Motion of the Central Rigid Body-Flexible Cantilever Beam System in TBM

open access: yesAdvances in Civil Engineering, 2021
Beam slab structure is often encountered in a complex tunnel boring machine. Beam slab structure is subject to dynamic load, which is easy to cause fatigue damage and affect its service life.
Chuanlu Zhou   +3 more
doaj   +1 more source

Study on overburden structure and working resistance of supports in deep buried coal seam

open access: yesMeikuang Anquan, 2023
In view of the characteristics of complex overburden structure and strong mining pressure in deep coal seam working face with large mining height, taking Yangchangwan Coal Mine as the engineering background, the mechanical model of overburden rock ...
LIU Hongtao, HAN Zhou, HAN Zijun, YANG Zhihua, HE Weisheng, WANG Sichen, LUO Zilong
doaj   +1 more source

Application of Lightweight Structure in Automobile Bumper Beam: A Review

open access: yesMaterials, 2023
The bumper beam is an important device to ensure the safety of the car, which can effectively alleviate the force and absorb energy when the car collides.
Bing Du   +5 more
semanticscholar   +1 more source

Finite Element Coding of Functionally Graded Beams under Various Boundary and Loading Conditions

open access: yesJournal of Applied Research on Industrial Engineering, 2017
Detailed formulation and coding of exact finite element is carried out to study the static behavior of a layered beam structure. The beam element is modelled based on the first-order shear deformation theory and it is assumed to be composed of three ...
Othman Al-Hawamdeh   +2 more
doaj   +1 more source

Transfer matrix method for elastic-plastic problem of space-curved beam structure

open access: yesNihon Kikai Gakkai ronbunshu, 2019
Problems of space-curved beam structures have been extensively studied by many researchers. Stress analyses for the structural problems are conducted based on a finite element method, boundary element method, or frame structure method.
Sho-ichi KURODA   +2 more
doaj   +1 more source

Numerical Analysis of a New Block-Type Rail Bearing Beam for the Mid-Low-Speed Maglev Train

open access: yesAdvances in Civil Engineering, 2021
In this study, a new block-type rail bearing beam is presented, which consists of a cast-in-place base and prefabricated blocks. The finite element analysis is conducted to assess the proposed new rail bearing beam structure. The performed finite element
Wubin Wang   +4 more
doaj   +1 more source

Failure mechanism and fracture aperture characteristics of hard thick main roof based on voussoir beam structure in longwall coal mining

open access: yesEnergy Science & Engineering, 2019
The mechanism and fracture aperture of thick hard roof failure were theoretically analyzed from the perspective of elastoplastic mechanics. A uniform load cantilever beam was established by considering the voussoir beam structure and stress condition ...
Chunwang Zhang   +7 more
semanticscholar   +1 more source

Estimation of Phonon Dispersion Relations Using Correlation Effects Among Thermal Displacements of Atoms

open access: yesAtom Indonesia, 2015
Neutron diffraction measurement of powder α-Fe sample at 295 K was carried out at the high resolution powder diffractometer installed at Japan Proton Accelerator Research Complex (J-PARC). Crystal parameters were determined from Rietveld analysis.
Y. Ishikawa   +5 more
doaj   +1 more source

Multi-Damage Detection for Steel Beam Structure [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2016
Damage detection has been focused by researchers because of its importance in engineering practices. Therefore, different approaches have been presented to detect damage location in structures.
Reza Farokhzad   +3 more
doaj   +1 more source

Optimization Analysis of The Strength Capacity and The Economic Value Comparison of Castellated Steel Beam and Its Equivalent IWF Beam

open access: yesJurnal Teknik Sipil dan Perencanaan, 2021
The research is aimed to figure out the comparison of the strength capacity and economic value comparison of castellated steel beam to its equivalent IWF beam.
Listiyono Budi   +5 more
doaj   +1 more source

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