Results 21 to 30 of about 14,910,135 (394)

SEISMIC MITIGATION EFFICIENCY STUDY OF THE COUPLING BEAM DAMPER IN THE SHEAR WALL STRUCTURE

open access: yesCivil Engineering Journal, 2021
Coupling beam damper can be easily repaired in the post-earthquake, which can dissipate the seismic energy of the structure in the earthquake action. In this paper, the seismic mitigation efficiency of the coupling beam damper in the shear wall structure
Xin Huang
doaj   +1 more source

Dynamics of electron beams in the solar corona plasma with density fluctuations [PDF]

open access: yes, 2001
The problem of beam propagation in a plasma with small scale and low intensity inhomogeneities is investigated. It is shown that the electron beam propagates in a plasma as a beam-plasma structure and is a source of Langmuir waves.
Benz   +32 more
core   +2 more sources

Buckling of Planar Micro-Structured Beams [PDF]

open access: yesApplied Sciences, 2020
In this paper, a Timoshenko beam model is formulated for buckling analysis of periodic micro-structured beams, uniformly compressed. These are planar grid beams, whose micro-structure consists of a square lattice of equal fibers, modeled as Timoshenko micro-beams.
Ferretti M., D'Annibale F.
openaire   +2 more sources

Energy Flow Analysis of High-Frequency Flexural Vibration of Wedge Beam Structures

open access: yesShock and Vibration, 2022
Wedge members with variable thickness are widely used in ship structures, aerospace structures, and building structures. Considering their application scenarios, their high-frequency vibration characteristics have important research value.
Miaoxia Xie   +6 more
doaj   +1 more source

Laser Interaction with a Dielectric Block [PDF]

open access: yes, 2010
Some optical experiments provide the easiest way to test quantum mechanical predictions. Such a situation applies to a laser beam traversing a dielectric structure. The dielectric structure mir- roring quantum mechanical potentials. The simplest of these,
De Leo, Stefano, Rotelli, Pietro
core   +1 more source

POLARIZED STRUCTURE FUNCTIONS WITH NEUTRINO BEAMS [PDF]

open access: yesSpin 2004, 2005
11 pages, 9 figures, plenary talk at ...
openaire   +3 more sources

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

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

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

Willis Metamaterial on a Structured Beam [PDF]

open access: yesPhysical Review X, 2019
21 pages, 3 ...
Liu, Yongquan   +7 more
openaire   +5 more sources

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