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Truss and Beam Structures

2021
The presentation of the finite element method starts in this chapter with the explanation of the finite element method for truss and beam systems. The concept of stiffness matrices is shown first for a simple truss element. The procedure for setting up the equations for a finite element analysis is explained exemplary for a simple truss system.
openaire   +1 more source

Photonic crystal structures: Beam deflector and beam router

Chinese Physics B, 2018
We investigate the optical characteristic, transverse magnetic (TM) and transverse electric (TE) band of two-dimensional (2D) square lattice photonic crystal structure, which is composed of cylindrical air regions positioned at the corners of the square shaped dielectric rods.
Erdiven U., Tetik E., Karadag F.
openaire   +3 more sources

Novel inertial piezoelectric actuator with high precision and stability based on a two fixed-end beam structure

Smart materials and structures (Print), 2018
A novel inertial piezoelectric actuator is proposed in this study to address the large vibration problem in piezoelectric actuators with a typical cantilever structure.
Qitao Lu   +5 more
semanticscholar   +1 more source

Beam structure studies of low-energy ion beams

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1991
Abstract The ion beam structure at various axial positions along the beam-transport line has been monitored and studied utilizing a fluor screen and a video camera. The fluor material is aluminum oxide that is plasma-jet sprayed onto the surface of an aluminum or a water-cooled copper substrate.
K. Saadatmand   +3 more
openaire   +1 more source

Vibrations of a Multi-Span Beam Structure Carrying Many Moving Oscillators

International Journal of Structural Stability and Dynamics, 2018
A beam structure carrying multiple moving oscillators is a mathematical model for various engineering applications, including rapid transit systems.
Bingen Yang, Hao Gao, Shi-bing Liu
semanticscholar   +1 more source

Equivalent beam analysis of thin-walled beam structures

Computers & Structures, 1987
Abstract In the analysis of thin-walled beam structures it is often necessary to consider the effects of warping restraint in addition to the more usual actions of pure torsion, bending moment and axial force. Out-of-plane warping occurs as a result of twisting about the horizontal axis and, if restrained, may result in the development of large ...
openaire   +1 more source

Experimental study of reducing beam wander by modulating the coherence structure of structured light beams

Optics Letters, 2019
We study the beam wander of a class of structured light beams, Hermite-Gaussian correlated Schell-model (HGCSM) beams, in theory and in experiment. It is found that modulating the coherence structure of a structured light beam can reduce the turbulence-induced beam wander, i.e., a HGCSM beam with larger mode orders or lower coherence experiences ...
Jiayi Yu   +5 more
openaire   +2 more sources

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