Results 1 to 10 of about 57,408 (268)

An Analysis of Nonlinear Beam Vibrations with the Extended ‎Rayleigh-Ritz Method [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
The nonlinear deformation and vibrations of beams are frequently encountered as a typical example of structural analysis as well as a mathematical problem.
Huimin Jing   +4 more
doaj   +1 more source

The Approximate Solution of the Nonlinear Exact Equation of Deflection of an Elastic Beam with the Galerkin Method

open access: yesApplied Sciences, 2022
Calculating the large deflection of a cantilever beam is one of the common problems in engineering. The differential equation of a beam under large deformation, or the typical elastica problem, is hard to approximate and solve with the known solutions ...
Chencheng Lian   +3 more
doaj   +1 more source

A Longitudinal-Bending Hybrid Linear Ultrasonic Motor and Its Driving Characteristic

open access: yesShock and Vibration, 2022
As a new type of driver, linear ultrasonic motor (LUSM) is widely used in the high-tech field because of its low speed, high thrust, low noise, and no electromagnetic interference.
Huajie Qu   +4 more
doaj   +1 more source

Effects of Polarity Inversion Layer on Performances of Lateral-Field-Excitation Piezoelectric Sensors Based on Lithium Niobate Single Crystal

open access: yesCrystals, 2021
In this work, lateral-field-excitation (LFE) piezoelectric sensors based on polarity inversion layer are designed and fabricated, then frequency stabilities and sensitivities on electric property changes of liquids are tested.
Yuanzhen Zheng   +6 more
doaj   +1 more source

The Integrated Analysis of Vibrations of Quartz Crystal Plates ‎through Artificial Coupling Factors [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
We introduce smaller artificial factors into the elastic constants matrix and manage to make Mindlin first-order plate theoryequations of motions coupled for a uniform and integrated analysis.
Qi Huang   +4 more
doaj   +1 more source

Piezoelectric Resonators Excited by Lateral Electric Fields Based on a LiTaO3 Single Crystal

open access: yesCrystals, 2020
In the present study, piezoelectric resonators under lateral field excitation (LFE) based on a LiTaO3 single crystal are modeled and analyzed. An electrically forced vibration study is employed to acquire the motional capacitance curve and vibration mode
Hao Shi   +9 more
doaj   +1 more source

High-Frequency Vibration Analysis of Piezoelectric Array Sensor under Lateral-Field-Excitation Based on Crystals with 3 m Point Group

open access: yesSensors, 2022
Based on Mindlin’s first-order plate theory, the high-frequency vibrations of piezoelectric bulk acoustic wave array sensors under lateral-field-excitation based on crystals with 3 m point group are analyzed, and the spectral-frequency relationships are ...
Jiachao Xu   +9 more
doaj   +1 more source

The Extended Galerkin Method for Approximate Solutions of Nonlinear Vibration Equations

open access: yesApplied Sciences, 2022
An extension has been made to the popular Galerkin method by integrating the weighted equation of motion over the time of one period of vibrations to eliminate the harmonics from thee deformation function.
Ji Wang, Rongxing Wu
doaj   +1 more source

A review of zinc-based battery from alkaline to acid

open access: yesMaterials Today Advances, 2021
The demand for electrochemical energy storage devices has spawned a demand for high-performance advanced batteries. From a meaningful performance and cost perspective, zinc-based rechargeable batteries (ZBRBs) have become the most promising secondary ...
N. Wang   +6 more
doaj   +1 more source

Contribution of Cation Addition to MnO2 Nanosheets on Stable Co3O4 Nanowires for Aqueous Zinc-Ion Battery

open access: yesFrontiers in Chemistry, 2020
Zinc-based electrochemistry attracts significant attention for practical energy storage owing to its uniqueness in terms of low cost and high safety. In this work, we propose a 2.0-V high-voltage Zn–MnO2 battery with core@shell Co3O4@MnO2 on carbon cloth
Nengze Wang   +16 more
doaj   +1 more source

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