MICRO-BEAM

作品数：31被引量：43H指数：3
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相关作者：高大庆王志光满开弟刘杰何源更多>>
相关机构：中国科学院近代物理研究所更多>>
相关期刊：《Science China Earth Sciences》《Theoretical & Applied Mechanics Letters》《Applied Mathematics and Mechanics(English Edition)》《Acta Mechanica Solida Sinica》更多>>
相关基金：国家自然科学基金国家教育部博士点基金中国科学院重大科研装备研制项目中国博士后科学基金更多>>
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Effects of local thickness defects on the buckling of micro-beam
《Applied Mathematics and Mechanics(English Edition)》2022年第5期729-742,共14页Andi LAI Bing ZHAO Xulong PENG Chengyun LONG 
Project supported by the Young Core Instructor and Domestic Visitor Foundation from the Education Commission of Hunan Province(No.21B0315)。
A buckling model of Timoshenko micro-beam with local thickness defects is established based on a modified gradient elasticity.By introducing the local thickness defects function of the micro-beam,the variable coeffici...
关键词：Timoshenko micro-beam local thickness defect modified gradient elasticity BUCKLING 
Size-dependent thermoelastic initially stressed micro-beam due to a varying temperature in the light of the modified couple stress theory被引量：2
《Applied Mathematics and Mechanics(English Edition)》2020年第12期1805-1820,共16页A.E.ABOUELREGAL 
The bending of the Euler-Bernoulli micro-beam has been extensively modeled based on the modified couple stress(MCS)theory.Although many models have been incorporated into the literature,there is still room for introdu...
关键词：THERMOELECTRICITY MICRO-BEAM initial stress temperature pulse modified couple stress(MCS)theory 
Transverse shear and normal deformation effects on vibration behaviors of functionally graded micro-beams被引量：2
《Applied Mathematics and Mechanics(English Edition)》2020年第9期1303-1320,共18页Zhu SU Lifeng WANG Kaipeng SUN Jie SUN 
Project supported by the National Natural Science Foundation of China(Nos.51805250 and 11602145);the Natural Science Foundation of Jiangsu Province of China(No.BK20180429);the China Postdoctoral Science Foundation(No.2019M660114);the Jiangsu Planned Projects for Postdoctoral Research Funds of China(No.2019K054)。
A quasi-three dimensional model is proposed for the vibration analysis of functionally graded(FG)micro-beams with general boundary conditions based on the modified strain gradient theory.To consider the effects of tra...
关键词：quasi-three dimensional theory modified strain gradient theory function-ally graded(FG)micro-beam size effect vibration general boundary condition 
Thermoelastic Damping of Functionally Graded Material Micro-Beam Resonators Based on the Modified Couple Stress Theory被引量：3
《Acta Mechanica Solida Sinica》2020年第4期496-507,共12页Zhichao Zhang Shirong Liu 
Project supported by the National Natural Science Foundation of China(No.11672260);the Natural Science Foundation of Jiangsu(No.BK20180894).
Thermoelastic damping(TED)is one of the main internal energy dissipation mechanisms in micro/nano-resonators.Accurate evaluation of TED is important in the design of micro-electromechanical systems and nano-electromec...
关键词：Functionally graded material Size dependent Thermoelastic damping MICRO-BEAM 
Instability of functionally graded micro-beams via micro-structure-dependent beam theory被引量：1
《Applied Mathematics and Mechanics(English Edition)》2018年第7期923-952,共30页Xiaobai LI Li LI Yujin HU 
supported by the National Natural Science Foundation of China(Nos.51375184 and 51605172);the Fundamental Research Funds for the Central Universities(No.2015MS014)
This paper focuses on the buckling behaviors of a micro-scaled bi-directional functionally graded （FG） beam with a rectangular cross-section, which is now widely used in fabricating components of micro-nano-electro-...
关键词：bi-directional functionally graded（FG）material BUCKLING modified couplestress theory MICRO-BEAM 
Vibration and wave propagation analysis of twisted micro-beam using strain gradient theory被引量：3
《Applied Mathematics and Mechanics(English Edition)》2016年第10期1375-1392,共18页M.MOHAMMADIMEHR M.J.FARAHI S.ALIMIRZAEI 
Project supported by the Iranian Nanotechnology Development Committee and the University of Kashan(No.463855/11)
In this research, vibration and wave propagation analysis of a twisted micro- beam on Pasternak foundation is investigated. The strain-displacement relations （kine-matic equations） are calculated by the displacement...
关键词：vibration and wave propagation analysis twisted micro-beam strain gradient theory （SGT） rate of twist angle 
Coupled vibrations and frequency shift of compound system consisting of quartz crystal resonator in thickness-shear motions and micro-beam array immersed in liquid被引量：3
《Applied Mathematics and Mechanics(English Edition)》2015年第2期225-232,共8页Xuan XIE Lingcheng KONG Yuxi WANG Jun ZHANG Yuantai HU 
Project supported by the National Natural Science Foundation of China(Nos.11272127 and51425006);the Research Fund for the Doctoral Program of Higher Education of China(No.20130142110022);the Grant from the Impact and Safety of Coastal Engineering Initiative Program of Zhejiang Provincial Government at Ningbo University(No.zj1213)
The dynamic characteristics of a quartz crystal resonator（QCR） in thicknessshear modes（TSM） with the upper surface covered by an array of micro-beams immersed in liquid are studied. The liquid is assumed to be inv...
关键词：quartz crystal resonator（QCR） MICRO-BEAM modal analysis frequency shift added mass of liquid 
STABILITY ANALYSIS OF A CAPACITIVE FGM MICRO-BEAM USING MODIFIED COUPLE STRESS THEORY被引量：4
《Acta Mechanica Solida Sinica》2013年第4期427-440,共14页Behrokh Abbasnejad Ghader Rezazadeh Rasool Shabani 
Based on the Modified Couple Stress Theory,a functionally graded micro-beam under electrostatic forces is studied.The FGM micro-beam is made of two materials and material properties vary continuously along the beam th...
关键词：MEMS FGM micro-beam stability pull-in voltage electrostatic pressure modified couple stress theory 
A unified analysis of a micro-beam,droplet and CNT ring adhered on a substrate:Calculation of variation with movable boundaries被引量：3
《Acta Mechanica Sinica》2013年第1期62-72,共11页Jian-Lin Liu Re Xia 
supported by the National Natural Science Foundation of China (11272357 and 11102140);Doctoral Fund of Ministry of Education of China (200804251520 and 20110141120024);Natural Science Foundation of Shandong Province (ZR2009AQ006)
In this study, we developed a general method to analytically tackle a kind of movable boundary problem from the viewpoint of energy variation. Having grouped the adhesion of a micro-beam, droplet and carbon nanotube ...
关键词：Variational theory - Transversality condition Beam adhesion Droplet adhesion Carbon nanotube ring adhesion 
EFFECT OF THE OPEN CRACK ON THE PULL-IN INSTABILITY OF AN ELECTROSTATICALLY ACTUATED MICRO-BEAM被引量：1
《Acta Mechanica Solida Sinica》2012年第6期627-637,共11页Asadollah Motallebi Mohammad Fathalilou Ghader Rezazadeh 
In this paper, the effects of the open crack on the static and dynamic pull-in volt- ages of an electrostatically actuated fixed-fixed and cantilever micro-beam are investigated. By presenting a mathematical modeling,...
关键词：MEMS open crack ELECTROSTATIC pull-in instability 
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