STABILITY ANALYSIS OF A CAPACITIVE FGM MICRO-BEAM USING MODIFIED COUPLE STRESS THEORY

查看全文 作　　者：Behrokh [1]Abbasnejad;Ghader [1]Rezazadeh;Rasool [1]Shabani

机构地区：[1]Mechanical Engineering Department, Urmia University

出　　处：《Acta Mechanica Solida Sinica》索引2013年第26卷第4期,共14页

摘　　要：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 thickness according to a power-law.Dynamic and static pull-in voltages are obtained and it is shown that the static and dynamic pull-in voltages for some materials cannot be obtained using classic theories and components of couple stress must be taken into account.In addition,it is shown that the values of pull-in voltages depend on the variation through the thickness of the volume fractions of the two constituents. 关键词：偶应力理论 FGM 稳定性分析微束改性电容静电作用功能梯度

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STABILITY ANALYSIS OF A CAPACITIVE FGM MICRO-BEAM USING MODIFIED COUPLE STRESS THEORY

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