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Erschienen in:
01.05.2009 | Technical Paper
Analysis of the nonlinear dynamic stability for an electrically actuated viscoelastic microbeam
Erschienen in: Microsystem Technologies | Ausgabe 5/2009
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Abstract
In this article, based on the standard linear solid model, the Euler-Bernoulli hypothesis and the Galerkin method, an analysis of the nonlinear dynamic stability for a clamped-guided viscoelastic microbeam under both a periodic axial force and a symmetric electrostatic load is presented. By using the incremental harmonic balanced method, the boundary of the principal region of instability is got. In the numerical calculation, the effect of the environmental and inner damping, geometric nonlinear, creep quantity and the symmetric electrostatic load on the principal region of instability is discussed.