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dc.contributor.authorGhayesh, M.-
dc.contributor.authorFarokhi, H.-
dc.contributor.authorGholipour, A.-
dc.contributor.authorHussain, S.-
dc.contributor.authorArjomandi, M.-
dc.identifier.citationJournal of Computational and Nonlinear Dynamics, 2017; 12(5):1-12-
dc.description.abstractThis paper aims at analyzing the size-dependent nonlinear dynamical behavior of a geometrically imperfect microbeam made of a functionally graded (FG) material, taking into account the longitudinal, transverse, and rotational motions. The size-dependent property is modeled by means of the modified couple stress theory, the shear deformation and rotary inertia are modeled using the Timoshenko beam theory, and the graded material property in the beam thickness direction is modeled via the Mori–Tanaka homogenization technique. The kinetic and size-dependent potential energies of the system are developed as functions of the longitudinal, transverse, and rotational motions. On the basis of an energy method, the continuous models of the system motion are obtained. Upon application of a weighted-residual method, the reduced-order model is obtained. A continuation method along with an eigenvalue extraction technique is utilized for the nonlinear and linear analyses, respectively. A special attention is paid on the effects of the material gradient index, the imperfection amplitude, and the length-scale parameter on the system dynamical response.-
dc.description.statementofresponsibilityMergen H. Ghayesh, Hamed Farokhi, Alireza Gholipour, Shahid Hussain, Maziar Arjomandi-
dc.publisherAmerican Society of Mechanical Engineers-
dc.rightsCopyright © 2017 by ASME-
dc.subjectfunctionally graded microbeam; coupled motion; geometric imperfection; modified couple stress theory-
dc.titleResonance responses of geometrically imperfect functionally graded extensible microbeams-
dc.typeJournal article-
dc.identifier.orcidArjomandi, M. [0000-0002-7669-2221]-
Appears in Collections:Aurora harvest 8
Mechanical Engineering publications

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