2016
DOI: 10.1007/s00542-016-2956-6
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A modified model for dynamic instability of CNT based actuators by considering rippling deformation, tip-charge concentration and Casimir attraction

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Cited by 15 publications
(5 citation statements)
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“…In this paper, an innovative stress-driven nonlocal mixture is proposed for Timoshenko nano-beams. Such a model is combination of local and nonlocal elastic phases and di ers from Eringen-like [11,12,13,14], strain gradient [15,16,17,18,19], couple stress models [20,21] and other approaches available in literature [22,23,24,25,26,27,28,29,30]. The need of the proposed stress-driven approach with mixture of local and nonlocal phases derives from a recent research [31] on behavior of the straindriven nonlocal model for bounded nanostructures, where the bending field is expressed as convolution of elastic curvature with an averaging kernel assuming an exponential expression.…”
Section: Introductionmentioning
confidence: 99%
“…In this paper, an innovative stress-driven nonlocal mixture is proposed for Timoshenko nano-beams. Such a model is combination of local and nonlocal elastic phases and di ers from Eringen-like [11,12,13,14], strain gradient [15,16,17,18,19], couple stress models [20,21] and other approaches available in literature [22,23,24,25,26,27,28,29,30]. The need of the proposed stress-driven approach with mixture of local and nonlocal phases derives from a recent research [31] on behavior of the straindriven nonlocal model for bounded nanostructures, where the bending field is expressed as convolution of elastic curvature with an averaging kernel assuming an exponential expression.…”
Section: Introductionmentioning
confidence: 99%
“…CNTs have potential for broad application in ultra-small devices including, but not limited to, sensor (Ali-Akbari et al, 2019;Kang et al, 2017), resonators (Besley, 2020;Ouakad & Younis, 2010), tweezers (Farrokhabadi et al, 2014;Kim & Lieber, 1999), probes (Y. Liu et al, 2017), actuators (Sedighi & Farjam, 2017) and switches (Dequesnes et al, 2004). With the new demands for ultra-small high accuracy devices, miniature resonators become the building block of modern instruments such as sensors (Hajjam & Pourkamali, 2011;Qian et al, 2016), accelerometers (Tocchio et al, 2011), and communication and signal processing devices (Mestrom et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…Wang and Wang simulated rippling formation and proposed a bending moment-curvature relationship of CNTs [23] . Many researchers have used this model for simulating the rippling phenomenon [24][25][26][27][28] . Soltani et al [24] investigated the transverse vibration of single-walled carbon nanotubes by considering the rippling bending.…”
Section: Introductionmentioning
confidence: 99%
“…The dynamic performances singlewalled CNT manufactured actuators with rippling deformation were investigated in Ref [ 26] . In another research, by considering rippling deformation, Sedighi and Farjam explored the dynamic pull-in properties of nanoscale actuators [27] . Under rippling deformation, Ghaffari and Abdelkefi examined the dynamic response of CNT bases sensors in magnetic and thermal conditions [28] .…”
Section: Introductionmentioning
confidence: 99%