Nano-beams under torsion: a stress-driven nonlocal approach

Raffaele Barretta, Luciano Feo, Raimondo Luciano, Francesco Marotti de Sciarra and Rosa Penna

PSU Research Review, 2017, vol. 1, issue 2, 164-169

Abstract: Purpose - This study aims to model scale effects in nano-beams under torsion. Design/methodology/approach - The elastostatic problem of a nano-beam is formulated by a novel stress-driven nonlocal approach. Findings - Unlike the standard strain-driven nonlocal methodology, the proposed stress-driven nonlocal model is mathematically and mechanically consistent. The contributed results are useful for the design of modern devices at nanoscale. Originality/value - The innovative stress-driven integral nonlocal model, recently proposed in literature for inflected nano-beams, is formulated in the present submission to study size-dependent torsional behavior of nano-beams.

Keywords: Carbon nanotubes; Torsion; Integral elasticity; Nano-beams (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eme:prrpps:prr-05-2017-0030

DOI: 10.1108/PRR-05-2017-0030

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