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

Author

Listed:
  • Raffaele Barretta
  • Luciano Feo
  • Raimondo Luciano
  • Francesco Marotti de Sciarra
  • Rosa Penna

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.

Suggested Citation

  • Raffaele Barretta & Luciano Feo & Raimondo Luciano & Francesco Marotti de Sciarra & Rosa Penna, 2017. "Nano-beams under torsion: a stress-driven nonlocal approach," PSU Research Review, Emerald Group Publishing Limited, vol. 1(2), pages 164-169, August.
    • Handle: RePEc:eme:prrpps:prr-05-2017-0030
    DOI: 10.1108/PRR-05-2017-0030
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