Buckling of chiral elastic rings spanned by fluid films

Authors

  • Hoang Minh Tuan Institute of Mechanics, VAST, 264 Doi Can street, Hanoi, Vietnam https://orcid.org/0000-0001-5965-4007
  • Nguyen Thi Lan Institute of Mechanics, VAST, 264 Doi Can street, Hanoi, Vietnam
  • Tran Minh Tuyen Institute of Mechanics, VAST, 264 Doi Can street, Hanoi, Vietnam https://orcid.org/0000-0002-3115-2299

DOI:

https://doi.org/10.15625/0866-7136/16726

Keywords:

buckling, elastic ring, chirality, cosseratsserat rod, fluid film

Abstract

We use variational method to examine buckling of chiral elastic rings spanned by fluid films. We find that the critical surface tension of the fluid film at which buckling occurs depends on the degree of chirality, regardless whether the ring possesses left-handed chirality or right-handed chirality. Additionally, the chirality always has a destabilizing effect on buckling, yielding to buckle at a critical surface tension smaller than that of the achiral elastic rings. The destabilizing effect of chirality, however, can be reduced by increasing the twisting rigidity to bending rigidity of filaments (twist-to-bend ratio).

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Published

30-03-2022

How to Cite

Tuan, H. M., Lan, N. T., & Tuyen, T. M. (2022). Buckling of chiral elastic rings spanned by fluid films. Vietnam Journal of Mechanics, 44(1), 59–68. https://doi.org/10.15625/0866-7136/16726

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Research Paper