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Large deflections of folded cantilever: Experiments and elastica analysis

Publication ,  Journal Article
Virgin, LN; Plaut, RH
Published in: International Journal of Non-Linear Mechanics
March 1, 2021

Folded cantilevers have been utilized in MEMS devices, particularly for suspension. The structures consist of a horizontal beam segment fixed at its left end, a short downward connector (joint) at the right end, and a lower horizontal segment under the upper one. Here, the left end of the lower segment is free and a downward concentrated load is applied there. Experiments are conducted on five folded cantilevers with different lengths of the lower segment. An elastica analysis is performed, allowing for large deflections and rotations. The self-weight of the segments is included in the analysis. The effects of the end load and the relative lengths of the segments are investigated. The experimental results compare well to those from the theory.

Duke Scholars

Published In

International Journal of Non-Linear Mechanics

DOI

ISSN

0020-7462

Publication Date

March 1, 2021

Volume

129

Related Subject Headings

  • Mechanical Engineering & Transports
  • 4901 Applied mathematics
  • 4017 Mechanical engineering
  • 4005 Civil engineering
  • 0913 Mechanical Engineering
  • 0905 Civil Engineering
  • 0102 Applied Mathematics
 

Citation

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Virgin, L. N., & Plaut, R. H. (2021). Large deflections of folded cantilever: Experiments and elastica analysis. International Journal of Non-Linear Mechanics, 129. https://doi.org/10.1016/j.ijnonlinmec.2020.103641
Virgin, L. N., and R. H. Plaut. “Large deflections of folded cantilever: Experiments and elastica analysis.” International Journal of Non-Linear Mechanics 129 (March 1, 2021). https://doi.org/10.1016/j.ijnonlinmec.2020.103641.
Virgin LN, Plaut RH. Large deflections of folded cantilever: Experiments and elastica analysis. International Journal of Non-Linear Mechanics. 2021 Mar 1;129.
Virgin, L. N., and R. H. Plaut. “Large deflections of folded cantilever: Experiments and elastica analysis.” International Journal of Non-Linear Mechanics, vol. 129, Mar. 2021. Scopus, doi:10.1016/j.ijnonlinmec.2020.103641.
Virgin LN, Plaut RH. Large deflections of folded cantilever: Experiments and elastica analysis. International Journal of Non-Linear Mechanics. 2021 Mar 1;129.
Journal cover image

Published In

International Journal of Non-Linear Mechanics

DOI

ISSN

0020-7462

Publication Date

March 1, 2021

Volume

129

Related Subject Headings

  • Mechanical Engineering & Transports
  • 4901 Applied mathematics
  • 4017 Mechanical engineering
  • 4005 Civil engineering
  • 0913 Mechanical Engineering
  • 0905 Civil Engineering
  • 0102 Applied Mathematics