Criteria for avoiding collapse in soft systems

Yeguang Xue, Yonggang Huang*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In soft systems, unwanted collapse may occur even without external loading due to adhesion. Analytic models are developed for collapse in two representative contexts: soft lithography and epidermal microfluidic devices, using fracture mechanics and beam/plate theory, respectively. In both cases, it is shown that a single parameter, the normalized work of adhesion, that combines the effect of geometry, stiffness of the material and work of adhesion governs different collapse states (no collapse, meta stable collapse and stable collapse). The established criteria provide important guidance to avoid collapse in the systems discussed.

Original languageEnglish (US)
Title of host publicationICF 2017 - 14th International Conference on Fracture
EditorsEmmanuel E. Gdoutos
PublisherInternational Conference on Fracture
Pages749-750
Number of pages2
ISBN (Electronic)9780000000002
StatePublished - Jan 1 2017
Event14th International Conference on Fracture, ICF 2017 - Rhodes, Greece
Duration: Jun 18 2017Jun 20 2017

Publication series

NameICF 2017 - 14th International Conference on Fracture
Volume1

Conference

Conference14th International Conference on Fracture, ICF 2017
CountryGreece
CityRhodes
Period6/18/176/20/17

Fingerprint

Adhesion
Microfluidics
Fracture mechanics
Lithography
Stiffness
Geometry

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction

Cite this

Xue, Y., & Huang, Y. (2017). Criteria for avoiding collapse in soft systems. In E. E. Gdoutos (Ed.), ICF 2017 - 14th International Conference on Fracture (pp. 749-750). (ICF 2017 - 14th International Conference on Fracture; Vol. 1). International Conference on Fracture.
Xue, Yeguang ; Huang, Yonggang. / Criteria for avoiding collapse in soft systems. ICF 2017 - 14th International Conference on Fracture. editor / Emmanuel E. Gdoutos. International Conference on Fracture, 2017. pp. 749-750 (ICF 2017 - 14th International Conference on Fracture).
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Xue, Y & Huang, Y 2017, Criteria for avoiding collapse in soft systems. in EE Gdoutos (ed.), ICF 2017 - 14th International Conference on Fracture. ICF 2017 - 14th International Conference on Fracture, vol. 1, International Conference on Fracture, pp. 749-750, 14th International Conference on Fracture, ICF 2017, Rhodes, Greece, 6/18/17.

Criteria for avoiding collapse in soft systems. / Xue, Yeguang; Huang, Yonggang.

ICF 2017 - 14th International Conference on Fracture. ed. / Emmanuel E. Gdoutos. International Conference on Fracture, 2017. p. 749-750 (ICF 2017 - 14th International Conference on Fracture; Vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - In soft systems, unwanted collapse may occur even without external loading due to adhesion. Analytic models are developed for collapse in two representative contexts: soft lithography and epidermal microfluidic devices, using fracture mechanics and beam/plate theory, respectively. In both cases, it is shown that a single parameter, the normalized work of adhesion, that combines the effect of geometry, stiffness of the material and work of adhesion governs different collapse states (no collapse, meta stable collapse and stable collapse). The established criteria provide important guidance to avoid collapse in the systems discussed.

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Xue Y, Huang Y. Criteria for avoiding collapse in soft systems. In Gdoutos EE, editor, ICF 2017 - 14th International Conference on Fracture. International Conference on Fracture. 2017. p. 749-750. (ICF 2017 - 14th International Conference on Fracture).