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Parametric Studies of a Coupled Transport/Hyperelastic Model for High Energy Density Nastic Materials

[+] Author Affiliations
Eric Freeman, Lisa Weiland

University of Pittsburgh, Pittsburgh, PA

Paper No. IMECE2007-43072, pp. 253-260; 8 pages
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 10: Mechanics of Solids and Structures, Parts A and B
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4304-1 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME


The focus of this research is to optimize the performance of a high energy density active material based upon biological processes. This material uses controlled transport of charge and fluid across a selectively permeable membrane to achieve bulk deformation, similar to nastic movements in the plant kingdom. The membrane utilizes biological ion pumps, ion channels, and ion exchangers surrounding a spherical inclusion in a polymer matrix. This work examines the effect of the geometry of the inclusion and the surrounding matrix on the predictions of the model.

Copyright © 2007 by ASME
Topics: Density



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