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Proceedings Paper

The role of multifield theories in the modelling of active materials
Author(s): Massimiliano Gei; Lorenzo Magnarelli
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Paper Abstract

Multifield theories are powerful frameworks able to manage complexities arising in the modelling of physical phenomena. In the mechanics of active materials a multifield theory, consisting in balance and constitutive equations, may be constructed by assigning to each point of the solid an additional parameter (the morphological descriptor) which accounts for the activation mechanisms at the level of microstructure. The main elements of multifield theory applied to continuum mechanics are given. The relevant equations of the problem of a cantilever beam of conductive polymer subject to flux of ions are reported to show the coupling between chemical (ion concentration) and mechanical behaviour (end deflection).

Paper Details

Date Published: 17 March 2006
PDF: 7 pages
Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 61680J (17 March 2006); doi: 10.1117/12.658787
Show Author Affiliations
Massimiliano Gei, Univ. degli Studi di Trento (Italy)
Lorenzo Magnarelli, Univ. degli Studi di Trento (Italy)


Published in SPIE Proceedings Vol. 6168:
Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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