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The role of multifield theories in the modelling of active materials

Gei, Massimiliano and Magnarelli, Lorenzo 2006. The role of multifield theories in the modelling of active materials. Presented at: Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), San Diego, CA, USA, 26 February 2006. Published in: Bar-Cohen, Yoseph ed. Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD). SPIE, J1680-J1680. 10.1117/12.658787

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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).

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: SPIE
Last Modified: 04 Jun 2017 08:11
URI: http://orca.cf.ac.uk/id/eprint/74054

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