Closed-packed lattice model for polymer solution systems considering the chain length dependence effect: Correlating LLE, VLE, and gel swelling behaviors using identical interaction energy parameters

A systematic development of a chemo–electro–mechanical continuum model—for the application of electrically-stimulated cantilevered hydrogels—and its numerical implementation are presented in this work. The governing equations are derived within the framework of the continuum mechanics of mixtures. The finite element method is then utilized for the numerical treatment of the model. For the numerical simulation a cantilevered strip of an anionic hydrogel immersed in a NaCl solution bath is considered. An electric field is applied to electrically stimulate the aforementioned hydrogel. The application of the electric field alters the initial concentrations of the ionic species due to the chemo–electrical coupling. The gradual increase in the applied electric field leads to the bending movement of the hydrogel. Concluding, the presented multi-field continuum model is capable of simulating hydrogel bending actuators and also more complex systems e.g. gel finger grippers.

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Modeling and simulation of the bending behavior of electrically-stimulated cantilevered hydrogels

Attaran

Brummund

Wallmersperger

2015

Smart Mater. Struct.

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Closed-packed lattice model for polymer solution systems considering the chain length dependence effect: Correlating LLE, VLE, and gel swelling behaviors using identical interaction energy parameters

Cited by 1 publication

References 40 publications

Modeling and simulation of the bending behavior of electrically-stimulated cantilevered hydrogels

Modeling and simulation of the bending behavior of electrically-stimulated cantilevered hydrogels

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