Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/55737
Title: Numerical simulation of the steady-state deformation of a smart hydrogel under an external electric field
Authors: Zhou, X
Hon, YC
Sun, S
Mak, AFT
Issue Date: 2002
Publisher: Institute of Physics Publishing
Source: Smart materials and structures, 2002, v. 11 , no. 3, p. 459-467 How to cite?
Journal: Smart materials and structures 
Abstract: In this paper, we develop a numerical model based on a multiphasic theory to simulate the deformation response of a hydrogel strip immersed into an acidic solution under an external electric field. The deformation response consists of complicated mechano-electrochemical behaviours including mechanical effects (pressure and diffusive drag), chemical effects (concentration, chemical potential, osmotic pressure) and electric effects (electric field intensity, electric potential). The complexity coupled nonlinear governing equations are numerically solved using a recently developed meshless radial basis function method. We analyse the major factors which influence the swelling/shrinking behaviours of the hydrogel strip. The numerical results show good agreement with the experimental measurements.
URI: http://hdl.handle.net/10397/55737
ISSN: 0964-1726
EISSN: 1361-665X
DOI: 10.1088/0964-1726/11/3/316
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