Numerical simulation of the steady-state deformationof a smart hydrogel under an external electric field

X Zhou; Y C Hon; S SunA F T Mak

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Numerical simulation of the steady-state deformationof a smart hydrogel under an external electric field

机译：Numerical simulation of the steady-state deformationof a smart hydrogel under an external electric field

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In this paper, we develop a numerical model based on amultiphasic theory to simulate the deformation response of a hydrogelstrip immersed into an acidic solution under an external electricfield. The deformation response consists of complicatedmechano-electrochemical behaviours including mechanical effects(pressure and diffusive drag), chemical effects (concentration,chemical potential, osmotic pressure) and electric effects (electricfield intensity, electric potential). The complexly coupled nonlineargoverning equations are numerically solved using a recently developedmeshless radial basis function method. We analyse the major factorswhich influence the swelling/shrinking behaviours of the hydrogelstrip. The numerical results show good agreement with theexperimental measurements.

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来源
《smart materials and structures》 |2002年第3期|459-467|共页
作者
X Zhou; Y C Hon; S SunA F T Mak;
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Department of Mathematics, City University ofHong Kong, Hong Kong SAR, China;

Rehabilitation Engineering Center, Hong Kong PolytechnicUniversity, Hong Kong SAR, China;

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Numerical simulation of the steady-state deformationof a smart hydrogel under an external electric field

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