Shuling Hu1, Shengping Shen1,2
CMC-Computers, Materials & Continua, Vol.13, No.1, pp. 63-88, 2009, DOI:10.3970/cmc.2009.013.063
Abstract The electric field gradient effect is very strong for nanoscale dielectrics. In addition, neither the surface effect nor electrostatic force can be ignored. In this paper, the electric Gibbs free energy variational principle for nanosized dielectrics is established with the strain/electric field gradient effects, as well as the effects of surface and electrostatic force. As regards the surface effects both the surface stress and surface polarization are considered. From this variational principle, the governing equations and the generalized electromechanical Young-Laplace equations, which take into account the effects of strain/electric field gradient, surface and electrostatic force, More >
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