Abstract
In this paper, an electro-elastic frictional contact problem is studied numerically as a hemivariational inequality. Convergence of the Galerkin approximation for the hemivariational inequality is proved, and Céa’s type inequalities are derived for error estimation. The results are applied to the electro-elastic contact problem, and an optimal order error estimate is deduced for linear element approximation. Finally, two numerical examples are reported, providing numerical evidence of the optimal convergence order theoretically predicted.
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Acknowledgements
Ziping Huang was partially supported by the cooperative project of Tongji Zhejiang College and Haiyan County Environmental Protection Bureau with No. Haiyan wupu(2018)-001-2. Wenbin Chen is supported by the National Science Foundation of China (11671098) and partially supported by Shanghai Science and technology research program (19JC1420101). Cheng Wang is supported by the 10 plus 10 project of Tongji University under Grant No. 4260141304/004/010.
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Xu, W., Huang, Z., Han, W. et al. Numerical approximation of an electro-elastic frictional contact problem modeled by hemivariational inequality. Comp. Appl. Math. 39, 265 (2020). https://doi.org/10.1007/s40314-020-01305-5
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DOI: https://doi.org/10.1007/s40314-020-01305-5
Keywords
- Hemivariational inequality
- Galerkin approximation
- Optimal order error estimate
- Electro-elastic material
- Frictional contact