Finite element method for a stationary Stokes hemivariational inequality with slip boundary condition

Finite element method for a stationary Stokes hemivariational inequality with slip boundary condition
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具有滑移边界条件的平稳斯托克斯半变分不等式的有限元方法

DOI:
10.1093/imanum/drz032
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发表时间:
2019-08
影响因子:
2.1
通讯作者:
Dai Xiaoxia
Dai Xiaoxia
中科院分区:
数学2区
文献类型:
--
作者:
Fang Changjie;Czuprynski Kenneth;Han Weimin;Cheng Xiaoliang;Dai Xiaoxia

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研究了一类带非线性滑移边界条件的定常Stokes方程的半变分不等式问题。利用Clarke意义下的广义方向导数和广义梯度建立了半变分不等式。给出了半变分不等式的存在唯一性结果。然后利用有限元方法求解半变分不等式。通过混合公式处理不可压缩性约束。误差估计的数值解。数值模拟结果表明,理论预测的收敛阶。
This paper is devoted to the study of a hemivariational inequality problem for the stationary Stokes equations with a nonlinear slip boundary condition. The hemivariational inequality is formulated with the use of the generalized directional derivative and generalized gradient in the sense of Clarke. We provide an existence and uniqueness result for the hemivariational inequality. Then we apply the finite element method to solve the hemivariational inequality. The incompressibility constraint is treated through a mixed formulation. Error estimates are derived for numerical solutions. Numerical simulation results are reported to illustrate the theoretically predicted convergence orders.
DOI: --
发表时间: 1993-10
期刊: --
影响因子: --
作者:
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DOI: 10.1016/s1570-8659(96)80005-6
发表时间: 1996
期刊: Handbook of Numerical Analysis
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影响因子: 1.1
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