Existence for a quasistatic variational-hemivariational inequality

Existence for a quasistatic variational-hemivariational inequality
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准静态变分-半变分不等式的存在性

DOI:
10.3934/eect.2020058
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发表时间:
2020
影响因子:
1.5
通讯作者:
Zhonghui Liu
Zhonghui Liu
中科院分区:
数学4区
文献类型:
--
作者:
Zijia Peng;Cuiming Ma;Zhonghui Liu

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本文研究粘弹性材料准静态接触问题中出现的变分-半变分不等式的等价形式——演化包涵。利用Rothe方法和单调算子理论证明了在演化三重空间框架下弱解的存在性。对抽象结果在摩擦接触问题中的应用作了评论。本文推广了S. Migorski和a . Ochal的一类准静态半分不等式的已知存在性结果[j]。分析的。农业科学,41(2009):1415-1435]。将包含中的一个线性有界算子推广为凸泛函的非线性无界次微分算子,并去掉了系数的小条件。并将半变分不等式的存在推广到具有更广泛应用的变分-半变分不等式。
This paper deals with an evolution inclusion which is an equivalent form of a variational-hemivariational inequality arising in quasistatic contact problems for viscoelastic materials. Existence of a weak solution is proved in a framework of evolution triple of spaces via the Rothe method and the theory of monotone operators. Comments on applications of the abstract result to frictional contact problems are made. The work extends the known existence result of a quasistatic hemivariational inequality by S. Migorski and A. Ochal [SIAM J. Math. Anal., 41 (2009) 1415-1435]. One of the linear and bounded operators in the inclusion is generalized to be a nonlinear and unbounded subdifferential operator of a convex functional, and a smallness condition of the coefficients is removed. Moreover, the existence of a hemivariational inequality is extended to a variational-hemivariational inequality which has wider applications.
模拟准静态粘弹性接触问题的一类变分不等式的存在性
DOI: 10.1002/zamm.201800172
发表时间: 2019
期刊: Zeitschrift fur Angewandte Mathematik und Mechanik
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