Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 107, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cnsns.2021.106125
Keywords
Virtual element method; Quasi-variational inequality; Coulomb's law of dry friction; Error estimate
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Funding
- National Natural Science Foundation of China [12171383]
- Simons Foundation Collaboration Grants [850737]
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This paper investigates the use of the virtual element method to solve frictional contact problems with normal compliance conditions. Existence and uniqueness results for the discretized scheme are obtained, along with an a priori error analysis and an optimal error bound for the lowest order virtual element method. A numerical example is provided to demonstrate the efficiency of the method and validate the theoretical error estimate.
We consider an elastostatic frictional contact problem with a normal compliance condition and Coulomb's law of dry friction, which can be modeled by a quasi-variational inequality. As a generalization of the finite element method, the virtual element method (VEM) can handle general polygonal meshes with hanging nodes, which are very suitable for solving problems with complex geometries or applying adaptive mesh refinement strategy. In this paper, we study the VEM for solving the frictional contact problem with the normal compliance condition. Existence and uniqueness results are obtained for the discretized scheme. Furthermore, a priori error analysis is established, and an optimal order error bound is derived for the lowest order virtual element method. One numerical example is given to show the efficiency of the method and to illustrate the theoretical error estimate. (C) 2021 Elsevier B.V. All rights reserved.
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