A Partition of Unity Method for a Fourth‐Order Variational Inequality of the Second Kind.

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Title: A Partition of Unity Method for a Fourth‐Order Variational Inequality of the Second Kind.
Authors: Bard Davis, Christopher1 (AUTHOR) cbdavis@tntech.edu, Zhang, Yi2 (AUTHOR)
Source: Numerical Methods for Partial Differential Equations. Jul2025, Vol. 41 Issue 4, p1-13. 13p.
Subjects: Partition of unity method, Variational inequalities (Mathematics), Energy function, Error analysis in mathematics
Abstract: In this work, we consider the use of a flat‐top partition of unity method to solve a class of fourth‐order variational inequalities of the second kind. Under the assumption that the solution is H3(Ω)$$ {H}^3\left(\Omega \right) $$ regular, optimal error estimates are made in the energy norm. Numerical examples are given to demonstrate the effectiveness of the proposed method. [ABSTRACT FROM AUTHOR]
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Abstract:In this work, we consider the use of a flat‐top partition of unity method to solve a class of fourth‐order variational inequalities of the second kind. Under the assumption that the solution is H3(Ω)$$ {H}^3\left(\Omega \right) $$ regular, optimal error estimates are made in the energy norm. Numerical examples are given to demonstrate the effectiveness of the proposed method. [ABSTRACT FROM AUTHOR]
ISSN:0749159X
DOI:10.1002/num.70020