
This article is cited in 3 scientific papers (total in 3 papers)
A highly accurate homogeneous scheme for solving the laplace equation on a rectangular parallelepiped with boundary values in $C^{k,1}$
E. A. Volkov^{a}, A. A. Dosiev^{b} ^{a} Steklov Mathematical Institute of the Russian Academy of Sciences
^{b} Eastern Mediterranean University, Department of Applied Mathematics and Computer Science, Famagusta
Abstract:
In this paper, a homogeneous scheme with 26point averaging operator for the solution of Dirichlet problem for Laplace’s equation on rectangular parallelepiped is analyzed. It is proved that the order of convergence is $O(h^4)$, where $h$ is the mesh step, when the boundary functions are from $C^{3,1}$, and the compatibility condition, which results from the Laplace equation, for the second order derivatives on the adjacent faces is satisfied on the edges. Futhermore, it is proved that the order of convergence is $O(h^6({\ln h}+1))$, when the boundary functions are from $C^{5,1}$, and the compatibility condition for the fourth order derivatives is satisfied. These estimations can be used to justify different versions of domain decomposition methods.
Key words:
numerical methods for the 3D Laplace equation, finite difference method, uniform error, domain in the form of rectangular, parallelepiped
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Computational Mathematics and Mathematical Physics, 2012, 52:6, 879–886
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UDC:
519.632.4 Received: 28.12.2011
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Citation:
E. A. Volkov, A. A. Dosiev, “A highly accurate homogeneous scheme for solving the laplace equation on a rectangular parallelepiped with boundary values in $C^{k,1}$”, Zh. Vychisl. Mat. Mat. Fiz., 52:6 (2012), 1001; Comput. Math. Math. Phys., 52:6 (2012), 879–886
Citation in format AMSBIB
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This publication is cited in the following articles:

Dosiyev A.A., Sadeghi H.M.M., “On a highly accurate approximation of the first and pure second derivatives of the Laplace equation in a rectangular parallelpiped”, Adv. Differ. Equ., 2016, 145

Dosiyev A.A., Abdussalam A., “On the High Order Convergence of the Difference Solution of Laplace'S Equation in a Rectangular Parallelepiped”, Filomat, 32:3 (2018), 893–901

Dosiyev A.A., Sarikaya H., “On the Difference Method For Approximation of Second Order Derivatives of a Solution of Laplace'S Equation in a Rectangular Parallelepiped”, Filomat, 33:2 (2019), 633–643

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