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An extended error analysis for a meshfree discretization method of Darcy's problem

By Daniela Schraeder and Holger Wendland


Recently ([21]), a new meshfree approximation method for Darcy’s problem has been introduced and analyzed. This method is based on a symmetric collocation approach using radial basis functions producing solutions with an analytically divergence-free velocity part. However, the error analysis provided in [21] works only for smooth solutions, where the smoothness is intrinsically linked to the smoothness of the employed basis function. In this paper, we will extend the error analysis to less smooth functions, showing that the approximation order for rougher solutions is determined rather by the smoothness of the solution than the smoothness of the basis function

Topics: Numerical analysis
Year: 2010
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