Radial basis functions for the solution of hypersingular operators on open surfaces

Details Radial basis functions for the solution of hypersingular operators on open surfaces Radial basis functions for the solution of hypersingular operators on open surfaces

2012-03-13

arxiv.org/abs/1203.2912v1

Mathematics

Numerical Analysis

26 pages, 6 figures

Scientific paper

We analyze the approximation by radial basis functions of a hypersingular integral equation on an open surface. In order to accommodate the homogeneous essential boundary condition along the surface boundary, scaled radial basis functions on an extended surface and Lagrangian multipliers on the extension are used. We prove that our method converges quasi-optimally. Approximation results for scaled radial basis functions indicate that, for highly regular radial basis functions, the achieved convergence rates are close to the one of low-order conforming boundary element schemes. Numerical experiments confirm our conclusions.

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