Numerical solution of hypersingular equation using recursive wavelet on invariant set

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摘要

In this paper, we construct the Chebyshev recursive wavelets on a unit interval of the first kind, the second kind and their corresponding weight functions. We apply wavelet collocation method to solve the natural boundary integral equation of the harmonic equation on the lower half-plane numerically. It is convenient and accurate to generate the stiffness matrix. Two numerical examples are presented. It is shown that the stiffness matrix is highly sparse when the order of the stiffness matrix becomes large. Current method allows choosing an appropriate weight function to increase the convergence rate and accuracy of the numerical results.

论文关键词:Natural boundary integral equation,Collocation method,Hypersingular integral,Recursive,Chebyshev wavelet

论文评审过程:Available online 18 June 2010.

论文官网地址:https://doi.org/10.1016/j.amc.2010.06.029