Summary.
A modified classical penalty method for solving a Dirichlet boundary value problem is presented. This new fictitious domain penalty method eliminates the traditional need of generating a complex computation grid in the case of irregular domains. It is based on the fact that one can expand the boundary measure under the chosen basis which leads to a fast, approximate calculation of boundary integral. The compact support and orthonormality of the basis are essential for representing the boundary measure numerically, and therefore for implementing this methodology.
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Received June 3, 1992 / Revised version received November 8, 1993
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Wells, Jr., R., Zhou, X. Wavelet solutions for the Dirichlet problem . Numer. Math. 70, 379–396 (1995). https://doi.org/10.1007/s002110050125
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DOI: https://doi.org/10.1007/s002110050125