An integral-collocation-based fictitious-domain technique for solving elliptic problems
Article
Article Title | An integral-collocation-based fictitious-domain technique for solving elliptic problems |
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ERA Journal ID | 490 |
Article Category | Article |
Authors | Mai-Duy, Nam (Author), See, Howard (Author) and Tran-Cong, Thanh (Author) |
Journal Title | Communications in Numerical Methods in Engineering |
International Journal for Numerical Methods in Biomedical Engineering | |
Journal Citation | 24 (11), pp. 1291-1314 |
Number of Pages | 24 |
Year | 2008 |
Place of Publication | Bognor Regis, West Sussex. United Kingdom |
ISSN | 2040-7939 |
2040-7947 | |
Digital Object Identifier (DOI) | https://doi.org/10.1002/cnm.1033 |
Web Address (URL) | http://onlinelibrary.wiley.com/doi/10.1002/cnm.1033/pdf |
Abstract | This paper presents a new fictitious-domain technique for numerically solving elliptic second-order partial-differential equations (PDEs) in complex geometries. The proposed technique is based on the use of integral collocation schemes and Chebyshev polynomials. The boundary conditions on the actual boundary are implemented by means of integration constants. The method works for both Dirichlet and Neumann boundary conditions. Several test problems are considered to verify the technique. Numerical results show that the present method yields spectral accuracy for smooth (analytic) problems. |
Keywords | fictitious domains; point collocation techniques; integrated Chebyshev polynomials; elliptic problems |
ANZSRC Field of Research 2020 | 490303. Numerical solution of differential and integral equations |
490302. Numerical analysis | |
401204. Computational methods in fluid flow, heat and mass transfer (incl. computational fluid dynamics) | |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Computational Engineering and Science Research Centre |
University of Sydney |
https://research.usq.edu.au/item/9yyx5/an-integral-collocation-based-fictitious-domain-technique-for-solving-elliptic-problems
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