Numerical evaluation of various levels of singular integrals, arising in BEM and its application in hydrofoil analysis (Record no. 45528)

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control field MX-MdCICY
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control field 20250625140648.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-11304
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Title Numerical evaluation of various levels of singular integrals, arising in BEM and its application in hydrofoil analysis
490 0# - SERIES STATEMENT
Volume/sequential designation Applied Mathematics and Computation, 213, p.277-289, 2009
520 3# - SUMMARY, ETC.
Summary, etc. The sound implementation of the boundary element method (BEM)is highly dependent on an accurate numerical integration of singular integrals. In this paper, a set of various types of singular domain integrals with three-dimensional boundary element discretization is evaluated based on a transformation integration technique. In the BEM, the integration domain (body surface)needs to be discretized into small elements. For each element, the integral I(xp,x)is calculated on the domain dS. Several types of integrals IBa and ICa are numerically and analytically computed and compared with the relative error. The method is extended to evaluate singular integrals which arise in the solution of the three-dimensional Laplace's equation. An example of the elliptic hydrofoil is performed to study the physical accuracy. The results obtained using both numerical and analytical methods are shown in good agreement with the experimental data.
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Topical term or geographic name entry element BOUNDARY ELEMENT
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Topical term or geographic name entry element SINGULAR INTEGRALS
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Topical term or geographic name entry element GAUSSIAN QUADRATURE
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Topical term or geographic name entry element TRANSFORMATION METHOD
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Topical term or geographic name entry element FOIL MODEL
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Topical term or geographic name entry element POTENTIAL AND PRESSURE DISTRIBUTION
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Topical term or geographic name entry element INDUCED VELOCITY FIELD
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Ghassemi, H.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Reza Kohansal, A.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/187Z9BRbLQu9nx_rLsrMnJDz0zO0wyWxn/view?usp=drivesdk">https://drive.google.com/file/d/187Z9BRbLQu9nx_rLsrMnJDz0zO0wyWxn/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-11304 25.06.2025 25.06.2025 Documentos solicitados