Hypersingular BEM for transient elastodynamic (Record no. 44806)

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control field MX-MdCICY
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control field 20250625140634.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-10574
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fixed length control field 250602s9999 xx |||||s2 |||| ||und|d
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Title Hypersingular BEM for transient elastodynamic
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Volume/sequential designation International Journal for Numerical Methods in Engineering, 39, p.1681-1705, 1996
520 3# - SUMMARY, ETC.
Summary, etc. The topic of hypersingular boundary integral equations is a rapidly developing one due to the advantages which this kind of formulation offers compared to the standard boundary integral one. In this paper the hypersingular formulation is developed for time-domain antiplane elastodynamic problems. Firstly, the gradient representation is found from the displacement one, removing the strong singularities (Dirac's delta functions)which arise due to the differentiation process. The gradient representation is carried to the boundary through a limiting process and the resulting equation is shown to be consistent with the static formulation. Next, the numerical treatment of the traction boundary integral equation and its application to crack problems are presented. For the boundary discretization, conforming quadratic elements are tested, which are introduced in this paper for the first time, and it is shown that the results are very good in spite of the lesser number of unknowns of this approach in comparison to the non-conforming element alternative. A procedure is devised to numerically perform the hypersingular integrals that is both accurate and versatile. Several crack problems are solved to show the possibilities of the method. To this end both straight and curved elements are employed as well as regular and distorted quarter point elements.
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Topical term or geographic name entry element HYPERSINGULAR BOUNDARY INTEGRAL EQUATIONS
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Topical term or geographic name entry element BOUNDARY ELEMENT METHOD
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FRACTURE MECHANICS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element DYNAMIC STRESS INTENSITY FACTOR
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element WAVE PROPAGATION
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Gallego, R.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Dominguez, J.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1etn7s5x7ugAQ5BbzTyxT9OHu2GyrGPoK/view?usp=drivesdk">https://drive.google.com/file/d/1etn7s5x7ugAQ5BbzTyxT9OHu2GyrGPoK/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-10574 25.06.2025 25.06.2025 Documentos solicitados