Hypersingular quarter-point boundary elements for crack problems (Record no. 45447)

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fixed length control field 01958nam a2200241Ia 4500
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control field MX-MdCICY
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control field 20250625140646.0
040 ## - CATALOGING SOURCE
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-11220
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
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245 10 - TITLE STATEMENT
Title Hypersingular quarter-point boundary elements for crack problems
490 0# - SERIES STATEMENT
Volume/sequential designation International Journal for Numerical Methods in Engineering, 38, p.1681-1701, 1995
520 3# - SUMMARY, ETC.
Summary, etc. The present paper deals with the study and effective implementation for Stress Intensity Factor computation of a mixed boundary element approach based on the standard displacement integral equation and the hypersingular traction integral equation. Expressions for the evaluation of the hypersingular integrals along general curved quadratic line elements are presented. The integration is carried out by transformation of the hypersingular integrals into regular integrals, which are evaluated by standard quadratores, and simple singular integrals, which are integrated analytically. The generality of the method allows for the modelling of curved cracks and the use of straight line quarter-point elements. The Stress Intensity Factors can be computed very accurately from the Crack Opening Displacement at collocation points extremely close to the crack tip. Several examples with different crack geometries are analyzed. The computed results show that the proposed approach for Stress Intensity Factors evaluation is simple, produces very accurate solutions and has little dependence on the size of the elements near the crack tip.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
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
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Topical term or geographic name entry element HYPERSINGULAR
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element STRESS INTENSITY FACTOR
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Saez, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Gallego, R.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Domínguez, J.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1KFv2HGMv-iqGmsjtTRujk5tRjsQddYyW/view?usp=drivesdk">https://drive.google.com/file/d/1KFv2HGMv-iqGmsjtTRujk5tRjsQddYyW/view?usp=drivesdk</a>
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