dc.creator | Baena Oliva, María del Carmen | es |
dc.creator | García Sánchez, Felipe | es |
dc.creator | Sáez Pérez, Andrés | es |
dc.date.accessioned | 2023-11-07T12:01:52Z | |
dc.date.available | 2023-11-07T12:01:52Z | |
dc.date.issued | 2023-12 | |
dc.identifier.citation | Baena, M.C., García-Sánchez, F. y Sáez, A. (2023). Discontinuous quarter-point boundary elements revisited: Computation of T-stress in two-dimensional cracked components. Theoretical and Applied Fracture Mechanics, 128, 104105. https://doi.org/10.1016/j.tafmec.2023.104105. | |
dc.identifier.issn | 0167-8442 | es |
dc.identifier.uri | https://hdl.handle.net/11441/150247 | |
dc.description | Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/) | es |
dc.description.abstract | This paper analyzes the use of discontinuous quarter-point quadratic elements in a dual or hypersingular
boundary element context to compute the T-stress for cracked 2-D isotropic components. The performance of
this approach has been demonstrated in the past for stress intensity factors (SIFs) computation and, herein, it
is revisited to assess its adequacy for T-stress evaluation. To this end, novel direct extrapolation formulas that
determine the T-stress from the computed nodal displacements at the collocation nodes of the discontinuous
quarter-point element are proposed, and their accuracy and effectiveness is satisfactorily tested by several
numerical examples involving 2-D cracked Carbon NanoTube (CNT) reinforced composites. SIFs extrapolated
from the computed nodal crack opening displacements and T-stress evaluated from the computed stresses at
internal points (close to the crack-tip) are also presented for completeness. The proposed techniques are a valid
and easy-to-implement alternative to the interaction integral approaches when determining SIFs and T-stress. | es |
dc.description.sponsorship | Ministerio de Ciencia, Innovación y Universidades RTI2018-094945-B-C21 | es |
dc.description.sponsorship | Fondo Europeo de Desarrollo Regional | es |
dc.description.sponsorship | Consejería de Economía y Conocimiento P18-RT-312 | es |
dc.format | application/pdf | es |
dc.format.extent | 11 p. | es |
dc.language.iso | eng | es |
dc.publisher | Elsevier | es |
dc.relation.ispartof | Theoretical and Applied Fracture Mechanics, 128, 104105. | |
dc.rights | Atribución 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.subject | T-stress | es |
dc.subject | Stress intensity factors | es |
dc.subject | Dual Boundary Element Method (BEM) | es |
dc.subject | Fracture mechanics | es |
dc.subject | Discontinuous quarter-point element | es |
dc.title | Discontinuous quarter-point boundary elements revisited: Computation of T-stress in two-dimensional cracked components | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Tecnología Electrónica | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras | es |
dc.relation.projectID | RTI2018-094945-B-C21 | es |
dc.relation.projectID | P18-RT-312 | es |
dc.relation.publisherversion | https://www.sciencedirect.com/science/article/pii/S0167844223003683? | es |
dc.identifier.doi | 10.1016/j.tafmec.2023.104105 | es |
dc.contributor.group | Universidad de Sevilla. TIC-180: Diseño de Circuitos Integrados Digitales y Mixtos | es |
dc.contributor.group | Universidad de Sevilla. TEP-245: Ingeniería de las Estructuras | es |
dc.journaltitle | Theoretical and Applied Fracture Mechanics | es |
dc.publication.volumen | 128 | es |
dc.publication.initialPage | 104105 | es |
dc.contributor.funder | Ministerio de Ciencia, Innovación y Universidades (MICINN). España | es |
dc.contributor.funder | European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) | es |
dc.contributor.funder | Junta de Andalucía. Consejería de Economía y Conocimiento | es |