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Comparison of KI calculation methods

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Comparison of KI calculation methods

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dc.contributor.author Qian, Guian es_ES
dc.contributor.author González Albuixech, Vicente Francisco es_ES
dc.contributor.author Niffenegger, M. es_ES
dc.contributor.author Giner Maravilla, Eugenio es_ES
dc.date.accessioned 2017-05-24T08:16:18Z
dc.date.available 2017-05-24T08:16:18Z
dc.date.issued 2016-05
dc.identifier.issn 0013-7944
dc.identifier.uri http://hdl.handle.net/10251/81705
dc.description.abstract This paper compares different numerical methods for mode I stress intensity factor (SIF) calculations. Both 2D and 3D models are used to calculate KI for the compact tension specimens. J-integral and interaction integral provide relatively accurate results. The analysis of a reactor pressure vessel subjected to pressurized thermal shock is performed using the finite element method (FEM) and extended finite element method (XFEM). XFEM method shows advantages in modeling cracks but oscillations in 3D problems due to extraction domains for J and interaction integrals. The best results are obtained with domain integrals using a FEM with a refined mesh. es_ES
dc.description.sponsorship The authors are grateful for the financial support of the PISA Project provided by the Swiss Federal Nuclear Safety Inspectorate (ENSI) (DIS-Vertrag Nr. H-100668). Guian Qian is also grateful for the visiting invitation provided by Key Laboratory of Pressurized Systems and Safety (East China University of Science and Technology), Ministry of Education, China. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Engineering Fracture Mechanics es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Stress intensity factor es_ES
dc.subject Fracture mechanics es_ES
dc.subject Interaction integral es_ES
dc.subject Extended finite element method es_ES
dc.subject.classification INGENIERIA MECANICA es_ES
dc.title Comparison of KI calculation methods es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.engfracmech.2016.02.014
dc.relation.projectID info:eu-repo/grantAgreement/ENSI//H-100668/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería del Diseño - Escola Tècnica Superior d'Enginyeria del Disseny es_ES
dc.description.bibliographicCitation Qian, G.; González Albuixech, VF.; Niffenegger, M.; Giner Maravilla, E. (2016). Comparison of KI calculation methods. Engineering Fracture Mechanics. 156:52-67. https://doi.org/10.1016/j.engfracmech.2016.02.014 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.engfracmech.2016.02.014 es_ES
dc.description.upvformatpinicio 52 es_ES
dc.description.upvformatpfin 67 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 156 es_ES
dc.relation.senia 308360 es_ES
dc.contributor.funder Eidgenössisches Nuklearsicherheitsinspektorat es_ES


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