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Article: Boundary element analysis of elastic fields in non-horizontally layered halfspace whose horizontal boundary subject to tractions

TitleBoundary element analysis of elastic fields in non-horizontally layered halfspace whose horizontal boundary subject to tractions
Authors
KeywordsBEM
Elasticity
Generalized Kelvin solution
Halfspace
Infinite elements
Layered solid
Non-horizontal interface
Issue Date2018
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/enganabound
Citation
Engineering Analysis with Boundary Elements, 2018, v. 95, p. 105-123 How to Cite?
AbstractThis paper presents a boundary element analysis of linear elastic fields in a layered halfspace whose material interface planes are not parallel to its horizontal boundary surface. This boundary element analysis uses the generalized Kelvin solution in a multilayered elastic solid (or the so-called Yue’s solution) for taking into account the non-horizontally layered structures. It also adopts the infinite boundary elements for evaluating the influence of a far-field region. It further adopts both the discontinuous finite and infinite boundary elements to discretize the boundary surface around the strike lines of the inclined material interfaces. It uses Kutt’s numerical quadrature to evaluate the strongly singular integral in the discretized boundary integral equation. Numerical examples are presented to illustrate the effects of the non-horizontally layered materials to the displacements and stresses induced by the tractions on the horizontal boundary surface. Two non-horizontally layered halfspace models are used for numerical analysis and illustrations. Numerical results show that across the material interface, the elastic displacements are non-smoothly continuous to different degrees and some stress components can have very high values at and around the interface planes, which can be important to tensile or shear failure in non-homogeneous materials.
Persistent Identifierhttp://hdl.handle.net/10722/261110
ISSN
2023 Impact Factor: 4.2
2023 SCImago Journal Rankings: 0.729
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXiao, S-
dc.contributor.authorYue, QZQ-
dc.contributor.authorXiao, HT-
dc.date.accessioned2018-09-14T08:52:40Z-
dc.date.available2018-09-14T08:52:40Z-
dc.date.issued2018-
dc.identifier.citationEngineering Analysis with Boundary Elements, 2018, v. 95, p. 105-123-
dc.identifier.issn0955-7997-
dc.identifier.urihttp://hdl.handle.net/10722/261110-
dc.description.abstractThis paper presents a boundary element analysis of linear elastic fields in a layered halfspace whose material interface planes are not parallel to its horizontal boundary surface. This boundary element analysis uses the generalized Kelvin solution in a multilayered elastic solid (or the so-called Yue’s solution) for taking into account the non-horizontally layered structures. It also adopts the infinite boundary elements for evaluating the influence of a far-field region. It further adopts both the discontinuous finite and infinite boundary elements to discretize the boundary surface around the strike lines of the inclined material interfaces. It uses Kutt’s numerical quadrature to evaluate the strongly singular integral in the discretized boundary integral equation. Numerical examples are presented to illustrate the effects of the non-horizontally layered materials to the displacements and stresses induced by the tractions on the horizontal boundary surface. Two non-horizontally layered halfspace models are used for numerical analysis and illustrations. Numerical results show that across the material interface, the elastic displacements are non-smoothly continuous to different degrees and some stress components can have very high values at and around the interface planes, which can be important to tensile or shear failure in non-homogeneous materials.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/enganabound-
dc.relation.ispartofEngineering Analysis with Boundary Elements-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectBEM-
dc.subjectElasticity-
dc.subjectGeneralized Kelvin solution-
dc.subjectHalfspace-
dc.subjectInfinite elements-
dc.subjectLayered solid-
dc.subjectNon-horizontal interface-
dc.titleBoundary element analysis of elastic fields in non-horizontally layered halfspace whose horizontal boundary subject to tractions-
dc.typeArticle-
dc.identifier.emailYue, QZQ: yueqzq@hku.hk-
dc.identifier.authorityYue, QZQ=rp00209-
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.enganabound.2018.06.020-
dc.identifier.scopuseid_2-s2.0-85050961608-
dc.identifier.hkuros291765-
dc.identifier.volume95-
dc.identifier.spage105-
dc.identifier.epage123-
dc.identifier.isiWOS:000445310500010-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0955-7997-

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