Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/151862
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dc.contributor.authorFan, Huien_US
dc.contributor.authorLong, Jianminen_US
dc.date.accessioned2021-07-26T01:43:18Z-
dc.date.available2021-07-26T01:43:18Z-
dc.date.issued2020-
dc.identifier.citationFan, H. & Long, J. (2020). In-plane surface wave in a classical elastic half-space covered by a surface layer with microstructure. Acta Mechanica, 231(11), 4463-4477. https://dx.doi.org/10.1007/s00707-020-02769-6en_US
dc.identifier.issn0001-5970en_US
dc.identifier.other0000-0002-3669-5188-
dc.identifier.urihttps://hdl.handle.net/10356/151862-
dc.description.abstractSurface layers with microstructures are widely used in many engineering fields. The mechanical behavior of microstructures in solids can be described by gradient elasticity theories. [One of them is the couple stress theory (Mindlin and Tiersten in Arch. Ration. Mech. Anal. 11:415–448, 1962).] In the present paper, we study the in-plane surface wave propagating in a classical elastic half-space covered by a surface layer described by the couple stress theory. We firstly develop the full solution for the above configuration. Since our primary objective is to introduce the couple stress theory (or strain-gradient elasticity theory) into the surface elasticity model (Gurtin and Murdoch in Arch. Ration. Mech. Anal. 57:291–323, 1975), we are particularly interested in the case that the surface layer is very thin. Therefore, as our second step, by employing the Kirchhoff thin plate model, we establish the surface elasticity model considering couple stresses and derive the isotropic surface elasticity solution of the present problem. Thirdly, by employing the second-order strain-gradient model (Aifantis in Int. J. Eng. Sci. 30:1279–1299, 1992), we derive the dispersion equation of the surface wave for the case that the microstructure length scale is larger than the layer thickness. The last two solutions are compared with the full solution numerically for the lowest mode of the surface wave. It should be pointed out that the present study involves multi-field knowledge of surface waves, couple stress theory, and surface elasticity theory.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.language.isoenen_US
dc.relationRG185/18en_US
dc.relation.ispartofActa Mechanicaen_US
dc.rights© 2020 Springer-Verlag GmbH Austria, part of Springer Nature. All rights reserved.en_US
dc.subjectEngineering::Aeronautical engineeringen_US
dc.titleIn-plane surface wave in a classical elastic half-space covered by a surface layer with microstructureen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.identifier.doi10.1007/s00707-020-02769-6-
dc.identifier.scopus2-s2.0-85089106149-
dc.identifier.issue11en_US
dc.identifier.volume231en_US
dc.identifier.spage4463en_US
dc.identifier.epage4477en_US
dc.subject.keywordsEnhanced Continuum Propertiesen_US
dc.subject.keywordsGradient Elasticityen_US
dc.description.acknowledgementThe authors would like to thank the financial support from Singapore Ministry of Education Academic Research Fund Tier 1 (RG185/18). Jianmin Long also acknowledges the supports from the National Natural Science Foundation of China (11702081) and the Open Project of State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Jiaotong University (SV2017-KF-19).en_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
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