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Article: Boundary element formulation of axisymmetric problems in vertically non-homogeneous solids subject to normal traction
Title | Boundary element formulation of axisymmetric problems in vertically non-homogeneous solids subject to normal traction |
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Authors | |
Keywords | BEM Axisymmetric problems Layered solids Vertically non-homogeneous solids Infinite elements |
Issue Date | 2020 |
Publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/enganabound |
Citation | Engineering Analysis with Boundary Elements, 2020, v. 114, p. 178-195 How to Cite? |
Abstract | This paper presents an efficient and accurate boundary element method (BEM) for the elastic analysis of axisymmetric problems in vertically non-homogeneous solids without or with cavity. This BEM uses the fundamental solution of the elastic field in a multilayered elastic solid induced by the body force uniformly concentrated at a circular ring. This solution is also called Yue's solution. The effective integration methods are used for dealing with the integrals in the discretized boundary integral equations. The discretization of the boundary surface uses one-dimensional boundary elements. It also adopts the infinite boundary element to take into account the influence of a far-field region on the boundary surface. Numerical verifications of displacements and stresses for three benchmark problems are conducted, which gives the excellent agreement with previously published results. Case studies are presented to numerically illustrate the influences of both vertically non-homogeneous elastic material properties and spherical cavity on the elastic fields induced by uniform tractions on the boundary surface. These numerical results show that this new BEM is a fast and simple numerical algorithm for accurately computing the axisymmetric elastic fields in vertically non-homogeneous solids with or without cavity induced by normal tractions. |
Persistent Identifier | http://hdl.handle.net/10722/287102 |
ISSN | 2023 Impact Factor: 4.2 2023 SCImago Journal Rankings: 0.729 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | XIAO, S | - |
dc.contributor.author | Yue, ZQ | - |
dc.date.accessioned | 2020-09-22T02:55:45Z | - |
dc.date.available | 2020-09-22T02:55:45Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Engineering Analysis with Boundary Elements, 2020, v. 114, p. 178-195 | - |
dc.identifier.issn | 0955-7997 | - |
dc.identifier.uri | http://hdl.handle.net/10722/287102 | - |
dc.description.abstract | This paper presents an efficient and accurate boundary element method (BEM) for the elastic analysis of axisymmetric problems in vertically non-homogeneous solids without or with cavity. This BEM uses the fundamental solution of the elastic field in a multilayered elastic solid induced by the body force uniformly concentrated at a circular ring. This solution is also called Yue's solution. The effective integration methods are used for dealing with the integrals in the discretized boundary integral equations. The discretization of the boundary surface uses one-dimensional boundary elements. It also adopts the infinite boundary element to take into account the influence of a far-field region on the boundary surface. Numerical verifications of displacements and stresses for three benchmark problems are conducted, which gives the excellent agreement with previously published results. Case studies are presented to numerically illustrate the influences of both vertically non-homogeneous elastic material properties and spherical cavity on the elastic fields induced by uniform tractions on the boundary surface. These numerical results show that this new BEM is a fast and simple numerical algorithm for accurately computing the axisymmetric elastic fields in vertically non-homogeneous solids with or without cavity induced by normal tractions. | - |
dc.language | eng | - |
dc.publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/enganabound | - |
dc.relation.ispartof | Engineering Analysis with Boundary Elements | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License | - |
dc.subject | BEM | - |
dc.subject | Axisymmetric problems | - |
dc.subject | Layered solids | - |
dc.subject | Vertically non-homogeneous solids | - |
dc.subject | Infinite elements | - |
dc.title | Boundary element formulation of axisymmetric problems in vertically non-homogeneous solids subject to normal traction | - |
dc.type | Article | - |
dc.identifier.email | Yue, ZQ: yueqzq@hku.hk | - |
dc.identifier.authority | Yue, ZQ=rp00209 | - |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1016/j.enganabound.2020.03.005 | - |
dc.identifier.scopus | eid_2-s2.0-85081702301 | - |
dc.identifier.hkuros | 314175 | - |
dc.identifier.volume | 114 | - |
dc.identifier.spage | 178 | - |
dc.identifier.epage | 195 | - |
dc.identifier.isi | WOS:000525318300013 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 0955-7997 | - |