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Article: Dynamic cross-interaction between flexible surface footings by combined BEM and FEM

TitleDynamic cross-interaction between flexible surface footings by combined BEM and FEM
Authors
KeywordsBoundary and finite element methods
Dynamic soil-structure interaction
Surface footing
Issue Date1996
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/1922
Citation
Earthquake Engineering And Structural Dynamics, 1996, v. 25 n. 5, p. 509-526 How to Cite?
AbstractA combined boundary and finite element method is developed and applied to study the dynamic behaviour of a system of flexible surface footings of arbitrary shape bearing on an elastic half-space. The proposed method employs the frequency domain Green's function for the surface of the elastic half-space while a layered plate model is used for the flexible footing. Both the footing and the surface of the half-space are discretized by 8-noded quadratical isoparametric elements, and the meshes are identical. Thus, the compatibility of displacements and equilibrium of forces between the footing and the half-space are fully satisfied. This model provides a better approximation of the stress concentration at edges of relatively rigid footings. Numerical examples demonstrating the effects due to the excitation frequency, the relative rigidity and the distance between footings on the interaction between two square footings are presented. The external forces can be either harmonic or transient. © 1996 by John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/71635
ISSN
2015 Impact Factor: 2.127
2015 SCImago Journal Rankings: 2.921
References

 

DC FieldValueLanguage
dc.contributor.authorQian, Jen_HK
dc.contributor.authorTham, LGen_HK
dc.contributor.authorCheung, YKen_HK
dc.date.accessioned2010-09-06T06:33:47Z-
dc.date.available2010-09-06T06:33:47Z-
dc.date.issued1996en_HK
dc.identifier.citationEarthquake Engineering And Structural Dynamics, 1996, v. 25 n. 5, p. 509-526en_HK
dc.identifier.issn0098-8847en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71635-
dc.description.abstractA combined boundary and finite element method is developed and applied to study the dynamic behaviour of a system of flexible surface footings of arbitrary shape bearing on an elastic half-space. The proposed method employs the frequency domain Green's function for the surface of the elastic half-space while a layered plate model is used for the flexible footing. Both the footing and the surface of the half-space are discretized by 8-noded quadratical isoparametric elements, and the meshes are identical. Thus, the compatibility of displacements and equilibrium of forces between the footing and the half-space are fully satisfied. This model provides a better approximation of the stress concentration at edges of relatively rigid footings. Numerical examples demonstrating the effects due to the excitation frequency, the relative rigidity and the distance between footings on the interaction between two square footings are presented. The external forces can be either harmonic or transient. © 1996 by John Wiley & Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/1922en_HK
dc.relation.ispartofEarthquake Engineering and Structural Dynamicsen_HK
dc.rightsEarthquake Engineering and Structural Dynamics. Copyright © John Wiley & Sons Ltd.en_HK
dc.subjectBoundary and finite element methodsen_HK
dc.subjectDynamic soil-structure interactionen_HK
dc.subjectSurface footingen_HK
dc.titleDynamic cross-interaction between flexible surface footings by combined BEM and FEMen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0098-8847&volume=25&issue=5&spage=509&epage=526&date=1996&atitle=Dynamic+cross-interaction+between+flexible+surface+footings+by+combined+BEM+and+FEMen_HK
dc.identifier.emailTham, LG:hrectlg@hkucc.hku.hken_HK
dc.identifier.emailCheung, YK:hreccyk@hkucc.hku.hken_HK
dc.identifier.authorityTham, LG=rp00176en_HK
dc.identifier.authorityCheung, YK=rp00104en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0030135778en_HK
dc.identifier.hkuros11756en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030135778&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue5en_HK
dc.identifier.spage509en_HK
dc.identifier.epage526en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridQian, J=7402196209en_HK
dc.identifier.scopusauthoridTham, LG=7006213628en_HK
dc.identifier.scopusauthoridCheung, YK=7202111065en_HK

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