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Article: Analysis of electromechanical stress singularity in piezoelectrics by computed eigensolutions and hybrid-trefftz finite element Models

TitleAnalysis of electromechanical stress singularity in piezoelectrics by computed eigensolutions and hybrid-trefftz finite element Models
Authors
KeywordsCrack
Eigensolution
Finite element method
Hybrid-Trefftz
Piezoelectrics
Issue Date2006
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00466/index.htm
Citation
Computational Mechanics, 2006, v. 38 n. 6, p. 551-564 How to Cite?
AbstractThis paper concerns the determination of singular electromechanical stress field in piezoelectrics. A one-dimensional finite element procedure is generalized to compute the eigensolutions of the singular electromechanical field. The generalized procedure is capable of taking differently poled piezoelectrics, cracks and ultra-thin electrodes into account. To determine the strength of the singular electromechanical stress field, the hybrid-Trefftz finite element method is adopted. The independently assumed electromechanical stress modes are extracted from the eigensolutions previously computed from the one-dimensional procedure. Since the eigensolutions satisfy all the balance conditions, the hybrid-Trefftz models can be constructed by boundary integration. This feature enables the models to be interfaced compatibly with conventional finite element models. To illustrate the efficacy of the present approach, the eigensolutions and/or parameters directly related to the electromechanical stress intensity in crack, interfacial crack and bimorph with embedded electrode are considered. The predictions are in good agreement with the reference solutions reported in the literature or computed by using over 10,000 conventional finite elements.
Persistent Identifierhttp://hdl.handle.net/10722/75777
ISSN
2015 Impact Factor: 2.639
2015 SCImago Journal Rankings: 2.126
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, HTen_HK
dc.contributor.authorSze, KYen_HK
dc.contributor.authorYang, XMen_HK
dc.date.accessioned2010-09-06T07:14:27Z-
dc.date.available2010-09-06T07:14:27Z-
dc.date.issued2006en_HK
dc.identifier.citationComputational Mechanics, 2006, v. 38 n. 6, p. 551-564en_HK
dc.identifier.issn0178-7675en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75777-
dc.description.abstractThis paper concerns the determination of singular electromechanical stress field in piezoelectrics. A one-dimensional finite element procedure is generalized to compute the eigensolutions of the singular electromechanical field. The generalized procedure is capable of taking differently poled piezoelectrics, cracks and ultra-thin electrodes into account. To determine the strength of the singular electromechanical stress field, the hybrid-Trefftz finite element method is adopted. The independently assumed electromechanical stress modes are extracted from the eigensolutions previously computed from the one-dimensional procedure. Since the eigensolutions satisfy all the balance conditions, the hybrid-Trefftz models can be constructed by boundary integration. This feature enables the models to be interfaced compatibly with conventional finite element models. To illustrate the efficacy of the present approach, the eigensolutions and/or parameters directly related to the electromechanical stress intensity in crack, interfacial crack and bimorph with embedded electrode are considered. The predictions are in good agreement with the reference solutions reported in the literature or computed by using over 10,000 conventional finite elements.en_HK
dc.languageengen_HK
dc.publisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00466/index.htmen_HK
dc.relation.ispartofComputational Mechanicsen_HK
dc.subjectCracken_HK
dc.subjectEigensolutionen_HK
dc.subjectFinite element methoden_HK
dc.subjectHybrid-Trefftzen_HK
dc.subjectPiezoelectricsen_HK
dc.titleAnalysis of electromechanical stress singularity in piezoelectrics by computed eigensolutions and hybrid-trefftz finite element Modelsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0178-7675&volume=38&spage=551&epage=564&date=2006&atitle=Analysis+of+electromechanical+stress+singularity+in+piezoelectrics+by+computed+eigensolutions+and+hybrid-Trefftz+finite+element+modelsen_HK
dc.identifier.emailSze, KY:szeky@graduate.hku.hken_HK
dc.identifier.authoritySze, KY=rp00171en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s00466-005-0026-5en_HK
dc.identifier.scopuseid_2-s2.0-33748089365en_HK
dc.identifier.hkuros129919en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748089365&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume38en_HK
dc.identifier.issue6en_HK
dc.identifier.spage551en_HK
dc.identifier.epage564en_HK
dc.identifier.isiWOS:000240121400005-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridWang, HT=7501734920en_HK
dc.identifier.scopusauthoridSze, KY=7006735060en_HK
dc.identifier.scopusauthoridYang, XM=14012847400en_HK

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