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Article: A new generation of convection-driven spherical dynamos using EBE finite element method

TitleA new generation of convection-driven spherical dynamos using EBE finite element method
Authors
KeywordsConvection
Finite element method
Planetary dynamo
Issue Date2007
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/pepi
Citation
Physics Of The Earth And Planetary Interiors, 2007, v. 163 n. 1-4, p. 251-265 How to Cite?
AbstractIntrinsic planetary magnetic fields are believed to be generated by convection-driven magnetohydrodynamic processes taking place in their fluid cores that are rotating and have spherical geometry. We present a new generation of multi-layered spherical dynamo models driven by thermal convection and based on an EBE (element-by-element) finite element method taking the full advantage of modern massively parallel computers. It is demonstrated that the fully nonlinear spherical dynamo can be effectively parallelized with nearly linear scalability. The results of the new EBE finite element dynamo are then compared with the well-known benchmark dynamo based on spectral methods, showing a satisfactory agreement between two fundamentally different models. © 2007 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75219
ISSN
2015 Impact Factor: 2.605
2015 SCImago Journal Rankings: 2.140
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, KHen_HK
dc.contributor.authorZhang, Ken_HK
dc.contributor.authorLi, Len_HK
dc.contributor.authorLiao, Xen_HK
dc.date.accessioned2010-09-06T07:09:04Z-
dc.date.available2010-09-06T07:09:04Z-
dc.date.issued2007en_HK
dc.identifier.citationPhysics Of The Earth And Planetary Interiors, 2007, v. 163 n. 1-4, p. 251-265en_HK
dc.identifier.issn0031-9201en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75219-
dc.description.abstractIntrinsic planetary magnetic fields are believed to be generated by convection-driven magnetohydrodynamic processes taking place in their fluid cores that are rotating and have spherical geometry. We present a new generation of multi-layered spherical dynamo models driven by thermal convection and based on an EBE (element-by-element) finite element method taking the full advantage of modern massively parallel computers. It is demonstrated that the fully nonlinear spherical dynamo can be effectively parallelized with nearly linear scalability. The results of the new EBE finite element dynamo are then compared with the well-known benchmark dynamo based on spectral methods, showing a satisfactory agreement between two fundamentally different models. © 2007 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/pepien_HK
dc.relation.ispartofPhysics of the Earth and Planetary Interiorsen_HK
dc.subjectConvectionen_HK
dc.subjectFinite element methoden_HK
dc.subjectPlanetary dynamoen_HK
dc.titleA new generation of convection-driven spherical dynamos using EBE finite element methoden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1474-7065&volume=163&spage=251&epage=265&date=2007&atitle=A+new+generation+of+convection-driven+spherical+dynamos+using+EBE+finite+element+method.en_HK
dc.identifier.emailChan, KH:mkhchan@hku.hken_HK
dc.identifier.authorityChan, KH=rp00664en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.pepi.2007.04.017en_HK
dc.identifier.scopuseid_2-s2.0-34547873886en_HK
dc.identifier.hkuros142515en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34547873886&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume163en_HK
dc.identifier.issue1-4en_HK
dc.identifier.spage251en_HK
dc.identifier.epage265en_HK
dc.identifier.eissn1872-7395-
dc.identifier.isiWOS:000249483200017-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridChan, KH=7406033542en_HK
dc.identifier.scopusauthoridZhang, K=7404451892en_HK
dc.identifier.scopusauthoridLi, L=16304446000en_HK
dc.identifier.scopusauthoridLiao, X=7202134147en_HK
dc.identifier.citeulike2745865-

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