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Improving the efficiency of preconditioning for iterative methods

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dc.contributor.author Papadrakakis, M en
dc.contributor.author Dracopoulos, MC en
dc.date.accessioned 2014-03-01T01:08:24Z
dc.date.available 2014-03-01T01:08:24Z
dc.date.issued 1991 en
dc.identifier.issn 0045-7949 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/10461
dc.subject Iteration Method en
dc.subject.classification Computer Science, Interdisciplinary Applications en
dc.subject.classification Engineering, Civil en
dc.subject.other Computer Hardware en
dc.subject.other Mathematical Techniques--Finite Element Method en
dc.subject.other Structural Analysis en
dc.subject.other Choleski Factorization en
dc.subject.other Element-By-Element Concepts en
dc.subject.other Global Preconditioners en
dc.subject.other Large Structural Problems en
dc.subject.other Preconditioning en
dc.subject.other Storage Requirements en
dc.subject.other Mathematical Techniques en
dc.title Improving the efficiency of preconditioning for iterative methods en
heal.type journalArticle en
heal.identifier.primary 10.1016/0045-7949(91)90263-L en
heal.identifier.secondary http://dx.doi.org/10.1016/0045-7949(91)90263-L en
heal.language English en
heal.publicationDate 1991 en
heal.abstract Techniques based on the idea of preconditioning and on the element-by-element concept have significantly improved the efficiency of classical iterative methods in conventional as well as in parallel hardware environment. In this work two preconditioning approaches based on the incomplete Choleski factorization have been further refined, with the result that both storage requirements and solution times have been greatly improved when processing large structural problems. The partial preconditioning method is also employed to develop a framework for constructing a global preconditioner, without the need to store the complete coefficient matrix, for accelerating an iterative element-by-element solution procedure. © 1991. en
heal.publisher PERGAMON-ELSEVIER SCIENCE LTD en
heal.journalName Computers and Structures en
dc.identifier.doi 10.1016/0045-7949(91)90263-L en
dc.identifier.isi ISI:A1991GY61700016 en
dc.identifier.volume 41 en
dc.identifier.issue 6 en
dc.identifier.spage 1263 en
dc.identifier.epage 1272 en


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