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Sheet Thickness Optimization for SuperPlastic Forming of Engineering Structures

Huang, A; Cardew-Hall, Michael; Lowe, Adrian

Description

This paper explores two optimization strategies; the gradient search and proportional control methods, for determining the initial sheet thickness of superplastic forming to ensure final desired part thickness. A hemispherical dome model was involved in the testing of both optimization methods. Also, a three-dimensional rectangular box model was optimized by the proportional control method. The gradient search technique is shown to be acceptable in terms of the optimized thickness obtained, but...[Show more]

dc.contributor.authorHuang, A
dc.contributor.authorCardew-Hall, Michael
dc.contributor.authorLowe, Adrian
dc.date.accessioned2015-12-13T23:14:50Z
dc.date.available2015-12-13T23:14:50Z
dc.identifier.issn1087-1357
dc.identifier.urihttp://hdl.handle.net/1885/88805
dc.description.abstractThis paper explores two optimization strategies; the gradient search and proportional control methods, for determining the initial sheet thickness of superplastic forming to ensure final desired part thickness. A hemispherical dome model was involved in the testing of both optimization methods. Also, a three-dimensional rectangular box model was optimized by the proportional control method. The gradient search technique is shown to be acceptable in terms of the optimized thickness obtained, but displays poor convergence rates. The proportional control approach presented is easy to be implemented, and yields not only more accurate sheet thickness, but much higher convergence speeds that makes such optimization possible on complex geometric models.
dc.publisherAmerican Society of Mechanical Engineers
dc.sourceJournal of Manufacturing Science and Engineering
dc.titleSheet Thickness Optimization for SuperPlastic Forming of Engineering Structures
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume122
dc.date.issued2000
local.identifier.absfor091002 - Flexible Manufacturing Systems
local.identifier.ariespublicationMigratedxPub18647
local.type.statusPublished Version
local.contributor.affiliationHuang, A, College of Engineering and Computer Science, ANU
local.contributor.affiliationCardew-Hall, Michael, College of Engineering and Computer Science, ANU
local.contributor.affiliationLowe, Adrian, College of Engineering and Computer Science, ANU
local.bibliographicCitation.issue1
local.bibliographicCitation.startpage117
local.bibliographicCitation.lastpage123
dc.date.updated2015-12-12T08:40:33Z
local.identifier.scopusID2-s2.0-13544252006
CollectionsANU Research Publications

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