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Iterative Optimization of Auxiliary Coils for Stellarators

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dc.contributor.authorMcMillan, B.
dc.contributor.authorBlackwell, Boyd
dc.contributor.authorHarris, Jeffrey
dc.date.accessioned2015-12-13T22:18:09Z
dc.date.issued2002
dc.date.updated2015-12-11T07:41:54Z
dc.description.abstractA direct method is described for finding optimal coils, and 'flexibility' coils are presented which have been determined by this method. The method proceeds straight to a coil design from the required vacuum magnetic configuration parameters for the desired plasma, rather than producing an intermediate 'surface current' description. This allows engineering requirements to be faithfully reproduced. The method has been applied by implementing a perturbative vacuum rotational transform evaluator as an optimality criterion. The speed of this evaluation step allows a thorough exploration of the set of possible coil trajectories and permits a high degree of confidence in the optimality of the best candidate. It is shown that the flexible heliac winding is very near optimal for rotational transform generation.
dc.identifier.issn0029-5515
dc.identifier.urihttp://hdl.handle.net/1885/71510
dc.publisherIOP Publishing
dc.sourceNuclear Fusion
dc.subjectKeywords: Algorithms; Annealing; Approximation theory; Auxiliary equipment; Computer simulation; Iterative methods; Magnetic fields; Optimization; Perturbation techniques; Auxiliary coils; Stellarators; Plasma confinement
dc.titleIterative Optimization of Auxiliary Coils for Stellarators
dc.typeJournal article
local.bibliographicCitation.issueApril
local.bibliographicCitation.lastpage387
local.bibliographicCitation.startpage383
local.contributor.affiliationMcMillan, B., College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationBlackwell, Boyd, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationHarris, Jeffrey, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidMcMillan, B., u4023228
local.contributor.authoruidBlackwell, Boyd, u8508956
local.contributor.authoruidHarris, Jeffrey, u9702287
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor020204 - Plasma Physics; Fusion Plasmas; Electrical Discharges
local.identifier.ariespublicationMigratedxPub2749
local.identifier.citationvolume42
local.identifier.doi10.1088/0029-5515/42/4/302
local.identifier.scopusID2-s2.0-0036531413
local.type.statusPublished Version

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