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Intelligent Gradient-Based Search of Incompletely Defined Design Spaces

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Language
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English
Genre (authority = RULIB-FS)
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technical report
PhysicalDescription
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application/pdf
Extent
18 p.
Note (type = special display note)
Technical report hpcd-TR-38
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School of Arts and Sciences (SAS) (New Brunswick)
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Computer Science (New Brunswick)
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Text
TitleInfo
Title
Intelligent Gradient-Based Search of Incompletely Defined Design Spaces
Abstract (type = abstract)
Gradient-based numerical optimization of complex engineering designs offers the promise of rapidly producing better designs. However, such methods generally assume that the ob jective function and constraint functions are continuous, smooth, and de- ned everywhere. Unfortunately, realistic simulators tend to violate these assumptions. We present a knowledge- based technique for intelligently computing gradients in the presence of such pathologies in the simulators, and show how this gradient computation method can be used as part of a gradient-based numerical optimization system. We tested the resulting system in the domain of conceptual design of supersonic transport aircraft, and found that using knowledge-based gradients can decrease the cost of design space search by one or more orders of magnitude.
Name (type = personal)
NamePart (type = family)
Schwabacher
NamePart (type = given)
Mark
Affiliation
Computer Science (New Brunswick)
Role
RoleTerm (authority = marcrt); (type = text)
author
Name (type = personal)
NamePart (type = family)
Gelsey
NamePart (type = given)
Andrew
Affiliation
Computer Science (New Brunswick)
Role
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author
OriginInfo
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1996
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TitleInfo
Title
Computer Science (New Brunswick)
Identifier (type = local)
rucore21032500001
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/T33R0XCQ
Genre (authority = ExL-Esploro)
Technical Documentation
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This Item is protected by copyright and/or related rights.You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.For other uses you need to obtain permission from the rights-holder(s).
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical

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Document
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1.4
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GPL Ghostscript 9.07
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2018-06-06T12:36:08
DateCreated (point = start); (encoding = w3cdtf); (qualifier = exact)
2018-06-06T12:36:08
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