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Tree codes for vortex dynamics: Application of a programming framework

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English
Genre (authority = RULIB-FS)
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technical report
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application/pdf
Extent
11 p.
Note (type = special display note)
Technical report hpcd-tr-26
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School of Arts and Sciences (SAS) (New Brunswick)
Name (type = corporate); (authority = RutgersOrg-Department)
NamePart
Computer Science (New Brunswick)
TypeOfResource
Text
TitleInfo
Title
Tree codes for vortex dynamics: Application of a programming framework
Abstract (type = abstract)
This paper describes the implementation of a fast N-body algorithm for the study of multi-lament vortex simulations. The simulations involve distributions that are irregular and time-varying. We adapt our programming framework which was earlier used to develop high-performance implementations of the Barnes-Hut and Greengard-Rokhlin algorithms for gravitational elds. We describe how the additional subtleties involved in vortex lament simulations are accommodated eciently within the framework. We describe the ongoing experimental studies and report preliminary results with simulations of one million particles on the 128-node Connection Machine CM-5. The implementation sustains a rate of almost 30% of the peak machine rate. These simulations are more than an order of magnitude larger in size than previously studied using direct methods. We expect that the use of the fast algorithm will allow us to study the generation of small scales in the vortex collapse and reconnection problem with adequate resolution.
Name (type = personal)
NamePart (type = family)
Bhatt
NamePart (type = given)
Sandeep
Affiliation
Bell Communications Research, Morristown NJ
Role
RoleTerm (type = text); (authority = marcrt)
author
Name (type = personal)
NamePart (type = family)
Liu
NamePart (type = given)
Pangfeng
Affiliation
Computer Science (New Brunswick)
Role
RoleTerm (type = text); (authority = marcrt)
author
Name (type = personal)
NamePart (type = family)
Fernandez
NamePart (type = given)
Victor
Affiliation
Mechanical and Aerospace Engineering, Rutgers University, Piscataway
Role
RoleTerm (type = text); (authority = marcrt)
author
Name (type = personal)
NamePart (type = family)
Zabusky
NamePart (type = given)
Norman
Affiliation
Mechanical and Aerospace Engineering, Rutgers University, Piscataway
Role
RoleTerm (type = text); (authority = marcrt)
author
OriginInfo
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1995-03
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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/T3C82DRV
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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).
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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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2018-06-06T12:36:00
DateCreated (point = start); (encoding = w3cdtf); (qualifier = exact)
2018-06-06T12:36:00
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