[1078] - ForestClaw: Hybrid forest-of-octrees AMR for hyperbolic conservation laws

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Citation
Burstedde, C., Calhoun, D., Mandli, K., Terrel, A. R., 2014. ForestClaw: Hybrid forest-of-octrees AMR for hyperbolic conservation laws. In: Michael Bader, Arndt Bode, Hans-Joachim Bungartz, Michael Gerndt, Gerhard R. Joubert, Frans Peters (Eds.): Advances in Parallel Computing. Proc. of International Conference on Parallel Computing - ParCo2013, September 10 - 13, 2013, Munich, Germany, 253 - 262. DOI: 10.3233/978-1-61499-381-0-253.
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Identification
Title(s):Main Title: ForestClaw: Hybrid forest-of-octrees AMR for hyperbolic conservation laws
Description(s):Abstract: We present a new hybrid paradigm for parallel adaptive mesh refinement (AMR) that combines the scalability and lightweight architecture of tree-based AMR with the computational efficiency of patch-based solvers for hyperbolic conservation laws. The key idea is to interpret each leaf of the AMR hierarchy as one uniform compute patch in Rd with md degrees of freedom, where m is customarily between 8 and 32. Thus, computation on each patch can be optimized for speed, while we inherit the flexibility of adaptive meshes. In our work we choose to integrate with the p4est AMR library since it allows us to compose the mesh from multiple mapped octrees and enables the cubed sphere and other nontrivial multiblock geometries. We describe aspects of the parallel implementation and close with scalings for both MPI-only and OpenMP/MPI hybrid runs, where the largest MPI run executes on 16,384 CPU cores.
Identifier(s):DOI: 10.3233/978-1-61499-381-0-253
Responsible Party
Creator(s):Author: Carsten Burstedde
Author: Donna Calhoun
Author: Kyle Mandli
Author: Andy R. Terrel
Publisher:IOS Press
Topic
TR32 Topic:Atmosphere
Subject(s):CRC/TR32 Keywords: Adaptive mesh refinement, Parallel Computing, Numerical Methods
File Details
File Name:BursteddeCalhounMandliEtAl13.pdf
Data Type:Text
Size(s):10 Pages
File Size:300 kB (0.293 MB)
Date(s):Date Submitted: 2013-08-07
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
Constraints
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
Geographic
North:-no map data
East:-
South:-
West:-
Measurement Region:None
Measurement Location:--None--
Specific Informations - Publication
Status:Published
Review:PeerReview
Year:2014
Type:Event Paper
Proceedings Title:Advances in Parallel Computing
Proceedings Editor:Michael Bader, Arndt Bode, Hans-Joachim Bungartz, Michael Gerndt, Gerhard R. Joubert, Frans Peters
Page Range:253 - 262
Event Name:International Conference on Parallel Computing - ParCo2013
Event Type:Conference
Event Location:Munich, Germany
Event Period:10th of September, 2013 - 13th of September, 2013
Event Url:http://www.mac.tum.de/parco2013/
Metadata Details
Metadata Creator:Constanze Curdt
Metadata Created:2014-09-18
Metadata Last Updated:2014-09-18
Subproject:D8
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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Page Visits:505
Metadata Downloads:0
Dataset Downloads:2
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