SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis



SCHEDULE: NOV 12-18, 2011

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Performance Analysis of a Parallel Linear Octree Finite Element Mesh Generation Scheme

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Jose Camata, Renato Elias, Alvaro Coutinho

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
We show a performance analysis of a parallel octree-based mesh generation scheme designed to create reasonable-quality, geometry-adapted unstructured hexahedral meshes automatically from triangulated surface models. We present algorithms for the construction, 2:1balancing and meshing large linear octrees on supercomputers. Our scheme uses ef´Čücient computer graphics algorithms for surface detection,allowing us to represent complex geometries. An isogranular analysis demonstrates good scalability. Our implementation is able to execute the 2:1balancing operations over 3.4 billion octants in less than 10 seconds per 1.6 million octants per CPU core.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Jose Camata - COPPE/Federal University of Rio de Janeiro

Renato Elias - DTL/IM/Federal Rural University of Rio de Janeiro

Alvaro Coutinho - COPPE/Federal University of Rio de Janeiro

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