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 efficient 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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