AdamsBoneDensity

AdamsBoneDensity - Parallel Mesh Partitioner (Univerisity...

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1 Mark F. Adams H.H. Bayraktar, T.M. Keaveny, P. Papadopoulos and Atul Gupta Ultrascalable Implicit Finite Element Analyses in Solid Mechanics with over a Half a Billion Degrees of Freedom ( excerpts )
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2 Trabecular Bone 5-mm Cube Cortical bone Trabecular bone
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3 Micro-Computed Tomography μ CT @ 22 μ m resolution 3D image Mechanical Testing E, ε yield , σ ult , etc. 2.5 mm cube 44 μ m elements μ FE mesh Methods: μ FE modeling
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4 80 µm w/ shell Vertebral Body With Shell Large deformation elast. 6 load steps (3% strain) Scaled speedup ~131K dof/processor 7 to 537 million dof 4 to 292 nodes IBM SP Power3 14 of 16 procs/node
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5 ParMetis partitions
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6 Athena: Parallel FE ParMetis
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Unformatted text preview: Parallel Mesh Partitioner (Univerisity of Minnesota) Prometheus Multigrid Solver FEAP Serial general purpose FE application (University of California) PETSc Parallel numerical libraries (Argonne National Labs) FE Mesh Input File Athena ParMetis FE input file (in memory) FE input file (in memory) Partition to SMPs Athena Athena ParMetis File File File File FEAP FEAP FEAP FEAP Material Card Silo DB Silo DB Silo DB Silo DB Visit Prometheus PETSc ParMetis METIS METIS METIS METIS pFEAP Computational Architecture Olympus 7 131K dof / proc .47 Teraflops - 4088 processors...
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AdamsBoneDensity - Parallel Mesh Partitioner (Univerisity...

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