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SIERRA -- A Computational Framework for …
1 SIERRA -- A Computational Framework forEngineering mechanics R. Stewart Carter Edwards Sciences CenterSandia National LaboratoriesAlbuquerque, NM2 Outline SIERRA concepts and overview Basic Framework services Advanced Framework services3 DOE / ASCI Developed for Department of Energy (DOE) Accelerated Strategic Computing Initiative (ASCI) Challenges Coupled multiphysics: solid +fluid+thermal+chem. Large unstructured meshes: 100,000,000s elements Massively parallel computing: 1,000s of processors Advanced algorithms: mesh erosion, h-adaptivity,multilevel, dynamic load balancing4 SIERRA ConceptApplications share a single Framework whichprovides common capabilities Simplify utilization of ASCI supercomputers Consolidate common capabilities Eliminate redundant development and maintenance Encourage architecturally similar applicationsApplication developers work in a commonsoftware development environment Uniform access to AS
6 Current stand-alone codes VIPAR Parachute performance code, vortex method coupled with transient dynamics PRONTO Transient dynamics Lagrangian solid mechanics
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