About this Abstract |
Meeting |
2022 TMS Annual Meeting & Exhibition
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Symposium
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Materials Design and Processing Optimization for Advanced Manufacturing: From Fundamentals to Application
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Presentation Title |
ExaCA Workflow and Microstructure Modeling as Part of the ExaAM Framework |
Author(s) |
Matt Rolchigo, Jim Belak, Samuel Reeve, John Coleman, Gerry Knapp, Robert Carson, Alex Plotkowski, Lyle Levine, Eddie Schwalbach |
On-Site Speaker (Planned) |
Matt Rolchigo |
Abstract Scope |
ExaCA, an exascale-capable cellular automata application, is a microstructure modeling tool and one part of the ExaAM workflow within the Exascale Computing Project (ECP), where the goal is self-consistent modeling of AM processing, microstructure, and properties on upcoming exascale computers. The grain-scale microstructure predicted by CA is crucial within this workflow, driven by the time-temperature history predicted by process models OpenFOAM and Truchas-PBF, is highly sensitive to uncertain solidification input parameters, and in turn strongly influences the resultant properties predicted by ExaConstit. This talk will focus on the data format and workflow considerations for passing time-temperature history to the CA model and passing as-solidified microstructure data from the CA model, as well as the propagation of uncertainties within the workflow. Finally, microstructures predicted by ExaCA for various process conditions will be validated against experimentally obtained grain structures from AM parts and the sources of uncertainty analyzed. Supported by ECP (17-SC-20-SC). |
Proceedings Inclusion? |
Planned: |