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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Verification, Calibration, and Validation Approaches in Modeling the Mechanical Performance of Metallic Materials
Presentation Title Verification, Validation, and Uncertainty Quantification in the OPAL Digital Twin
Author(s) James Sobotka, Erin DeCarlo, Guha Manogharan, Griffin T. Jones, Brendan P. Croom
On-Site Speaker (Planned) James Sobotka
Abstract Scope In OPAL (One Part And Life), we propose a new part-by-part qualification and certification approach for metal additively manufactured (AM) parts where each One Part uniquely built by an AM process has its own One Life predicted based on its unique defects and microstructure signature. We recognize three major technical gaps. First, we must sense and record process disturbances that form inherent defects and thermal history that govern the microstructure. Second, within a defect and microstructure twin (DMT) tool, we must predict defect formation and microstructure evolution driven by the captured thermal history and other sensor modalities. Third, we must integrate the unique fingerprint from the DMT to improve the accuracy of an efficient, practical, and credible structural integrity framework. This presentation provides an overview of the OPAL effort and describes efforts to map the model hierarchy, to identify physical phenomena, to rank uncertainty, and to validate the overall framework.
Proceedings Inclusion? Planned:

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