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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 Speaking the Same Language: The Role of Model Validation in Shaping Measurement Strategies at the CHESS Structural Materials Beamline
Author(s) Kelly E. Nygren, Christopher Budrow, Paul Shade, Mark Obstalecki, Diwakar Naragani, Amlan Das, Sven Gustafson, Matthew Miller
On-Site Speaker (Planned) Kelly E. Nygren
Abstract Scope At the Structural Materials Beamline (SMB) at CHESS—a beamline focused on applied defense and industrial problems—modelers are frequent users, actively seeking measurements to validate and refine their models. Synchrotron techniques are especially valuable in this context because they provide 3D, spatially-resolved and time-resolved measurements of the microstructural and micromechanical state across critical length scales: from continuum-scale fields at the part level down to grain-scale behavior. Synchrotron flux also enables dynamic in situ measurements during loading. Unfortunately, we often cannot measure exactly what models predict, and both models and experimental approaches have misaligned strengths and limitations in resolution and reliability. This reality shapes how we define experimental descriptors and guides our measurement strategies to support meaningful validation. This talk will present how mechanical deformation models influence planning, instrumentation choices, data collection, and analysis strategies at SMB, as well as ongoing efforts to interface X-ray results directly with modeling data.
Proceedings Inclusion? Planned:
Keywords Characterization, Mechanical Properties,

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