About this Abstract |
Meeting |
2021 TMS Annual Meeting & Exhibition
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Symposium
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AI/Data Informatics: Applications and Uncertainty Quantification at Atomistics and Mesoscales
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Presentation Title |
Building a Better Database to Learn From; Application to Interatomic Potentials |
Author(s) |
Mitchell Wood, Nicholas Lubbers, Danny Perez, Charles Sievers |
On-Site Speaker (Planned) |
Mitchell Wood |
Abstract Scope |
While many research challenges in material physics, chemistry and biology lie just out of reach on current peta-scale machines due to length and time restrictions inherent to Molecular Dynamics, questions of the accuracy of our simulations will continue to linger. A recent trend is to develop machine learned(ML) IAP that demonstrate ab initio levels of accuracy, but are far more computationally efficient. The starting point for all ML applications is a collection of training data which constrains the learned parameters of a model form, but most often which data is included as training is skewed by user-defined heuristics and is liable to fail when extrapolating beyond where training was supplied. In order to provide accurate and transferrable ML-IAP, we have focused our efforts on developing methods to generate training sets that can be used by common computing clusters as well as leadership computing platforms. |
Proceedings Inclusion? |
Planned: |