機械学習によるマルチスケール物理シミュレーションの高度化

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This research project aims at implementing nucleation of dislocation in mesoscopic scale simulation by training a machine learning model with data obtained from simulations at the atomistic scale. Since the beginning of the project, seven months ago, the fellow was able to train a model able to predict with a very high degree of precision the nucleation of dislocation in atomistic simulations by training a machine learning model with : (a) the shape of the system, (b) the strain, (c) the global potential energy, (d) at which strain interval took place the last plastic event, and (e) the size of the system. This result shows that it is indeed possible to use machine learning to predict nucleation of dislocations and allows to start the implementation of the model at the mesoscopic scale.