Virtual materials testing

Abstract eng:
We present extreme multiscale simulations in terms of both physical length scales and computational resources. In this paper, we delineate a hierarchically parallel computational homogenization (CH) solver that employs hundreds of thousands of computing cores and resolves material length scales from O(cm) to O(100 nm). Simulations of this kind are important in understanding multiscale behavior of many natural and synthetically made materials. When combined with image-based modeling concepts and co-designed simulations and experiments, these predictive computations are an important step towards Virtual Materials Testing and can aid in development of new material formulations.

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