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Hierarchical Bridging Between Ab Initio and Atomistic Level Computations: Calibrating the Modified Embedded Atom Method (MEAM) Potential (Part A)

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Abstract

This article provides a sequential calibration methodology for correlating the Modified Embedded Atom Method (MEAM) potential parameters to lower length scale calculation results or experimental data. We developed a graphical interactive MATLAB program called the MEAM Potential Calibration (MPC) tool that provides an interface with the large-scale atomistic/molecular massively parallel simulator. The MPC tool supports a rigorous yet fairly simple calibration methodology for determining the MEAM potential parameters. A pure aluminum system is used as an example to demonstrate the bridging methodology; however, the tool can be used for any material.

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Acknowledgements

The authors would like to acknowledge the Center for Advanced Vehicular Systems (CAVS) at Mississippi State University for support of this work.

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Correspondence to M. F. Horstemeyer.

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Horstemeyer, M.F., Hughes, J.M., Sukhija, N. et al. Hierarchical Bridging Between Ab Initio and Atomistic Level Computations: Calibrating the Modified Embedded Atom Method (MEAM) Potential (Part A). JOM 67, 143–147 (2015). https://doi.org/10.1007/s11837-014-1244-0

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  • DOI: https://doi.org/10.1007/s11837-014-1244-0

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