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Molecular dynamics-informed material point method for hypervelocity impact analysis
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DOI：10.1016/j.ijimpeng.2024.105124.png)
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This paper introduces a framework specifically designed to simulate hypervelocity impact scenarios precisely. The framework utilizes the multiscale shock technique (MSST) from molecular dynamics (MD) to accurately model material states under extreme impact loading conditions, focusing on calculating the equation of state (EOS). A vital aspect of this work is the acquisition and application of the Mie-Gruneisen EOS, which is highly relevant in impact analysis research. The framework employs the material point method (MPM) to conduct analyses of hypervelocity impacts using the derived EOS. This method offers a detailed insight into the dynamic responses of materials subjected to hypervelocity impacts, underscoring the integration of molecular dynamics with the MPM.
Keyword:
Hypervelocity Impact
Multiscale shock technique
Molecular dynamics
Mie-Gruneisen EOS
Material point method
期刊
IF:
5.7
论文数:
4.9K
被引数:
2.0W
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