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DOE OSTI · 1994092

Synopsis of SURF and SURFplus

Henrick, Andrew Koldewey
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Abstract

Developed by Menikoff and Shaw, the SURF reactive burn model builds on the Ignition and Growth concept by incorporating the lead shock pressure directly into the volumetric hot-spot burn rate. The plus-extension augments the model with a late time surface burn rate due to carbon clustering. Together, SURF and SURFplus allow for robust modeling of both conventional and insensitive high explosives. Practically, the SURF burn models require shock detection and the advection of the lead shock pressure as an additional material field. Calibrated parameters for given equations of state and thermodynamic closure are dependent on initial temperature and density. An implementation in Python is given.

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Henrick, Andrew Koldewey. 2023-07-06. Synopsis of SURF and SURFplus. https://doi.org/10.2172/1994092

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