Analytic EoS and PTW strength model recommendation for Starck Ta
Abstract
The purpose of this document is to provide an analytic EoS and PTW strength model for Starck Ta that can be consistently used between different platforms and simulations at three labs. This should provide a consistent basis for comparison of the results of calculations, but not the best implementation for matching a wide variety of experimental data. Another version using SESAME tables should follow, which will provide a better physical representation over a broader range of conditions. The data sets available at the time only include one Hopkinson bar at a strain rate of 1800/s; a broader range of highrate calibration data would be preferred. The resulting fit gives the PTW parameter p = 0. To avoid numerical issues, p = 0:001 has been used in FLAG. The PTW parameters that apply above the maximum strain rate in the data use the values from the original publication.
 Authors:
 Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
 Publication Date:
 Research Org.:
 Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
 Sponsoring Org.:
 USDOE National Nuclear Security Administration (NNSA)
 OSTI Identifier:
 1304821
 Report Number(s):
 LAUR1626427
 DOE Contract Number:
 AC5206NA25396
 Resource Type:
 Technical Report
 Country of Publication:
 United States
 Language:
 English
 Subject:
 97 MATHEMATICS AND COMPUTING
Citation Formats
Sjue, Sky K., and Prime, Michael B. Analytic EoS and PTW strength model recommendation for Starck Ta. United States: N. p., 2016.
Web. doi:10.2172/1304821.
Sjue, Sky K., & Prime, Michael B. Analytic EoS and PTW strength model recommendation for Starck Ta. United States. doi:10.2172/1304821.
Sjue, Sky K., and Prime, Michael B. Thu .
"Analytic EoS and PTW strength model recommendation for Starck Ta". United States.
doi:10.2172/1304821. https://www.osti.gov/servlets/purl/1304821.
@article{osti_1304821,
title = {Analytic EoS and PTW strength model recommendation for Starck Ta},
author = {Sjue, Sky K. and Prime, Michael B.},
abstractNote = {The purpose of this document is to provide an analytic EoS and PTW strength model for Starck Ta that can be consistently used between different platforms and simulations at three labs. This should provide a consistent basis for comparison of the results of calculations, but not the best implementation for matching a wide variety of experimental data. Another version using SESAME tables should follow, which will provide a better physical representation over a broader range of conditions. The data sets available at the time only include one Hopkinson bar at a strain rate of 1800/s; a broader range of highrate calibration data would be preferred. The resulting fit gives the PTW parameter p = 0. To avoid numerical issues, p = 0:001 has been used in FLAG. The PTW parameters that apply above the maximum strain rate in the data use the values from the original publication.},
doi = {10.2172/1304821},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Sep 01 00:00:00 EDT 2016},
month = {Thu Sep 01 00:00:00 EDT 2016}
}

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