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U.S. Department of Energy
Office of Scientific and Technical Information

Progress Towards A New CTH Code Verification & Validation Test Suite

Technical Report ·
DOI:https://doi.org/10.2172/1570096· OSTI ID:1570096
 [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

The CTH multiphysics hydrocode is used in a wide variety of important calculations. An essential part of ensuring hydrocode accuracy and credibility is thorough code verification and validation (V&V). In the past, CTH V&V work (particularly verification) has not been consistently well documented. In FY19, we have made substantial progress towards addressing this need. In this report, we present a new CTH V&V test suite composed of traditional hydrocode verification problems used by similar ASC codes as well as validation problems for some of the most frequently used materials models and capabilities in CTH. For the verification problems, we present not only results and computed errors, but also convergence rates. Validation problems include mesh refinement studies, providing evidence that results are converging.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
1570096
Report Number(s):
SAND-2019-12020; 680106
Country of Publication:
United States
Language:
English