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Evidence Theory Representations for Loss of Assured Safety in Weak Link/Strong Link Systems.

Technical Report ·
DOI:https://doi.org/10.2172/1561443· OSTI ID:1561443
 [1];  [2];  [3]
  1. Arizona State Univ., Tempe, AZ (United States). Dept. of Mathematics and Statistics
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Structural and Thermal Analysis Dept.
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Weapon Surety Engineering II Dept.

The following topics are considered in this presentation: (i) Overview of evidence theory, (ii) Representation of loss of assured safety (LOAS) with evidence theory for a 1 SL, 1 WL system, (iii) Description of 2 SLs and 1 WL used for illustration, (iv) Plausibility and belief for LOAS and associated sampling-based verification calculations for a 2 SL, 1 WL system, (iv) Plausibility and belief for margins associated with LOAS for a 2 SL, 1 WL system, (v) Plausibility and belief for LOAS for a 2 SL, 2 WL system, (vi) Incorporation of evidence spaces for link temperature curves into LOAS calculations, (vii) Plausibility and belief for LOAS for WL/SL systems with SL subsystems, and (viii) Sampling-based procedures for the estimation of plausibility and belief. 2

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Science (NA-113)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
1561443
Report Number(s):
SAND--2019-10445; 679118
Country of Publication:
United States
Language:
English

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