Forum Questions and Answers
Topic: PRISM Questions and Answers
Topic Posted by: SRC (src_forum@alionscience.com )
Organization: SRC
Date Posted: Wed Jan 12 8:33:33 US/Eastern 2000
Topic Description: Welcome to the PRISM forum! Please feel free to post your questions and comments about the PRISM assessment software here.

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Original Message:
Posted by: Laura Brown (laura_m_brown@mail.northgrum.com )
Organization:Northrop Grumman Electronic Systems
Date posted: Tue Nov 6 11:49:14 US/Eastern 2001
Subject: Status of Additional RACRates Models
Message:
The 2001 AR&MS tutorial notes on PRISM includes a statement "additional RACRates models are under development". Can you provide the status? What specific models are in process and are there estimated completion dates? I prefer to use RACRates models (rather than the fixed failure rates from the EPRD/NPRD databases) to more accurately reflect the thermal and operating conditions unique to our applications. However, a significant number of parts used in our designs are not covered by the existing RACRates models. This is considered a limitation of PRISM vs. MIL-HDBK-217FN2 which includes more models, albeit outdated. Appreciate the update!
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