EFcalc - Event/Fault Tree Calculator

Input Files

Seven input files are used to describe the event tree/fault tree problem and list the calculation parameters to solve that problem. Three of the files are required, four will use default values if the files are not present.

• Basic Events File (*.bas) [required]
• Fault Tree Equations File (*.equ) [required]
• Event Trees File (*.etr) [required]
• Consequence Descriptions File (*.con) [optional]
• Calculation Parameters File (*.cal) [optional]
• Damaged Components List (*.dmg) [optional]
• Broken Top-Level Gate Names List (*.btl) [optional]

Oak Ridge National Laboratory, 2004

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