Event tree analysis is a forward, top-down logical modeling technique that starts from a single initiating event and traces the paths of success and failure that can follow, so that the probability of each outcome can be assessed. Intermediate events are usually split into binary branches such as success or failure, the chance of each branch can be worked out with fault tree analysis, and every path ends in an end state classed as a success or by the severity of its consequences. The method is applied to systems such as nuclear power plants, spacecraft and chemical plants, and it can be used early in design to find problems before they occur. The United Kingdom Atomic Energy Authority first used it in its design offices in 1968, and the name event tree was introduced in the WASH-1400 nuclear power plant safety study of about 1974.
Facts
Event tree analysis
Filter Results1 entry
Connections
Associated With
Source Event tree analysis (source article)
In Field
Source Event tree analysis (source article)
Sources
1. Event tree analysis (source article)
History
the UKAEA first introduced ETA in its design offices in 1968
In Field: Systems Engineering, Lead
lays a path for assessing probabilities of the outcomes and overall system analysis
Associated With: Failure mode and effects analysis, See also
Failure modes and effect analysis
In Group: Planning and Analysis Methods, Lead paragraph
Event tree analysis (ETA) is a forward, top-down, logical modeling technique for both success and failure that explores responses through a single initiating event and lays a path for assessing probabilities of the outcomes and overall system analysis.
View the SourceReader Challenges (0)
No disputes yet. Spotted an error or a better source? Open the first one.
Sign in to dispute this or suggest a correction.
View At A Past Year
Choose a year to see this entry's facts and connections as the atlas records them at that moment: what it held then, what it held instead, and what it had not yet adopted. Choose Present for the current record.