1. What is a bow tie?
1.1 Principle
The principle of the bow-tie method is to bring together a fault tree and an event tree centered on the same feared event.
The event at the center of the node is often referred to as the central feared event.
The part upstream of the dreaded event consists of a fault tree, which makes it possible to analyze the combinations of causes and highlight the effect of prevention barriers on the accidental sequences leading to the occurrence of the dreaded event.
The downstream part consists of an event tree. It is used to determine the nature and extent of the consequences, depending on whether or not the mitigation barriers are fulfilling their...
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What is a bow tie?
Build the fault tree
Bibliography
Also in our database
Bibliography
Yves Mortureux — Fault, cause and event trees — SE 4050
Yves Mortureux — Dependability: risk management methods — BM 5008
Olivier Iddir — The bow tie: a method for quantifying major risk — SE 4055
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