Software has been created for fault tree analysis and event tree analysis and is licensed for use at the world's nuclear power plants for Probabilistic Safety Assessment.
2.
This study established the formal discipline of Probabilistic Risk Assessment ( PRA ), and for this he is known as the father of PRA and Probabilistic Safety Assessment ( PSA ).
3.
Outside the US, the software RiskSpectrum is a popular tool for Fault Tree and Event Tree analysis and is licensed for use at almost half of the world's nuclear power plants for Probabilistic Safety Assessment.