Using system dynamics for safety and risk management in complex engineering systems

Nicolas Dulac, Nancy Leveson, David Zipkin, Stephen Friedenthal, Joel Cutcher-Gershenfeld, John Carroll, Betty Barrett

Research output: Chapter in Book/Report/Conference proceedingConference contribution


This paper presents a new approach to modeling and analyzing organizational culture, particularly safety culture. We have been experimentally applying it to the NASA manned space program as part of our goal to create a powerful new approach to risk management in complex systems. We describe the approach and give sample results of its applications to understand the factors involved in the Columbia accident and to perform a risk analysis of the new Independent Technical Authority (ITA) structure for NASA, which was introduced to improve safety-related decision-making.

Original languageEnglish (US)
Title of host publicationProceedings of the 2005 Winter Simulation Conference
Number of pages10
StatePublished - 2005
Externally publishedYes
Event2005 Winter Simulation Conference - Orlando, FL, United States
Duration: Dec 4 2005Dec 7 2005

Publication series

NameProceedings - Winter Simulation Conference
ISSN (Print)0891-7736


Other2005 Winter Simulation Conference
Country/TerritoryUnited States
CityOrlando, FL

ASJC Scopus subject areas

  • Software
  • Modeling and Simulation
  • Computer Science Applications


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