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Computer modelling of human behaviour in aircraft fire accidents
E R Galea1, M Owen, P J Lawrence
1Centre for Numerical Modelling and Process Analysis, University of Greenwich, London, UK.
Toxicology
|December 31, 1996
Summary
This study introduces EXODUS, a new mathematical model for simulating aircraft evacuations. It helps designers and investigators understand complex scenarios and improve safety through
Area of Science:
- Aviation safety
- Computational modeling
- Human factors engineering
Background:
- Mathematical simulation offers significant potential for analyzing aircraft evacuation dynamics.
- Existing models may not fully capture the complexity of large-scale egress scenarios.
- Understanding passenger behavior and environmental hazards is crucial for effective evacuation planning.
Purpose of the Study:
- To describe the development and potential applications of the EXODUS evacuation model.
- To provide a tool for 'what if' analysis in aircraft design and safety regulation.
- To simulate the movement and fate of individuals during aircraft evacuations.
Main Methods:
- Development of an expert system-based egress model named EXODUS.
- Tracking individual passenger trajectories and responses to fire hazards.
- Utilizing five core interacting components: Movement, Behavior, Passenger, Hazard, and Toxicity Submodels.
- Employing heuristics and Fractional Effective Dose calculations for simulation.
Main Results:
- The EXODUS model simulates individual movement and behavior during evacuations.
- It accounts for environmental hazards like heat and toxic gases.
- Model capabilities and limitations are demonstrated through experimental data and hypothetical scenarios.
Conclusions:
- The EXODUS model provides valuable insights into complex aircraft evacuation scenarios.
- It serves as a powerful tool for designers, legislators, and investigators.
- Further development and application of EXODUS can enhance aviation safety protocols.