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A Review of Building Evacuation Models - NIST Virtual Library

A Review of Building Evacuation Models - NIST Virtual Library

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The exact method for applying both techniques was not expanded upon.<br />

Output: <strong>Virtual</strong> reality simulation <strong>of</strong> the evacuation.<br />

Use <strong>of</strong> fire data: VEGAS models fire effects, but it is unclear how the fire information is input<br />

into the model (it seems that this information can be fed in from a CFD fire model).<br />

Import CAD drawings: The user can import DXF files (obtained from CAD) directly into<br />

VEGAS/VR environment.<br />

Visualization capabilities: 3-D visualization is possible.<br />

Validation studies: None found.<br />

Special features:<br />

Manual exit block/obstacles – Yes, the user can add obstructions to the building.<br />

Fire conditions affect behavior Yes, fire conditions can be simulated but it is unclear how the<br />

effects are input into the model.<br />

Defining groups – Yes, group behavior is modeled.<br />

Delays/pre-movement time – Yes, the assumption is that delays are incorporated in the individual<br />

checks made (proximity check, health check) as well as the ability for the occupant to investigate<br />

the situation before evacuating.<br />

Toxicity <strong>of</strong> the occupants – Yes.<br />

Route choice <strong>of</strong> the occupants/occupant distribution – User-defined.<br />

Limitations: Some <strong>of</strong> the behavioral factors have not been calibrated with real life data.<br />

A-103

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