A Social Force Model for Pedestrians’ Movements Affected by Smoke Spreading

Table 1

Parameters for evacuation simulations.

Parameter	Symbol	Value	Equation
Relaxation time		0.5	(3)
Maximum desired speed		3	(4)
Maximum pedestrian density		10	(4)
Human-human interaction strength		2	(11)
Human-human range of repulsive interaction		0.21	(11)
Contact distance		0.5	(11)
Anisotropic parameter		0.61	(11)
Body force coefficient		2	(12)
Friction force coefficient		2	(12)
Velocity field in -direction		[-0.5, 0.5]	(13)
Velocity field in -direction		[-0.5, 0.5]	(13)
Diffusion constant		0.05	(13)
Time step size		0.02	(20), (21)
Space grid size in		0.4	(22)
Space grid size in		0.4	(23)