A Continuous Approximation Approach Based on Regular Hexagon Partition for the Facility Location Problem under Disruptions Risk

Table 1

Optimal numerical solution.

(fR, fU)	r		Reliable facilities	Unreliable facilities	Total
(1.5×10^6, 1×10^6)	1.5	Facility quantity	10	34	44
		Facility cost	1.5×10^7	3.4×10^7	4.9×10^7
			Initial allocation	Backup allocation
		Transportation cost	2.069×10^7	7.730×10^7	9.799×10^7
		Subtotal cost	3.569×10^7	11.130×10^7
		Total cost	14.699×10^7