Location Allocation Collaborative Optimization of Emergency Temporary Distribution Center under Uncertainties

Table 1

Parameter settings.

Implication
Set
	Set of emergency material supply point
	Set of emergency distribution center
	Set of resource demand point
Parameter
	Weight of material demand point
	Supply capacity of the emergency material supply point , which is a random variable
	Position coordinate of the emergency material supply point
	Position coordinate of the emergency distribution center
	Position coordinate of the emergency material demand point
	Maximum distribution radius of the emergency distribution centers
	Distance between material supply point and distribution center
	Distance between distribution center and material demand point
	Transportation speed between material supply point and distribution center
	Transportation speed between distribution center and material demand point
	Transportation time between material supply point and distribution center
	Transportation time between distribution center and material demand point
	Relative size of the emergency distribution center
	Material demand of emergency material demand point which is a triangular fuzzy number
	Material demand satisfaction rate of material demand point
	Material reserve capacity of distribution center
	Quantity of emergency materials transported from material supply point to distribution center
	Quantity of emergency materials transported from distribution center to demand point
	Material demand per person of material demand point
Decision variable
	means distribution center set at point , and means distribution center not set at point
	means materials shipping from supply point to distribution center means materials not shipping from supply point to distribution center
	means materials shipping from distribution center to material demand point and means materials not shipping from distribution center to material demand point