Two-Stage Robust Counterpart Model for Humanitarian Logistics Management

Table 1

Description of relevant parameters.

Symbol	Description
	Demand
	Fixed operating cost
	Maximum inventory
	Maximum load capacity
	Fuel consumption cost per vehicle transit
	Unit oil consumption of the vehicle
	Unit delay penalty cost
	Origin and distance between initial requirement site
	Vehicle average speed
	Baseline arrival time
	Maximum arrival time
	if , select site ; otherwise, unselected
	continuous variable, if , path is selected
	The set of
	The set of