Table A.1.
Symbol | Definition | Symbol | Definition |
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Suffix for excessive capacity of related variable; | Suffix for location ID of population of related variable; | ||
Suffix for population of related variable; | Position (chromosome) of particle in a shortage strategy; | ||
The quality (fitness) of the particle (individual); | Suffix for the initial results; | ||
Suffix for total distance of related variable; | Suffix for total population of related variable; | ||
Probability rate of Monte Carlo selection process; | Set of assigned demand points (equal to decision variable of Assignement model); |
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Set of Average distance of demands and allocated ; | Set of IDs of the available from the current position of truck ; | ||
Set of travel times to available from the current position of truck ; | Demand assignment of day to ; | ||
Truck availability for next destination; binary parameter; | Set of numbers of active vaccine centres; | ||
Balanced capacity assignment of the service centres ; | Maximum movements in staff re-allocation; | ||
Balanced distribution; | The particle with best quality (fitness) in the last set of particles; | ||
The particle with overall best quality (fitness); | Assigned capacity of VCs in the for simulation; | ||
Allocated capacity to the centre ; | A random coefficient number in Delta in Alg. XI; | ||
Set of Original capacities of the ; | Current capacity of vaccine distribution ; | ||
Capacity difference; | Chromosome; | ||
Set of numbers (ID) of the pre allocated Demands to a centre; | The distance between centre to centre ; | ||
Couriers distribution of day within time window ; | Unchanged cost in process of the Alg. IX; | ||
Counter for vaccination day; | The Euclidean distance between centre and demand ; | ||
Set of coordinates of Demand point ; | A random coefficient number in in Alg. XI; | ||
Dynamic capacity difference; | Distance of particle from Bofparticle and Bofswarm; | ||
Difference of centres’ capacity from constraint; | Remaining capacity of ; | ||
Set of distances from allocated demand points to a centre; | Distance between the demand and ; | ||
The Euclidean distance between centre and demand ; | Decision maker; | ||
Population of the demand point (in each day ) ; | ID number of the next destination of truck in day ; | ||
Central vaccine storage place (depot); | Delivered vaccines to in day ; | ||
Individual with the least amount of fitfuncion; | Expiration time of vaccine packages; | ||
Excessive load; | Set of locations’ IDs with no unmet demand; | ||
Fitness ; | Counter for offsprings of the crossover; | ||
, | index of demand points; | ID number of ; | |
Individual for crossover; | Selected particles for muting by mutation 1; | ||
Selected particles for muting by mutation 2; | Set of IDs (numbers) of centre corresponding the allocating demands point; |
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Interval gap for receiving second dose of vaccine; | Counter for demands for the assignment model; | ||
Load of vehicle ; | Prefix for local variables (Set of demand points temporary allocated to ); |
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Levelled capacity of ; | Set of IDs (numbers) of the ; | ||
Maximum capacity of ; | The individual that has been muted by mutation 1; | ||
The individual that has been muted by mutation 2; | Set pf Population of IDs of demands for assignment model; | ||
Set of IDs (numbers) of the Demand points; | Number parent particles for crossover; | ||
Next generation of results; | Number of iteration for the GA; | ||
Nominated for serving demand; | Number of individuals to get mutated by the mutation 1; | ||
Number of individuals to get mutated by the mutation 2; | Number of trucks in day to distribute vaccines; | ||
Population of initial results in HGA Alg.s; | Overall capacity of ; | ||
with zero overall capacity; | The first child of parent 1 and parent 2; | ||
The second child of parent 1 and parent 2; | Over populated centres; | ||
New received package; | Package of vaccines of day ; | ||
Reserved vaccines; | The individual that is a parent for the crossover; | ||
Another individual for parenting in the crossover; | The particle I in the swarm; | ||
Chance of being parent for the individuals in a generation; | Peak dynamic capacity difference; | ||
Mutation probability rate 1; | Mutation probability rate 2; | ||
The individual in the generation; | Priority ranking of mesh block area centroid; | ||
Set of demand points’ IDs waiting for vaccination of the day; | Distance between all the demands and their nearest centre; | ||
Accuracy measure index; | Remaining capacity; | ||
Euclidean distance between demand and nearest centre; | The number of supply for the assignment model; | ||
A counter for centres; | Set of vaccine distribution sequences; | ||
Chance of selecting centre in the chromosome; | Shortage load; | ||
Set of sequence of truck visiting ; | Surplus population in overpopulation of (iteration); | ||
Set of demands’ numbers as Service takers (first dose vaccination); | Set of demands’ numbers as Service takers (second dose vaccination); |
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A counter for demand points; | Total centres capacity; | ||
Total capacity difference; | Total maximum capacity of ; | ||
Top priority demand layer 1 (first dose vaccination); | Top priority demand layer 2 (second dose vaccination); | ||
Vehicle (truck) capacity; | Travel time of truck from current to the next ; | ||
Time window for vaccine delivery; | A Boolean variable to terminate the loop in the Alg. IX; | ||
Undelivered vaccine demand of ; | that can change during the process of Alg. IX; | ||
Set of not working with full of excess capacity centres; | Index of couriers trucks; | ||
A counter for the trucks; | current speed for changing; | ||
Speed of changing in the last generation; | Total distance of the allocated demands to the centre ; | ||
Total population of the allocated demands to the centre ; | Vaccine centre’s load; | ||
Valley dynamic capacity difference; | vehicle sequence with minimum travel time; | ||
Population of the assigned demand point ; | Index of the centre that has been selected for muting; | ||
Set of number of demands as waiting list (second dose vaccination) on day ; | Allocated population of point to centre ; | ||
Decision variable of the assignment model; | Sum of chromosomes with less excess amount; | ||
Total maximum daily required demand for dose 1; | Total maximum daily required demand for dose 2; | ||
Sum of chromosomes with less shortage amount; | A counter for crossover operation; | ||
Number of allowed set of destinations collection; | Vaccine expiration threshold; |