Hybrid Electromagnetism-Like Algorithm for Dynamic Supply Chain Network Design under Traffic Congestion and Uncertainty

Algorithm 2

General procedure of the EMA-SA hybrid.

(1) Initialize the parameters , , , and the initial population

(2) 

(3)  WHILE    DO

(4)    

(5)     WHILE    DO

(6)        

(1)        WHILE    DO

(2)         FOR each particle in the population DO

(3)            Generate a solution in the neighborhood

(4)            

(5)             IF    THEN

(6)               

(7)             ELSE

(8)               Generate a random number .

(9)                IF    THEN

(10)                  

(11)                 END IF

(12)            END IF

(13)          END FOR

(14)         

(15)      END WHILE

(16)      

(17)     END WHILE

(18)     Calculate forces.

(19)     Move particles.

(20)      Reduce .

(21) END WHILE