Research Article

A Two-Stage Simulated Annealing Algorithm for the Many-to-Many Milk-Run Routing Problem with Pipeline Inventory Cost

Table 14


InstanceCoordinateTSSALSSTSSASA
LenLenLen

S1310470000.370.130.50.2300.153001.2300.053008000.05300
S2310670000.370.130.50.2300.153001.2300.053008000.05300
S33207250000.430.070.50.2300.156001.2300.058009000.05800
S432013250000.430.070.50.2300.156001.2300.058009000.05800
S55106200000.330.170.50.2300.154001.2300.056009000.05600
S651010200000.330.170.50.2300.154001.2300.056009000.05600
S752011600000.40.10.50.2300.158001.19300.05120012000.051200
S852019600000.40.10.50.2300.158001.19300.05120012000.051200
M11020222000000.330.17 0.50.2300.1520001.18300.05300015000.053000
M21020402000000.330.17 0.50.2300.1520001.18300.05300020000.053000
M31030345000000.370.13 0.50.2300.1540001.17300.05700020000.057000
M41030595000000.370.13 0.50.2300.1540001.17300.05700022000.057000
M520306715000000.30.20 0.50.2300.15120001.15300.051800026000.0518000
M6203011615000000.30.20 0.50.2300.15120001.15300.051800025000.0518000
M720505710000000.360.14 0.50.2300.15120001.15300.051800025000.0518000
M820509710000000.360.14 0.50.2300.15120001.15300.051800030000.0518000
M9205011230000000.360.14 0.50.2300.15250001.14300.054000040000.0540000
M10205019730000000.360.14 0.50.2300.15270001.14300.054200040000.0542000
L11010010010000000.450.050.50.2300.15130001.14300.052000033000.0520000
L21010019630000000.450.050.50.2300.15290001.13300.054400045000.0544000
L31020019330000000.480.020.50.2300.15300001.13300.054500050000.0545000
L41020039490000000.480.020.50.2400.15800001.13400.0513000080000.05130000
L52010019930000000.420.080.50.2300.15300001.13300.054500050000.0545000
L62010038890000000.420.080.50.2400.15800001.13400.0513000080000.05130000
L72020039790000000.450.050.50.2500.15950001.13500.0514500090000.05145000
L820200784300000000.450.050.50.2700.152500001.13700.05400000120000.05400000
L93010019630000000.380.120.50.2300.15350001.13300.055000050000.0550000
L103010038790000000.380.120.50.2400.15900001.13400.0514000080000.05140000
L113020038790000000.430.070.50.2600.151000001.13600.05150000100000.05150000
L1230200776300000000.430.070.50.2800.152800001.13800.05500000130000.05500000

: number of suppliers; : number of plants; : number of vehicles; coordinate : coordinates of all the suppliers and plants are drawn from a uniform distribution between and ; : the volumes of all the nonzero tasks are drawn from , where is the number of non-zero-volume tasks. is the number of iterations in Algorithm 2. Besides, the cooling coefficients are all equal to 0.95, and the coefficients are drawn from .