a hybrid approach for saint gobain cutting glass problem
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a hybrid approach for saint-gobain cutting glass problem Mirsad Buljuba si c, Michel Vasquez LGI2P Introduction Saint Gobain Manufacture and sale of flat glass #1 in Europe #2 worldwide 2 Saint Gobain Manufacture and


  1. sequence: 19 0 1 2 3 4 5 20 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 0 19 3 22

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  15. Consistent Neighborhood Tabu search � explores partial and ”consistent” solutions, rearranging the items assigned to a single bin and non-assigned items Consistent Neighborhood Search for One-Dimensional Bin Packing and Two-Dimensional Vector Packing Computers & Operations Research, 2016 BIN NON-ASSIGNED ITEMS Local Search Moves 23

  16. Consistent Neighborhood Tabu search � explores partial and ”consistent” solutions, rearranging the items assigned to a single bin and non-assigned items Consistent Neighborhood Search for One-Dimensional Bin Packing and Two-Dimensional Vector Packing Computers & Operations Research, 2016 BIN NON-ASSIGNED ITEMS Local Search Moves 23

  17. B6 Solution 24

  18. B6 Solution 24

  19. B6 Solution 24

  20. B6 Solution 24

  21. B6 Solution 24

  22. B6 Solution 24

  23. B6 Solution 24

  24. B6 Solution 24

  25. B6 Solution 24

  26. B6 Solution 24

  27. Computational results

  28. Results Dataset B Inst loss BKS loss(%) 2722308 2661318 3.48 B1 15137885 13674125 4.38 B2 18191093 18191093 4.64 B3 9857995 8269045 5.64 B4 72155615 72155615 18.41 B5 11407117 11195257 5.40 B6 8891889 8355819 4.36 B7 16067959 16067959 4.05 B8 17484577 17484577 5.38 B9 24095813 21951533 6.25 B10 22584380 22584380 5.73 B11 15903967 13958707 5.60 B12 26634915 24471375 5.26 B13 9449200 8656330 4.93 B14 26616371 24517031 5.11 B15 5.91 avg 26

  29. Results Dataset B Inst loss BKS loss(%) 2722308 2661318 3.48 B1 15137885 13674125 4.38 B2 18191093 18191093 4.64 B3 9857995 8269045 5.64 B4 72155615 72155615 18.41 B5 11407117 11195257 5.40 B6 8891889 8355819 4.36 B7 16067959 16067959 4.05 B8 17484577 17484577 5.38 B9 24095813 21951533 6.25 B10 22584380 22584380 5.73 B11 15903967 13958707 5.60 B12 26634915 24471375 5.26 B13 9449200 8656330 4.93 B14 26616371 24517031 5.11 B15 5.91 avg B + X: 8/30 best solutions 26

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