! Keywords: Blending / Product Management / Product Mix / Production;
MIN 0.03 P1 + 0.0645 P2 + 0.065 F1 + 0.061 F2 + 0.1 A1 + 0.13 A2
+ 0.119 A3 + 0.08 CB + 0.021 S1 + 0.02 S2 + 0.0195 S3
SUBJECT TO
! Raw material availabilities;
2) CB <= 20
3) S1 <= 200
4) S2 <= 200
5) S3 <= 200
! Quality requirements on;
! Carbon content;
6) 0.04 P1 + 0.15 CB + 0.004 S1 + 0.001 S2 + 0.001 S3 >= 60
7) 0.04 P1 + 0.15 CB + 0.004 S1 + 0.001 S2 + 0.001 S3 <= 70
! Chrome content;
8) 0.1 P2 + 0.2 A2 + 0.08 A3 >= 6
9) 0.1 P2 + 0.2 A2 + 0.08 A3 <= 9
! Manganese content;
10) 0.009 P1 + 0.045 P2 + 0.6 A1 + 0.09 A2 + 0.33 A3 +
0.009 S1 + 0.003 S2 + 0.003 S3 >= 27
11) 0.009 P1 + 0.045 P2 + 0.6 A1 + 0.09 A2 + 0.33 A3 +
0.009 S1 + 0.003 S2 + 0.003 S3 <= 33
! Silicon content;
12) 0.0225 P1 + 0.15 P2 + 0.45 F1 + 0.42 F2 + 0.18 A1 +
0.3 A2 + 0.25 A3 + 0.3 CB >= 54
13) 0.0225 P1 + 0.15 P2 + 0.45 F1 + 0.42 F2 + 0.18 A1 +
0.3 A2 + 0.25 A3 + 0.3 CB <= 60
! Finish good requirements;
14) P1 + P2 + F1 + F2 + A1 + A2 + A3 + CB + S1 + S2 + S3 = 2000
END
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