alkylation.gms:
References:
- Edgar, T F, Himmelblau, D M, and Lasdon, L S, Optimization of Chemical Processes. McGraw Hill, Boston, 2001.
- Binous, H, Chemical Engineering Application Models. (Contributed models)
Point:
<![CDATA[
* NLP written by GAMS Convert at 10/24/05 19:20:37
*
* Equation counts
* Total E G L N X C
* 12 4 8 0 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 11 11 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 38 24 14 0
*
* Solve m using NLP maximizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,objvar;
Equations e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12;
e1.. - 0.063*x4*x7 + 5.04*x1 + 0.035*x2 + 10*x3 + 3.36*x5 + objvar =E= 0;
e2.. x1 - 1.22*x4 + x5 =E= 0;
e3.. - 98000*x3/(x4*x9 + 1000*x3) + x6 =E= 0;
e4.. - (x2 + x5)/x1 + x8 =E= 0;
e5.. (1.12 + 0.13167*x8 - 0.00667*x8**2)*x1 - 0.99*x4 =G= 0;
e6.. - (1.12 + 0.13167*x8 - 0.00667*x8**2)*x1 + 1.01010101010101*x4 =G= 0;
e7.. 1.098*x8 - 0.038*x8**2 + 0.325*x6 - 0.99*x7 =G= -57.425;
e8.. - (1.098*x8 - 0.038*x8**2) - 0.325*x6 + 1.01010101010101*x7 =G= 57.425;
e9.. - 0.9*x9 - 0.222*x10 =G= -35.82;
e10.. 1.11111111111111*x9 + 0.222*x10 =G= 35.82;
e11.. 3*x7 - 0.99*x10 =G= 133;
e12.. - 3*x7 + 1.01010101010101*x10 =G= -133;
* set non default bounds
x1.lo = 1E-6; x1.up = 2000;
x2.lo = 1E-6; x2.up = 16000;
x3.lo = 1E-6; x3.up = 120;
x4.lo = 1E-6; x4.up = 5000;
x5.lo = 1E-6; x5.up = 2000;
x6.lo = 85; x6.up = 93;
x7.lo = 90; x7.up = 95;
x8.lo = 3; x8.up = 12;
x9.lo = 0.01; x9.up = 4;
x10.lo = 145; x10.up = 162;
* set non default levels
x1.l = 1745;
x2.l = 12000;
x3.l = 110;
x4.l = 3048;
x5.l = 1974;
x6.l = 89.2;
x7.l = 92.8;
x8.l = 8;
x9.l = 3.6;
* set non default marginals
Model m / all /;
m.limrow=0; m.limcol=0;
Solve m using NLP maximizing objvar;
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