procsel.gms:
References:
- GAMS Development, GAMS Model Library.
- Kocis, G R, and Grossmann, I E, Relaxation Strategy for the Structural Optimization of Process Flow Sheets. Industrial and Engineering Chemical Research 26, 9 (1987), 1869-1880.
- Original source: GAMS model procsel.gms from Gams Model Library
Point:
p1
Best known point (p1): Solution value -1.92 (global optimum, BARON certificate)
$offlisting
* MINLP written by GAMS Convert at 04/18/01 15:19:45
*
* Equation counts
* Total E G L N X
* 8 5 0 3 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 11 8 3 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 26 24 2 0
*
* Solve m using MINLP minimizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,b8,b9,b10,objvar;
Positive Variables x1,x2,x3,x4,x5,x6,x7;
Binary Variables b8,b9,b10;
Equations e1,e2,e3,e4,e5,e6,e7,e8;
e1.. - 0.9*x6 + x7 =E= 0;
e2.. exp(x3) - x1 =E= 1;
e3.. exp(0.833333333333333*x4) - x2 =E= 1;
e4.. - x3 - x4 - x5 + x6 =E= 0;
e5.. x7 - 2*b8 =L= 0;
e6.. x3 - 4*b9 =L= 0;
e7.. x4 - 5*b10 =L= 0;
e8.. 1.8*x1 + 1.8*x2 + x3 + 1.2*x4 + 7*x5 - 11*x7 + 3.5*b8 + b9 + 1.5*b10
- objvar =E= 0;
* set non default bounds
x7.up = 1;
$if set nostart $goto modeldef
* set non default levels
* set non default marginals
$label modeldef
Model m / all /;
m.limrow=0; m.limcol=0;
$if NOT '%gams.u1%' == '' $include '%gams.u1%'
$if not set MINLP $set MINLP MINLP
Solve m using %MINLP% minimizing objvar;