set TOWNS := Antwerpen Arlon Brugge Gent Liege Mons Namur Sinsin Voeren Warnant Zeebrugge Zomergem;

set ARCS :=  Zeebrugge Brugge
	     Brugge    Zomergem
	     Antwerpen Gent
	     Gent      Zomergem
	     Zomergem  Mons
 	     Mons      Namur
             Namur     Warnant
	     Voeren    Liege
	     Liege     Warnant
             Warnant   Sinsin
	     Sinsin    Arlon;

set ARCSA := Warnant Sinsin;


# town parameters,
param:     slo       sup     plo   pup    c :=
Antwerpen  -Infinity -4.034  30    80.0   0 
Arlon 	   -Infinity -0.222  0     66.2   0 
Brugge 	   -Infinity -3.918  30    80.0   0 
Gent 	   -Infinity -5.256  30    80.0   0 
Liege 	   -Infinity -6.365  30    66.2   0 
Mons 	   -Infinity -6.848  0     66.2   0 
Namur 	   -Infinity -2.120  0     66.2   0 
Sinsin 	   0         0 	     0     63.0   0 
Voeren 	   20.344    22.012  50    66.2   1.68 
Warnant    0 	     0       0     66.2   0 
Zeebrugge  8.870     11.594  0     77.0   2.28 
Zomergem   0 	     0 	     0     80.0   0;

# arc parameters,
param:           D       L    :=
Zeebrugge Brugge 890.0   12.0 
Brugge Zomergem  890.0   26.0 
Antwerpen Gent   590.1   39.0 
Gent Zomergem    590.1   14.0 
Zomergem Mons    890.0   75.0
Mons Namur       890.0   55.0
Namur Warnant    890.0   42.0
Voeren Liege     890.0   22.0 
Liege Warnant    590.1   25.0 
Warnant Sinsin   315.5   40.0 
Sinsin Arlon     315.5   98.0;


param T  := 281.15;   
param e  := 0.05;   
param den:= 0.616; 
param z  := 0.8;