My Normal Bakery Economical Simulation Vensim Model (Version 1)(Rough)

bes.mdl

@@ -0,0 +1,455 @@
+{UTF-8}
+Available Workers=
+	2
+	~	workers
+	~		|
+
+Base Rate=
+	200
+	~	loaves/Day
+	~		|
+
+Lead Time Sugar=
+	1
+	~	days
+	~		|
+
+Bread Production=
+	MIN(Base Rate,MinResource )*Labour Efficiency
+	~	loaves/Day
+	~		|
+
+Demand=
+	200
+	~	loaves/Day
+	~		|
+
+Water Safety=
+	300
+	~	litres
+	~		|
+
+Sugar Purchase=
+	MAX(0,( Bread Production*Suger per Loaf+Sugar Safety-Sugar)/Lead Time Sugar)
+	~	kg
+	~		|
+
+Flour per Loaf=
+	0.3
+	~	kg/loaf
+	~		|
+
+Suger per Loaf=
+	0.02
+	~	kg/loaf
+	~		|
+
+MinSugarWater=
+	MIN(Sugar/Suger per Loaf, Water/Water per Loaf )
+	~	
+	~		|
+
+Yeast Purchase=
+	MAX(0,( Bread Production*Yeast per Loaf+Yeast Safety-Yeast)/Lead Time Yeast)
+	~	kg
+	~		|
+
+Labour Efficiency=
+	MIN(1, Available Workers/Workers Required )
+	~	Dmnl
+	~		|
+
+Water= INTEG (
+	Water Purchase-(Bread Production*Water per Loaf),
+		2000)
+	~	litres
+	~		|
+
+Water Cost=
+	0.001
+	~	$/litre
+	~		|
+
+Lead Time Water=
+	1
+	~	days
+	~		|
+
+Lead Time Yeast=
+	1
+	~	days
+	~		|
+
+Water Purchase=
+	MAX(0,( Bread Production*Water per Loaf+Water Safety-Water)/Lead Time Water)
+	~	litres
+	~		|
+
+Workers Required=
+	2
+	~	workers
+	~		|
+
+MinFlourYeast=
+	MIN(Flour/Flour per Loaf, Yeast/Yeast per Loaf )
+	~	
+	~		|
+
+MinResource=
+	MIN(MinFlourYeast, MinSugarWater )
+	~	
+	~		|
+
+Water per Loaf=
+	0.2
+	~	litres/loaf
+	~		|
+
+Waste Bread=
+	2
+	~	loaves/Day
+	~		|
+
+Raw Material Cost=
+	(Flour Cost*Flour Purchase)+(Sugar Cost*Sugar Purchase)+(Yeast Cost*Yeast Purchase)+\
+		(Water Cost*Water Purchase)
+	~	$
+	~		|
+
+Yeast Safety=
+	10
+	~	kg
+	~		|
+
+Sugar Safety=
+	20
+	~	kg
+	~		|
+
+Bread= INTEG (
+	Bread Production-Waste Bread-Sales,
+		0)
+	~	loaves
+	~		|
+
+Flour= INTEG (
+	Flour Purchase-(Flour per Loaf*Bread Production),
+		1000)
+	~	kg
+	~		|
+
+Flour Cost=
+	0.5
+	~	$/kg
+	~		|
+
+Flour Purchase=
+	MAX(0,( Bread Production*Flour per Loaf+Flour Safety-Flour)/Lead Time Flour )
+	~	kg
+	~		|
+
+Flour Safety=
+	200
+	~	kg
+	~		|
+
+Labour Cost=
+	Wage Rate*Total Labour Hours
+	~	$
+	~		|
+
+Lead Time Flour=
+	1
+	~	days
+	~		|
+
+Maintainance Cost=
+	Maintainance Rate*Money
+	~	$
+	~		|
+
+Maintainance Rate=
+	0.002
+	~	fraction/Day
+	~		|
+
+Money= INTEG (
+	Revenue-Labour Cost-Maintainance Cost-Raw Material Cost,
+		100000)
+	~	$
+	~		|
+
+Revenue=
+	Sales Price*Sales
+	~	$
+	~		|
+
+Sales=
+	MIN( Bread , Demand )
+	~	loaves/Day
+	~		|
+
+Sales Price=
+	4
+	~	$/loaf
+	~		|
+
+Sugar= INTEG (
+	Sugar Purchase-(Bread Production*Suger per Loaf),
+		100)
+	~	kg
+	~		|
+
+Sugar Cost=
+	0.8
+	~	$/kg
+	~		|
+
+Total Labour Hours=
+	16
+	~	hours/Day
+	~		|
+
+Wage Rate=
+	12
+	~	$/Hour
+	~		|
+
+Yeast= INTEG (
+	Yeast Purchase-(Bread Production*Yeast per Loaf),
+		50)
+	~	kg
+	~		|
+
+Yeast Cost=
+	10
+	~	$/kg
+	~		|
+
+Yeast per Loaf=
+	0.01
+	~	kg/loaf
+	~		|
+
+********************************************************
+	.Control
+********************************************************~
+		Simulation Control Parameters
+	|
+
+FINAL TIME  = 240
+	~	Month
+	~	The final time for the simulation.
+	|
+
+INITIAL TIME  = 0
+	~	Month
+	~	The initial time for the simulation.
+	|
+
+SAVEPER  = 
+        TIME STEP
+	~	Month [0,?]
+	~	The frequency with which output is stored.
+	|
+
+TIME STEP  = 1
+	~	Month [0,?]
+	~	The time step for the simulation.
+	|
+
+\\\---/// Sketch information - do not modify anything except names
+V300  Do not put anything below this section - it will be ignored
+*View 1
+$-1--1--1,0,|12||-1--1--1|-1--1--1|-1--1--1|-1--1--1|-1--1--1|96,96,99,0
+10,1,Money,765,313,42,22,3,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,2,48,468,306,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,3,5,2,100,0,0,22,0,192,0,-1--1--1,,1|(532,306)|
+1,4,5,1,4,0,0,22,0,192,0,-1--1--1,,1|(661,306)|
+11,5,0,593,306,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,6,Revenue,593,336,42,22,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,7,48,1318,308,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,8,10,1,100,0,0,22,0,192,0,-1--1--1,,1|(1060,309)|
+1,9,10,7,4,0,0,22,0,192,0,-1--1--1,,1|(1318,309)|
+11,10,0,1319,309,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,11,Raw Material Cost,1319,346,61,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,12,48,1109,312,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,13,15,1,100,0,0,22,0,192,0,-1--1--1,,1|(955,314)|
+1,14,15,12,4,0,0,22,0,192,0,-1--1--1,,1|(1109,314)|
+11,15,0,1110,314,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,16,Labour Cost,1110,344,56,22,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,17,48,930,313,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,18,20,1,100,0,0,22,0,192,0,-1--1--1,,1|(866,314)|
+1,19,20,17,4,0,0,22,0,192,0,-1--1--1,,1|(930,314)|
+11,20,0,931,314,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,21,Maintainance Cost,931,351,63,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,22,Wage Rate,1029,449,50,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,23,Total Labour Hours,1186,451,58,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,24,22,16,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,25,23,16,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,26,Sales Price,513,413,49,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,27,Sales,662,415,42,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,28,26,6,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,29,27,6,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,30,Flour,1636,-41,42,22,3,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,31,48,1459,12,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,32,34,31,100,0,0,22,0,192,0,-1--1--1,,1|(1498,12)|
+1,33,34,30,4,0,0,22,0,192,0,-1--1--1,,1|(1533,-41)|
+11,34,0,1533,12,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,35,Flour Purchase,1533,49,43,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,36,Flour per Loaf,1786,-43,43,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,37,36,30,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,38,Bread,759,184,42,22,3,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,39,48,563,174,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,40,42,39,100,0,0,22,0,192,0,-1--1--1,,1|(563,186)|
+1,41,42,38,4,0,0,22,0,192,0,-1--1--1,,1|(643,198)|
+11,42,0,563,198,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,43,Bread Production,563,235,51,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,44,27,38,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+12,45,48,898,163,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,46,48,38,100,0,0,22,0,192,0,-1--1--1,,1|(899,184)|
+1,47,48,45,4,0,0,22,0,192,0,-1--1--1,,1|(898,159)|
+11,48,0,899,159,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,49,Waste Bread,899,189,59,22,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,50,43,30,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+12,51,48,1288,460,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,52,54,51,100,0,0,22,0,192,0,-1--1--1,,1|(1288,399)|
+1,53,54,11,4,0,0,22,0,192,0,-1--1--1,,1|(1196,346)|
+11,54,0,1196,399,8,6,33,3,0,0,4,0,0,0,0,0,0,0,0,0
+10,55,Flour Cost,1251,399,47,22,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,56,48,1487,445,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,57,59,56,100,0,0,22,0,192,0,-1--1--1,,1|(1487,385)|
+1,58,59,11,4,0,0,22,0,192,0,-1--1--1,,1|(1319,385)|
+11,59,0,1554,385,8,6,33,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,60,Yeast Cost,1554,413,48,22,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,61,48,1519,321,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,62,64,61,100,0,0,22,0,192,0,-1--1--1,,1|(1492,321)|
+1,63,64,11,4,0,0,22,0,192,0,-1--1--1,,1|(1421,321)|
+11,64,0,1469,321,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,65,Sugar Cost,1469,351,49,22,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,66,35,11,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,67,Yeast,1651,142,42,22,3,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,68,48,1477,144,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,69,71,68,100,0,0,22,0,192,0,-1--1--1,,1|(1533,144)|
+1,70,71,67,4,0,0,22,0,192,0,-1--1--1,,1|(1574,152)|
+11,71,0,1533,152,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,72,Yeast Purchase,1533,189,43,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,73,Yeast per Loaf,1763,137,44,29,8,3,0,0,-1,1,0,0,0,0,0,0,0,0
+1,74,73,67,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,75,72,11,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,76,Sugar,1650,285,42,22,3,3,0,0,-1,0,0,0,0,0,0,0,0,0
+12,77,48,1480,292,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,78,80,77,100,0,0,22,0,192,0,-1--1--1,,1|(1524,292)|
+1,79,80,76,4,0,0,22,0,192,0,-1--1--1,,1|(1589,292)|
+11,80,0,1565,292,6,8,34,3,0,0,1,0,0,0,0,0,0,0,0,0
+10,81,Sugar Purchase,1565,329,43,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,82,Suger per Loaf,1778,284,45,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,83,82,76,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,84,81,11,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,85,Maintainance Rate,920,436,63,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,86,85,21,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,87,Demand,660,479,42,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,88,87,27,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,89,30,150,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,90,67,150,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,91,76,152,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,92,36,150,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,93,73,150,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,94,82,152,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,95,30,35,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,96,Flour Safety,1505,-69,55,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,97,96,35,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,98,Lead Time Flour,1388,7,48,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,99,98,35,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,100,1,21,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,101,43,35,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,102,36,35,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,103,Base Rate,407,207,46,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,104,103,43,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,105,Labour Efficiency,491,128,44,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,106,105,43,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,107,38,27,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,108,43,67,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,109,43,76,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,110,Yeast Safety,1530,101,56,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,111,110,72,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,112,Lead Time Yeast,1387,179,40,18,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,113,112,72,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,114,Lead Time Sugar,1406,268,40,18,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,115,114,81,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,116,73,72,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,117,82,81,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,118,67,72,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,119,76,81,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,120,43,72,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+1,121,43,81,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,122,Sugar Safety,1542,234,57,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,123,122,81,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,124,Available Workers,632,122,42,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,125,124,105,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,126,Workers Required,344,127,43,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,127,126,105,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,128,Water,1659,406,42,22,3,3,0,0,-1,0,0,0,0,0,0,0,0,0
+10,129,Water per Loaf,1796,405,47,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,130,129,128,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+12,131,48,1633,472,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,132,134,131,100,0,0,22,0,192,0,-1--1--1,,1|(1633,458)|
+1,133,134,128,4,0,0,22,0,192,0,-1--1--1,,1|(1633,434)|
+11,134,0,1633,446,8,6,33,3,0,0,4,0,0,0,0,0,0,0,0,0
+10,135,Water Purchase,1684,446,43,29,40,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,136,128,135,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,137,Water Safety,1688,511,59,22,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,138,137,135,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+10,139,Lead Time Water,1829,483,48,29,8,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,140,139,135,0,0,0,0,0,192,0,-1--1--1,,1|(0,0)|
+12,141,48,1372,488,10,8,0,3,0,0,-1,0,0,0,0,0,0,0,0,0
+1,142,144,141,100,0,0,22,0,192,0,-1--1--1,,1|(1372,507)|
+1,143,144,11,4,0,0,22,0,192,0,-1--1--1,,1|(1394,346)|
+11,144,0,1394,507,8,6,33,3,0,0,4,0,0,0,0,0,0,0,0,0
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