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NOTE
NOTE *******************************************************************
NOTE MODEL OF WORKLOAD FLUCTUATIONS
NOTE *******************************************************************
NOTE JOHN HENIZE 5.11.81
NOTE *******************************************************************
NOTE
L MM.K=MM.J+(DT)*(-MTR.J) MANPOWER IN MARKETING
N MM=4 MEN
L MP.K=MP.J+(DT)*(MTR.J) MANPOWER IN PRODUCTION
N MP=6 MEN
NOTE
L JIP.K=JIP.J+(DT)*(JS.J-JC.J) JOBS_IN_PROCESS
N JIP=6 JOBS
A JM.K=MM.K/MEJ JOBS MARKETED
C MEJ=2 MAN_MONTHS/JOB MARKETING EFFORT PER JOB
L JS.K=JS.J+(DT/SD)*(JM.J-JS.J) JOBS SOLD
N JS=JM
C SD=2 MONTH SALES DELAY
A JC.K=MP.K/AJS JOBS COMPLETED
C AJS=8 MAN_MONTH/JOB
NOTE
A MTR.K=(BA.K+PMA.K)*MTC.K MANPOWER TRANSFER RATE
A BA.K=MMJ*(JIP.K-DJIP) BACKLOG ADJUSTMENT
C DJIP=6 JOBS DESIRED JOBS IN PROCESS
C MMJ=.15 MEN PER MONTH PER JOB MEN REALLOCATED PER MONTH PER
NOTE
A MTC.K=CLIP(MMC.K,PMC.K,BA.K,0) MANPOWER TRANSFER CONSTRAINT
A MMC.K=MMR.K MARKETING MANPOWER CONSTRAINT
A MMR.K=MM.K/(MM.K+MP.K) MARKETING MANPOWER RATIO
A PMC.K=PMR.K*PMR.K PRODUCTION MANPOWER CONSTRAINT
A PMR.K=MP.K/(MM.K+MP.K) PRODUCTION MANPOWER RATIO
NOTE
A PMA.K=SWITCH(0,PMA1.K,SW) PRODUCTION MANPOWER ADJUSTMENT
C SW=0
A PMA1.K=(DMP.K-MP.K)/MAT
A DMP.K=JS.K*AJS DESIRED MANPOWER IN PRODUCTION
C MAT=10 MONTHS MANPOWER ADJUSTMENT TIME
NOTE
C DT=.2
C LENGTH=120
C PLTPER=6
PLOT MM=M,MP=P(0,10)/JIP=J(0,20)
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