Model Construction with GPSS-FORTRAN Version 3

1 Continuous Models.- 1.1 Host Parasite Model I.- 1.1.1 Description of the Model.- 1.1.2 Implementation.- 1.1.3 The Input Data.- 1.1.4 Results for the Simple Host Parasite Model.- 1.1.5 Problems.- 1.2 Host Parasite Model II.- 1.2.1 Description of the Model.- 1.2.2 The Results of the Host Parasite Model with Scheduled Events.- 1.2.3 Problems.- 1.3 The Input of User Variables.- 1.3.1 The Technique Used.- 1.3.2 Problems.- 1.4 Host Parasite Model III.- 1.4.1 Description of the Model.- 1.4.2 The Subroutine STATE.- 1.4.3 Crossings and Conditions.- 1.4.4 Events.- 1.4.5 Checking of Conditions.- 1.4.6 Summary of the Method Used.- 1.4.7 Results for Host Parasite Model III.- 1.4.8 Problems.- 1.5 The Host Parasite Model IV.- 1.5.1 Description of the Model.- 1.5.2 The Implementation.- 1.5.3 The Results of the Host Parasite Model IV.- 1.5.4 Problems.- 2 Queued Systems.- 2.1 Brewery Model I.- 2.1.1 Descriptions of the Model.- 2.1.2 Implementation in Subroutine ACTIV.- 2.1.3 Main Program.- 2.1.4 The Subroutine ACTIV.- 2.1.5 Input Data Records.- 2.1.6 Example.- 2.2 Running of the Model.- 2.2.1 Example.- 2.2.2 Problems.- 2.3 Brewery Model II.- 2.3.1 Description of the Model.- 2.3.2 Calling the Random Number Generator.- 2.3.3 Collection and Processing of Statistical Data.- 2.3.4 The Subroutine ACTIV.- 2.3.5 The Results.- 2.3.6 Problems.- 2.4 Brewery Model III.- 2.4.1 Description of the Model.- 2.4.2 The Subroutine ACTIV.- 2.4.3 The Subroutine STATE.- 2.4.4 Crossings.- 2.4.5 Events.- 2.4.6 Checking of Conditions.- 2.4.7 Main Program.- 2.4.8 Summary of the Implementation.- 2.4.9 The Results.- 2.4.10 Problems.- 3 The Facilities.- 3.1 Model of a Squirrel.- 3.1.1 Structure of the Model.- 3.1.2 The Implementation.- 3.1.3 Main Program.- 3.1.4 The Subroutine ACTIV.- 3.1.5 Repetition of the Simulation.- 3.1.6 The Results.- 3.1.7 Problems.- 3.2 The Model of a Repair Workshop.- 3.2.1 Description of the Model.- 3.2.2 Implementation.- 3.2.3 The Results.- 3.2.4 Problems.- 3.3 Job Processing Model.- 3.3.1 Description of the Model.- 3.3.2 Implementation.- 3.3.3 Main Program.- 3.3.4 The Subroutine DYNVAL.- 3.3.5 The Results.- 3.3.6 Problems.- 3.4 Group Practice Model.- 3.4.1 Description of the Model.- 3.4.2 Implementation.- 3.4.3 Main Program.- 3.4.4 The Subroutine ACTIV.- 3.4.5 The Results.- 3.4.6 Problems.- 4 Pools and Storages.- 4.1 Computer Model I.- 4.1.1 Description of the Model.- 4.1.2 Implementation.- 4.1.3 Settling Phase.- 4.1.4 The Subroutine ACTIV.- 4.1.5 Main Program.- 4.1.6 The Results.- 4.1.7 Problems.- 4.2 Computer Model II.- 4.2.1 Alterations to Computer Model I.- 4.2.2 The Results.- 4.2.3 Problems.- 5 The Coordination of Transactions.- 5.1 Model of Parcel Transport.- 5.1.1 Description of the Model.- 5.1.2 The Implementation.- 5.1.3 The Results.- 5.1.4 Problems.- 5.2 Model of a Scenic Mountain.- 5.2.1 Description of the Model.- 5.2.2 Implementation.- 5.2.3 Problems.- 5.3 The Coordination of Simultaneous Activities.- 5.3.1 Model of Car Telephones.- 5.3.2 Structure of the Car Telephone Model.- 5.3.3 The Results.- 5.3.4 Problems.- 6 Tanker Fleet Model.- 6.1 Description of the Tanker Fleet Model.- 6.2 The Structure of the Model.- 6.2.1 State Variables.- 6.2.2 The Events.- 6.2.3 Setting the Flags.- 6.2.4 The Conditions.- 6.2.5 Testing the Conditions.- 6.2.6 The Subroutine ACTIV.- 6.2.7 The Subroutine STATE.- 6.2.8 Main Program.- 6.2.9 Results of the Model of the Tanker Fleet.- 6.2.10 Problems.- 7 The Set Concept in GPS S-FORTRAN Version 3.- 7.1 Host Parasite Model V.- 7.2 Structure of the Model.- 7.2.1 The Subroutine STATE.- 7.2.2 The Events in Subroutine EVENT.- 7.2.3 Setting of Flags.- 7.2.4 The Conditions and Their Testing.- 7.2.5 The Input Data.- 7.3 The Results.- 7.4 Problems.- 8 Specializations.- 8.1 Variables and Their Graphical Representation.- 8.1.1 The Cedar Bog Lake Model.- 8.1.2 Construction of the Model.- 8.1.3 The Results.- 8.1.4 Problems.- 8.2 Combination of Model Components to Structure.- 8.2.1 The Supermarket Model.- 8.2.2 Structure of Model.- 8.2.3 The Results.- 8.2.4 Problems.- 8. 3 The Representation of System Dynamics Models in GPSS-FORTRAN Version 3.- 8.3.1 System Elements and System Functions of System Dynamics and Their Representation in GPSS-FORTRAN Version 3.- 8.3.2 The Snowtire Supply Model.- 8.3.3 The Results.- 8.3.4 Problems.- 8.4 Differential Equations of Higher Order.- 8.4.1 Wheel Suspension Model I.- 8.4.2 Structure of the Model.- 8.4.3 The Results.- 8.4.4 Problems.- 8.5 Stochastic, Continuous Systems.- 8.5.1 The Wheel Suspension Model II.- 8.5.2 The Results.- 8.5.3 Problems.- 8.6 Delayed Variables.- 8.6.1 The Host Parasite Model VI.- 8.6.2 Implementation.- 8.6.3 Combining the Data Areas for Delayed Variables.- 8.6.4 Initialisation of the Delayed Variables.- 8.6.5 The Results.- 8.6.6 Examples.- References.