Simulation featuring Simulation featuring ARENAARENA

By: Chad EskewBy: Chad Eskew

Middleware Spring 2007Middleware Spring 2007

ARENAARENA

Discrete event simulatorDiscrete event simulator Dr. Dennis Pegden in 1982, SIMANDr. Dennis Pegden in 1982, SIMAN Still run old models on current versionStill run old models on current version 2 level design: flow logic and control 2 level design: flow logic and control

datadata Works in tandem with Excel and VisioWorks in tandem with Excel and Visio Works well when timing is involvedWorks well when timing is involved Is used to better assembly lines/supply Is used to better assembly lines/supply

chain environmentschain environments

ARENA PricingARENA Pricing The current version of ARENA being currently The current version of ARENA being currently

shipped is ARENA 11.0shipped is ARENA 11.0 It must be purchased on a university purchase It must be purchased on a university purchase

order and licensed to a professororder and licensed to a professor The current textbook can be purchased through The current textbook can be purchased through

McGraw-Hill and textbook includes the academic McGraw-Hill and textbook includes the academic version which has limitationsversion which has limitations

ARENA can only be used for research purposes only ARENA can only be used for research purposes only For a single ARENA PE Educational copy it is $1,850 For a single ARENA PE Educational copy it is $1,850

or for a 20 Seat-License it is $3,000or for a 20 Seat-License it is $3,000 The animation software is an additional $650, The animation software is an additional $650,

single, or $2,750 for the 20 Seat-Licensesingle, or $2,750 for the 20 Seat-License

Reader Agent Model in Reader Agent Model in ARENAARENA

Arrival/Source Queue Server Departure

The Arrival/Source comes from either a The Arrival/Source comes from either a input from a file or one generated by datainput from a file or one generated by data

Queue is where the entity waits for a free Queue is where the entity waits for a free serverserver

Server is where a delay happens or where Server is where a delay happens or where a process is supposed to take placea process is supposed to take place

Departure is where the entity exits the Departure is where the entity exits the modelmodel

ResultsResults ARENA is a powerful software simulation ARENA is a powerful software simulation

product.product. It is too reliant on timing for it to be of any use It is too reliant on timing for it to be of any use

in the hospital inventory location problem.in the hospital inventory location problem. It is my thought that one could solve the It is my thought that one could solve the

problem using Java to create a GUI that can use problem using Java to create a GUI that can use 2-D mapping and sections to code a program 2-D mapping and sections to code a program such that it searches through tag reads and such that it searches through tag reads and finds the last read for each item based on a finds the last read for each item based on a day-by-day basis that is maintained over long day-by-day basis that is maintained over long periods of time. periods of time.

What should be left for the next day is a list of What should be left for the next day is a list of all current inventory items, with unique IDs for all current inventory items, with unique IDs for each item, and its last known read/location. each item, and its last known read/location. This can then be used to map the hospital using This can then be used to map the hospital using floor plans.floor plans.

How ARENA Relates to How ARENA Relates to TagCentricTagCentric

ARENA relates to TagCentric through the ARENA relates to TagCentric through the spreadsheet data gathered by a reader. spreadsheet data gathered by a reader.

The output that ARENA creates can then The output that ARENA creates can then be used to evaluate a given process and be used to evaluate a given process and that subsequent data can be used to that subsequent data can be used to determine how one can improve on the determine how one can improve on the current process.current process.

Data can then be reread and enter and Data can then be reread and enter and then reevaluated by the ARENA software then reevaluated by the ARENA software many times until a desired conclusion is many times until a desired conclusion is the result.the result.

Future WorkFuture Work

SDC/Capstone or Middleware, year SDC/Capstone or Middleware, year longlong

Simulation class offered by the Simulation class offered by the Industrial Engineering department and Industrial Engineering department and taught by Dr. Rossetti.taught by Dr. Rossetti.

Book Recommends: ProModel, Book Recommends: ProModel, Witness, AutoMod, and FlexsimWitness, AutoMod, and Flexsim

SourceForge Recommends: OMNeT+SourceForge Recommends: OMNeT++, SimPy Simulation Package, Fungus +, SimPy Simulation Package, Fungus Agent Simulator, and SimToolAgent Simulator, and SimTool

Demo Reader ModelDemo Reader Model