SYST611_ Systems Methodology and Modeling _1 - Classweb

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SYST611_ Systems Methodology and Modeling _1 - Classweb Powered By Docstoc
					Department of Systems Engineering
George Mason University

SYST680: Principles of C3I #8a
Models and Simulations – System
  Dynamics Animated Model

             Dr Rob Alexander




                      1
           System Dynamics Modeling
• An approach to understanding
  the behavior of complex
  systems over time:
   Models internal feedback loops and
   time delays that affect the behavior of
   the entire system.
• Created ca.1950s by Professor
  Jay Forrester of MIT
• Applications:
   •   Population, ecological and
       economic systems
   •   Management applications
   •   System design
   •   Generally, complex systems with
       feedback.
• Example:
   •   Model of new product adoption             For animated version of this model, see
       (ref: John Sterman 2001)                  SD_animated_model.pptx



                                             2
    System Dynamics Modeling

• Note the interactions between potential adopters,
  current adopters, and adoption rate




                              For animated version of this model, see
                              SD_animated_model.pptx



                          3
       System Dynamics Modeling
• By studying the model, various relationships can be derived:




                                                For animated version of
                                                this model, see
                                                SD_animated_model.pptx




                             4

				
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posted:5/7/2013
language:English
pages:4