3. Simulation Model
3.1. Software Platform Selection
There are many DES software packages that are commercially available, and some of the more popular ones include Arena, Extend, Flexsim, Process Simulator, SimEvents, and Simio. While most of these are standalone
Simulink environment. The Simio model is visualized in a three-dimensional virtual environment, and this is useful when studying problems with spatial components. There are also open-source projects such as OMNeT++, PowerDEVS, Simkit, SimPy, and SystemC.