Advantages of Freeware-based Simulation Tools for Technical and Technological Modeling

The article is devoted to the development and application of a simulation tool based on the C++ programming language with pure functions and implemented in a freeware programming environment. The paper defines the most important function methods (methods of classes), such as time advance and response to it. The authors give examples of successes of this tool for both technological chain modeling and human-computer interface (man-machine system) modeling. In the latter case, the facility of the model allows one to consider the employees' individual features while their activity planning. The researchers explore the efficiency depending on the depth value of the polling model, which directly affects modeling time and simulation error. It is proved that there is no necessity for a large survey depth when an input error is reasonable. Therefore, it takes quite reasonable simulation time. It is also reasonable for the authors to suppose about the limits of the designed tool application.