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The objective of mathematical modeling is the development of sets of quantitative (mathematical) expressions that capture the essentials aspects of an existing system. A mathematical model can assist in understanding the complex physical interactions in the system and the causes and effects between the system variables. The state equation forming the mathematical model defines a relationship between the state variables (dependent variables) and the independent variables, i.e., time and spatial variables of the system. These equations are derived, from applying the conservation law for a specific fundamental quantity say S, on a specific system with defined boundaries. The quantity S can be any one of the following quantities: · Total Mass · Component Mass (Mole) · Total Energy · Momentum A simulation is the process of using a model to study the behavior and performance of an actual or theoretical system. The purpose of a simulation is to study the characteristics of a real-life or fictional system by manipulating variables that cannot be controlled in a real system.