<P> In the physical sciences, a traditional mathematical model contains most of the following elements: </P> <Ol> <Li> Governing equations </Li> <Li> Supplementary sub-models <Ol> <Li> Defining equations </Li> <Li> Constitutive equations </Li> </Ol> </Li> <Li> Assumptions and constraints <Ol> <Li> Initial and boundary conditions </Li> <Li> Classical constraints and kinematic equations </Li> </Ol> </Li> </Ol> <Li> Supplementary sub-models <Ol> <Li> Defining equations </Li> <Li> Constitutive equations </Li> </Ol> </Li> <Ol> <Li> Defining equations </Li> <Li> Constitutive equations </Li> </Ol>

How to develop mathematical model of any process