But the components are also integral to one another and take turns influencing one another. The propellant's shape is changed by the pressure of the gases, and then the pressure is altered due to the new shape of the propellant. The result is a model that properly captures not only the processes but also their interplay. CSAR recently had NCSA's 256-processor Origin2000 all to themselves for their first game away from the practice field. Though the amount of time was incredibly brief and some complicating factors such as turbulence were not considered, the model was significantly more complex and higher in resolution than any other coupled model they had ever created.
Interesting things happen in the very, very beginning.
This is when things tend to go wrong.