>Does anyone here have experience with ODE solvers that can handle
>hundreds or even thousands of state variables? Has anyone explored the
>computability questions surrounding such large systems?
>>Regards,
>Bob
In petrochemical technology there's been work with large mixtures and
reaction sets, but there a technique called 'lumping' is used where
groups of compounds (eg, in a mol. weight range) are treated as one
variable.
In stiff systems, the fast dynamics can often be treated as pseudo-
steady-state.
-Paul
schlosser at ciit.org
