In article <xS2Tu0V.swannp at delphi.com>, Patrick G Swann
<swannp at delphi.com> writes:
VisSim (Visual Solutions Software, Conneticut - I cannot be more specific
at the the moment) is a general systems modelling package that should
easily handle what you propose. They have a bioreactor application as one
of the example files included with the program.
andrew_young at amylin.com or AAYoung at aol.com