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Time constants

Posted: Fri Feb 05, 2010 7:14 pm
by Nabil
Hi

Please help me with this issue.
The flow from some of the stocks in the model consists of three factors say ABC where A and B represent levels(unit individuals) and C is 1/(invidual*month). C is of the order of 0.001 and the smallest time step setting is larger than this value, is that a problem, or is it (BC) that counts. I have tried different time steps and the error message appears first when the time step is 0.125 but below that the curves look the same

Thanks

Nabil

Posted: Sat Feb 06, 2010 11:06 am
by bob@vensim.com
Hi Nabil,

I don't really understand your question, but all flows need to have the same units of measurement. If they do not, there is a formulation error.

What is the error message you are seeing?

Posted: Sat Feb 06, 2010 3:58 pm
by Nabil
Hi Bob
Sorry I mixed things up, I realised that after sending the mail, the message is warning for overflow, thanks any way

All the best

nabil