Ventana software support forum

Thanks for the replies for my previos question ( sbj : Vensim <-> Excel ) Hope I can get the same interest and help for that one too.

I want to integrate Systems Dynamics (SD) and Discrete Event Simulation(DES). I plan to use Vensim for the SD side. and aim to handle the dynamic data integration on Excel s.sheet. Time synchronization seems to be a problem.

- Can I start Vensim sim. from Excel
- Can I generate an external timer ( maybe with VB ) and make Vensim to use that rather than its own clock.

Would appreciate any hint that may help me to handle this time synchronization problem between Vensim and Simul8.

Thanks

Excel would be a very poor choice for this type of integration. If you are trying to have Vensim do a run in response to a Simul8 event then you should call Vensim directly from Simul8 (eitehr via DDE or the DLL). If you you are trying to have Simul8 simulate some activity during a Vensim run you should call Simul8 from vensim using an external function.

If you really want an intermediat layer than use VB, C++ or Java with the Vensim DLL.