Search found 2 matches

by Roderick
Wed Mar 18, 2020 2:16 am
Forum: Vensim
Topic: Vensim PLE MAC v8 unstable on student machine.
Replies: 12
Views: 6383

Re: Vensim PLE MAC v8 unstable on student machine.

I use Vensim all the time to develop models for clients. I use a Mac, but run the Windows version of Vensim. I do this with Crossover for the Mac by Codeweavers. Vensim runs fund and the Corssover software is not too expensive, does not require Windows, and does not take up any space. You can find C...
by Roderick
Sun Dec 23, 2012 5:08 pm
Forum: System Dynamics Discussion
Topic: Loop formation as par system dynamics theory
Replies: 4
Views: 5232

Re: Loop formation as par system dynamics theory

Hello You certainly have two feedback loops in your model. You have a positive feedback loop going from Bank Money to Interest and a negative feedback loop from Bank Money to Withdraw. I would suggest that the Rate and Rate Withdraw be values less than 1. Actually, they are probably much less than 1...