Search found 4 matches

by "Prof. Dr. Niall Palfreyman"
Fri Nov 21, 2003 3:18 pm
Forum: SD Mailing List Archive
Topic: What do you mean by the term mental model?
Replies: 5
Views: 13306

What do you mean by the term mental model?

3 "Thompson, James. P (Jim) A142" schrieb: > I would be interested to learn what practitioners of system dynamics mean by > the term mental model. If you refer to a written authority, I would > appreciate learning what your reference source is. Kenneth Craik ("The Nature of Explanatio...
by "Prof. Dr. Niall Palfreyman"
Fri Oct 31, 2003 4:38 pm
Forum: SD Mailing List Archive
Topic: SD and Petri nets
Replies: 0
Views: 2280

SD and Petri nets

Hi, Im looking at ways of modelling biological systems, and Im currently comparing S&D diagrams with (coloured and functional) Petri nets. I wanted to ask: does anyone have any practical experience comparing these two tools for a single modelling task? Do you have any tips about aspects which ar...
by "Prof. Dr. Niall Palfreyman"
Fri Sep 05, 2003 11:01 am
Forum: SD Mailing List Archive
Topic: Evolution of Language?
Replies: 7
Views: 6039

Evolution of Language?

"Martin F. G. Schaffernicht" schrieb: > But maybe someone in the System Dynamics Community has worked on this > subjet before? In this case I would be grateful if you can give me some > hints. Im afraid I cant give any hints, because my thinking is not yet far enough advanced, but I can te...
by "Prof. Dr. Niall Palfreyman"
Fri Jun 27, 2003 1:58 pm
Forum: SD Mailing List Archive
Topic: Question on nonconserved flows
Replies: 2
Views: 3365

Question on nonconserved flows

Hello, part of my work involves the mapping of chemical reactions, and there a phenomenon often crops up which is only awkwardly representable in Stella. To take an example: let us suppose that 100 atoms of oxygen interact with 200 atoms of hydrogen to produce 100 atoms of water. On the face of it t...