Mini Model by whom? by naddicott@d*

SDS Seminar 24 - Qualitative Modeling of the example of desalination in Portugal by Kai Neumann

just the beginning of a model for a seminar for the System Dynamics Society: https://www.linkedin.com/feed/update/urn:li:activity:7162906265629765632/ Objective As a consequence of climate change many reasons face a growing lack of drinking water as well as water for agriculture. One option seem to be desalination plants but they are heavily disputed. The objective of the model is to find levers to secure the availability of drinking water. Participants ... Time short - this summer medium - next three ye...

Matching data example - calibrating a model by Kai Neumann

While listening to a presentation on the ISDC2023 where they showed a sophisticated way of calibrating parameters of a model to real data I decided to offer a simple solution using the iMODELER's iM-Optimizer. The idea is to minimize the deviation of the model results from the real data using a range() for all variable parameters. Simple as that though of course it also has some limitations.

Mini Model on Green Investments by Kai Neumann

a very small model showing the major levers as they turned out in larger models on know-why.net

Meeting Model by frahm@k*

Altes Bessere Welt Modellchen by Kai Neumann

Mini model international competitiveness eco technology by Kai Neumann

Just a small model on the competitiveness of eco technology and the effect of regulations that demand more eco friendly technologies.  Feel free to use the model to provide a more differentiated model.

Collaborative World Model for the iBooks Readers by Kai Neumann

This is the collaborative model linked in the latest version of the interactive eBook (available from the Apple iBooks Store). Give it a try and add to it using what you have learned from the exercises from the iBook.

Feed the world - qualitative model on the arguments by Kai Neumann

I was recently preparing my contribution to the  System Dynamics Conference presenting our comprehensive quantitative GLU Model (global land use). At the same time I am repeatedly  confronted with the argument that in order to save the world we need industrialized farming with the use of pesticides, fertilizer, and high precision farming, because otherwise we would not have enough yields to feed the world and thus would need more deforestation. Well, while the quantitative model shows that without major ...

World economy mini model by Kai Neumann

a model for the English KNOW WHY book