Drifting Goals Stock & Flow Simulation model.  @ LinkedIn ,  Twitter ,  YouTube

Drifting Goals Stock & Flow Simulation model.

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The Home Heating System can be used to demonstrate how we get caught in dilemmas and become victims of ourselves. @ LinkedIn ,  Twitter ,  YouTube
The Home Heating System can be used to demonstrate how we get caught in dilemmas and become victims of ourselves.
Thoughts on why storytelling is critical for enabling others to understand relationship models once they're developed. This was done for Deeanna Burleson Topics in Systems Science Apr 2019.   Video   @ LinkedIn ,  Twitter ,  YouTube
Thoughts on why storytelling is critical for enabling others to understand relationship models once they're developed. This was done for Deeanna Burleson Topics in Systems Science Apr 2019.
 Simple bathtub model to show the difference between Stock and Flow. Run the model with various values for filling and draining to see the implications.  @ LinkedIn ,  Twitter ,  YouTube

Simple bathtub model to show the difference between Stock and Flow. Run the model with various values for filling and draining to see the implications.

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 Relative Control is one of the four generic archetypes developed by Eric Wolstenholme and maps to the Balancing Loop with Delay, Indecision, Limits to Results, Drifting Goals and Escalation Systems Archetypes.   SystemsWiki's Musings

Relative Control is one of the four generic archetypes developed by Eric Wolstenholme and maps to the Balancing Loop with Delay, Indecision, Limits to Results, Drifting Goals and Escalation Systems Archetypes.

SystemsWiki's Musings

 From Jay Forrester 1971 book  World Dynamics , the earlier, simpler version of the  World 3   Limits to Growth Model . Adapted by  Geoff McDonnell  from  Mark Heffernan's  ithink version at  Systemswiki.org .  @ LinkedIn ,  Twitter ,  YouTube

From Jay Forrester 1971 book World Dynamics, the earlier, simpler version of the World 3 Limits to Growth Model. Adapted by Geoff McDonnell from Mark Heffernan's ithink version at Systemswiki.org.

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13 10 months ago
The Sensitivity Analysis option allows you to develop a sense of the extent to which some part of the model is affected by changes in some other part of the model. I think you'll find the approach to implementing Sensitivity Analysis rather straightforward and powerful at the same time. @ LinkedIn ,
The Sensitivity Analysis option allows you to develop a sense of the extent to which some part of the model is affected by changes in some other part of the model. I think you'll find the approach to implementing Sensitivity Analysis rather straightforward and powerful at the same time.
Basic Stock & Flow models for use in Systemic Perspective video. @ LinkedIn ,  Twitter ,  YouTube
Basic Stock & Flow models for use in Systemic Perspective video.
This is my first attempt at creating a simple Agent Based Simulation Model. Nothing fancy, just something that works. @ LinkedIn ,  Twitter ,  YouTube
This is my first attempt at creating a simple Agent Based Simulation Model. Nothing fancy, just something that works.
Comparison of scalar and vector version of the rabbit population model. @ LinkedIn ,  Twitter ,  YouTube
Comparison of scalar and vector version of the rabbit population model.
At this stage it is essential to understand and admit that the task at hand completely overwhelms the current methods. The way forward lies in realizing the essential nature of collaboration and the need for an integrated tool set to support collaboration. Even with that as the realization, current
At this stage it is essential to understand and admit that the task at hand completely overwhelms the current methods. The way forward lies in realizing the essential nature of collaboration and the need for an integrated tool set to support collaboration. Even with that as the realization, current understanding indicates that the integrated tool set necessary to support the needed collaboration simply does not exist. And, not only does it not exist, it is most likely beyond the resources of any one vendor to provide it if they wished. So what are the options?
All the insights you create will be with components from the Add Primitive menu and they will be connected together with Flows/Transitions or Links. @ LinkedIn ,  Twitter ,  YouTube
All the insights you create will be with components from the Add Primitive menu and they will be connected together with Flows/Transitions or Links.
When one undertakes to create a model there are a number of guidelines that are considered essential for consideration if there is to be a success with the model. @ LinkedIn ,  Twitter ,  YouTube
When one undertakes to create a model there are a number of guidelines that are considered essential for consideration if there is to be a success with the model.
The predicament forcing us toward virtual collaboration and our learning about relationships is hopefully encouraging us toward the systemic perspective. @ LinkedIn ,  Twitter ,  YouTube
The predicament forcing us toward virtual collaboration and our learning about relationships is hopefully encouraging us toward the systemic perspective.
 Population Growth in an Agrarian Society with the addition of Deaths and Food Consumption.  @ LinkedIn ,  Twitter ,  YouTube

Population Growth in an Agrarian Society with the addition of Deaths and Food Consumption.

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While all things are related for a particular situation all things are not relevant. We need to develop a simplified model of reality which depicts those interactions which are responsible for the patterns of behavior and current situation. We want the simplest model which enables the requisite unde
While all things are related for a particular situation all things are not relevant. We need to develop a simplified model of reality which depicts those interactions which are responsible for the patterns of behavior and current situation. We want the simplest model which enables the requisite understanding. This is no easy task though.
The model construction process is actually a balancing loop which endeavors to employ an abstract version of real events to form a model which produces conclusions and behavior which mimic the real events. @ LinkedIn ,  Twitter ,  YouTube
The model construction process is actually a balancing loop which endeavors to employ an abstract version of real events to form a model which produces conclusions and behavior which mimic the real events.
 This model depicts the relationship responsible for a declining sales goal scenario. This is an example of a Drifting Goals Systems Archetype.  Keep as an example of what we had to do before Storytelling?  @ LinkedIn ,  Twitter ,  YouTube

This model depicts the relationship responsible for a declining sales goal scenario. This is an example of a Drifting Goals Systems Archetype.

Keep as an example of what we had to do before Storytelling?

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Are there environmental/physical limits to humanity? Based on the  Are There Limits?  blog post by Tom Fiddaman. @ LinkedIn ,  Twitter ,  YouTube
Are there environmental/physical limits to humanity? Based on the Are There Limits? blog post by Tom Fiddaman.
The issue of increasing private and government debt to banks is a major
concern after the financial crisis of 2008 (see Figure at link given below). In order to
understand why our society and government is increasingly indebted to banks we
need to understand how our current money system works and wh
The issue of increasing private and government debt to banks is a major concern after the financial crisis of 2008 (see Figure at link given below). In order to understand why our society and government is increasingly indebted to banks we need to understand how our current money system works and why we need a continuous infusion of new money in a growing economy. “Why We Are Increasingly Indebted To Banks?” investigates the reasons behind this and suggest a possible solution.
 A spatially aware, agent based model of disease spread. There are three classes of people: susceptible (healthy), infected (sick and infectious), and recovered (healthy and temporarily immune).  @ LinkedIn ,  Twitter ,  YouTube

A spatially aware, agent based model of disease spread. There are three classes of people: susceptible (healthy), infected (sick and infectious), and recovered (healthy and temporarily immune).

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While these pictures represent very different things there is a common essence. @ LinkedIn ,  Twitter ,  YouTube
While these pictures represent very different things there is a common essence.
A random walk demonstration using an ABM. As individuals drink more they become more intoxicated and their walk becomes more random. And when they drink to much it finally kills them. @ LinkedIn ,  Twitter ,  YouTube
A random walk demonstration using an ABM. As individuals drink more they become more intoxicated and their walk becomes more random. And when they drink to much it finally kills them.