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Explore powerful simulation algorithms for System Dynamics and Agent Based Modeling. Use System Dynamics to gain insights into your system and Agent Based Modeling to dig into the details. Types of Modeling

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Explore What Others Are Building

Here is a sample of public Insights made by Insight Maker users. This list is auto-generated and updated daily.

Insight diagram
The goal seeking structure endeavors to bring a balance between a current state and a desired state. This is one of the two foundation archetypes. The other being the growth structure. See also Archetypes.

Video * Trilogy

Goal Seeking
Profile photo Gene Bellinger
26
Insight diagram

Here we have a basic SEIR model and we will investigate what changes would be appropriate for modelling the 2019 Coronavirus 

SEIR Infectious Disease Model for COVID-19
Profile photo Rolf Häsänen
677 4 months ago
Insight diagram

Spreadsheets as 
System Dynamics Language: Unlocking Model Translation with AI

Spreadsheets are everywhere. Yet we rarely think of them as modeling languages.

In this presentation, I share a core idea that has been shaping my recent work:

👉 When rigorously structured, spreadsheets already encode stocks, flows, variables, parameters, and causal relationships.

In that sense, they can be understood as a Domain-Specific Language (DSL) for System Dynamics.

Building on this perspective, I explore how Large Language Models (LLMs) can act not as black boxes, but as reliable semantic translators, converting structured spreadsheets into formal System Dynamics models - while preserving structure, meaning, and traceability.

This is not just a technical contribution. It has broader implications for:

  • communication among system modelers,

  • model reproducibility and auditability,

  • education,

  • and dialogue between research, policy, and practice.

📎 Here is the presentation e here is the spreadsheet with original data.

I would be very interested in hearing feedback, critiques, and related experiences.

This feels like an early step toward a future in which models can truly “talk” to each other, regardless of their original language.

Prof. Dr. Paulo Villela
villela.paulo@gmail.com
linkedin.com/in/paulovillela/

Storytelling: Spreadsheets as System Dynamics Language
Profile photo Paulo Villela
3 2 weeks ago
Insight diagram
Summary of Daniel Kim's System's Thinker article What is your organization's core theory of success?
See also Barry Richmond's Systems Thinking Insight and Cross Functional planning Success IM
Core Theory of Success
Profile photo Geoff McDonnell
5
Insight diagram
Spring, 2020: in the midst of on-line courses, due to the pandemic of Covid-19.

With the onset of the Covid-19 coronavirus crisis, we focus on SIRD models, which might realistically model the course of the disease.

We start with an SIR model, such as that featured in the MAA model featured in
https://www.maa.org/press/periodicals/loci/joma/the-sir-model-for-spread-of-disease-the-differential-equation-model

Without mortality, with time measured in days, with infection rate 1/2, recovery rate 1/3, and initial infectious population I_0=1.27x10-4, we reproduce their figure

With a death rate of .005 (one two-hundredth of the infected per day), an infectivity rate of 0.5, and a recovery rate of .145 or so (takes about a week to recover), we get some pretty significant losses -- about 3.2% of the total population.

Resources:
  1. http://www.nku.edu/~longa/classes/2020spring/mat375/mathematica/SIRModel-MAA.nb
  2. https://www.maa.org/press/periodicals/loci/joma/the-sir-model-for-spread-of-disease-the-differential-equation-model
Coronavirus: A Simple SIR (Susceptible, Infected, Recovered) with death
Profile photo Andrew E Long
62
Insight diagram
This simulation allows you to compare different approaches to influence flow, the Flow Times and the throughput of a work process.

By adjusting the sliders below you can 
  • observe the work process without any work in process limitations (WIP Limits), 
  • with process step specific WIP Limits* (work state WIP limits), 
  • or you may want to see the impact of the Tameflow approach with Kanban Token and Replenishment Token 
  • or see the impact of the Drum-Buffer-Rope** method. 
* Well know in (agile) Kanban
** Known in the physical world of factory production

The "Tameflow approach" using Kanban Token and Replenishment Token as well as the Drum-Buffer-Rope method take oth the Constraint (the weakest link of the work process) into consideration when pulling in new work items into the delivery "system". 

You can also simulate the effects of PUSH instead of PULL. 

Feel free to play around and recognize the different effects of work scheduling methods. 

If you have questions or feedback get in touch via twitter @swilluda

The work flow itself
Look at the simulation as if you would look on a kanban board. 

The simulation mimics a "typical" software delivery process. 

From left to right you find the following ten process steps. 
  1. Input Queue (Backlog)
  2. Selected for work (waiting for analysis or work break down)
  3. Analyse, break down and understand
  4. Waiting for development
  5. In development
  6. Waiting for review
  7. In review
  8. Waiting for deployment
  9. In deployment
  10. Done
Kanban Board Simulation - WIP Limit, Tameflow Kanban Token and Drum-Buffer-Rope
Profile photo Stefan Willuda
17