Vensim 7 is available for download or purchase in the Vensim store. This includes several significant new features, including: – Interactive sensitivity runs in Synthesim – Percentile export for sensitivity runs – Calibration payoffs can now compare model variables to … Continue reading
In Vensim 7, we’ve combined real-time Synthesim with sensitivity analysis, so you can see the distribution of outcomes from Monte Carlo runs interactively. This is great for giving users an appreciation of the risk associated with a decision, rather than … Continue reading
Vensim can be used to put big data in context, by incorporating the learnings from big data in simulations that account for organizational structure and finances. Vensim can also do data intensive simulation, with flexible I/O, advanced algorithms for calibration, … Continue reading
It’s generally a good idea to begin thinking about your models with continuous time and quantities, particularly for strategic applications where you care about the big picture. But there are times when it matters that quantities are discrete – you … Continue reading
If you’ve been waiting to move to the premier dynamic modeling tool, or to extend your maintenance and upgrade to the latest version of Vensim, now is a great time. All Vensim editions are on sale, 20% off, through the … Continue reading
We at Ventana Systems sadly mark the passing of Jay Forrester, pioneer in servomechanism control, digital computing, System Dynamics and global modeling. We hope that our tools and our work may carry on in Jay’s spirit, to help people better … Continue reading
The latest version of Climate Interactive‘s award-winning C-ROADS climate change policy simulator, powered by Vensim, is available at https://www.climateinteractive.org/tools/c-roads/ You can run the simpler World Climate version online, in a nice browser interface:
The Millennium Institute (MI) is pleased to announce the release of Version 1.2 of the Integrated Sustainable Development Goals planning model (iSDG). The iSDG is a comprehensive simulation tool developed with Vensim that generates country-specific development scenarios to show the … Continue reading
Energy Innovation has a cool new simulator that lets users explore what it takes to achieve energy and emissions targets, in detail. The simulator is online with a custom HTML5 interface that runs a Vensim model on servers using the … Continue reading
This video shows several ways to build causal loop diagrams in Vensim. We start simple with Vensim PLE, and then illustrate some additional features, like navigation links, that are possible in DSS. The first ten minutes should have you up … Continue reading
