Category: News

Vensim 6.4 Released.

Get It Vensim 6.4 is available for download or purchase in the Vensim Store. Upgrades are easy – just visit the download page and enter your license key information. PLE is always free for noncommercial use, and the Model Reader is free for redistribution of any model. What’s New? Optimization improvements Sensitivity simulation improvements

Ventity Beta Available

The public beta of Ventity, new simulation software, is now available – we’ve just uploaded the latest (build 573). Get it at https://www.ventity.biz Ventity is new simulation software for complex systems. Key benefits include: Modularity and object orientation, supporting sectors and complex agents, without arcane arrays Dynamic creation and deletion of model components and relationships […]

New SDM-Doc version

SDM-Doc is a nice open source tool for documenting system dynamics models. The latest version runs in Java and provides new functionality. See the Workbench for a link: SDM-Doc/Java The Java version provides a superset of the .NET capabilities (expect for the display of stock and flow diagrams). Among the additional capabilities are: SDM-Doc/Java (ver […]

2015 Dana Meadows Award

The 2015 Dana Meadows Award goes to Mohammad Jalali, Armin Ashouri Rad, Oscar Herrera-Restrepo and Hui Zhang for Information Diffusion through Social Networks: the Case of an Online Petition. People regularly use online social networks due to their convenience, efficiency, and significant broadcasting power for sharing information. However, the diffusion of information in online social networks […]

Vensim 6.3D Released

Get It Vensim 6.3D is available for download or purchase in the Vensim Store . Upgrades are easy – just visit the download page and enter your license key information. PLE is always free for non-commercial use, and the Model Reader is free for redistribution of any model. What’s New? This is primarily a maintenance […]

Vensim 6.3 Released

Vensim 6.3 is available for download or purchase in the Vensim Store. 6.3 emphasizes engine improvements that keep Vensim #1 when it comes to industrial strength simulation. There are also some usability upgrades, like better number formatting and placement of the workbench variable in the bottom status toolbar.

Fall Sale through November

Fall Sale – 20% off Vensim, through the end of November 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 end of November 2013. […]

2013 ISDC User’s Group Presentation

We’re pleased to share our presentation from the Vensim User’s Group meeting at the 2013 International System Dynamics Conference in Cambridge. The highlight of most immediate interest is the imminent release of Vensim 6.4, which runs in 64 bit mode, permitting models to address much more memory. An alpha version is already running on our computers.

C-ROADS Applications Prize

Congratulations to the C-ROADS team for winning the System Dynamics Society’s Applications Prize! Left to right: John Sterman (MIT Sloan), Phil Sawin, Drew Jones, Lori Siegel (CI), Tom Fiddaman (Ventana), Travis Franck (CI), Erich Zahn & Jack Homer (for the Society). Not shown: Beth Sawin (CI) and numerous other collaborators and partners who made the […]

Vensim 6.0b Released

Release Version 6.0b includes new CSV data I/O functionality and several bug fixes.

Vensim 6.0a released

Release Version 6.0a includes fixes for several minor problems introduced with new features in Version 6.0. These include: See the full release notes.

Vensim 6 Interface

A quick tour of the new look of the Vensim 6 tools and equation editor:

Vensim 6 released

Version 6.0 introduces a new look and new features, along with many bug fixes. See the full release notes and video introduction.