Ventity 5.2 Release, MIT SD Alumni & Tariff Simulation Event
Ventity 5.2 Release Ventity 5.2 has just been released. You can download a copy with a 60-day evaluation license, or update your existing copy. 5.2 is primarily a performance upgrade, with parallel execution of sensitivity runs and improved savelists for managing sensitivity output. There are also some nice usability improvements, like duplication of Actions, as […]
Ventity 5.2 Release
Feature Enhancements Performance and Usability Bug Fixes
Ventity 5.1 Release
Ventity 5.1 adds new features including Run Lists, Style Overrides, and options to hide run-time warnings. This version also supports the use of entities created during the simulation by sensitivity and optimization parameters. See the help for more details.
What’s New @ ISDC 2024
Video from the Ventana Systems vendor demo/user group session at the 2024 System Dynamics conference in Bergen. See also: the new workshop video.
Ventity 5 Release
Ventity 5 is now available with some great new features and many refinements. You can update here. Model Maps Maps show the relationships among entities, collections, and actions. You can create multiple maps to highlight particular features or focus on single entities. Perpetual Licensing We’ve moved away from the subscription model to a perpetual license. A […]
Ventity 4.9 Release
Ventity 4.9.1 is now available from the download page (if you need a trial license) or the update page (if you don’t). 4.9.1 is a minor maintenance release that improves trapping and messages for generated code errors, fixes a file format issue with the 3D visualizer, and corrects a rare action issue. 4.9 is a major release, with many improvements. Per […]
What’s New 2022?
News on Vensim and Ventity from our User Group/Demo session at the 2022 System Dynamics Conference:
Ventity 4.8 Release
Release 4.8 is primarily an under-the-hood upgrade, with enhanced performance and functionality supporting use of large models in embedded systems. Contact us if this application is of interest. There are also bug fixes and minor usability improvements, including: Digital signing in the installer has been improved, which resolves issues with failure of the application to start up.
Vensim/Ventity Releases & News, April 2022
1. Spring sale sale, through May 20th 2022 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 mid-May 2022. Ventity subscriptions continue to be inexpensive […]
Ventity 4.7 Release
This build contains a variety of improvements to interface and simulation engine components. New features include: One major feature, not visible to most users, is enhanced support for the Windows Service and embedded uses of Ventity. Contact Ventana for details. There are many minor improvements and bug fixes.
Vensim 9 launch sale, Ventity release and System Dynamics Society Seminar Series.
1. Vensim 9 2. Vensim 9 launch sale, throughout the month of August 2021 3. Ventity 4.6 4. System Dynamics Society Seminar Series, Introduction to Modeling Process – Nici Zimmermann, August 18th 2021 5. Online courses 6. Applications 7. In the Forum 8. System Dynamics Conference News 9. Resources for Vensim users 10. Our official […]
Ventity 4.6 Beta
The Ventity 4.6 beta is primarily an under-the-hood performance enhancement, with a few bug fixes and feature improvements as well. The primary feature enhancements are to Process List actions, making it easier to restrict the number of iterations, and much faster to make small randomized selections from large entity collections. This version is stable in use, but […]
Ventity 4.5 Release
Ventity 4.5 is now available for download or upgrade. There are some further performance improvements over 4.4, as well as a few critical bug fixes to the Initial() and DelayInformation() functions. A number of minor bugs have been fixed as well, including the occasional tendency of autocomplete to delete left parentheses when adding variables to an expression. Overall […]
Doing Classic SD in Ventity
Ventity extends the System Dynamics paradigm with a number of features that enable dynamic cohorts, agents, networks and other hybrid simulation features. However, Ventity is pretty great for simple, aggregate dynamic models, too. You don’t need to know about its advanced features to put the entity architecture to good use by automating suites of policy […]
Ventity 4.4 release
This is a full version 4 release. There are no major new features beyond the many introduced in the v4 beta. The emphasis is on speed and memory improvements in the simulation engine. Diagram tool behavior is a little more Vensim-like, with fewer clicks required to accomplish some tasks, and the toolbar now includes a pointer […]
Ventana news – Vensim 8.2 (including Apple M1 processor support) & Ventity releases
Ventana Systems NewsVensim 8.2 including Apple M1 processor supportForum daily digestsVentityOnline coursesApplicationsIn the ForumSystem Dynamics Conference NewsResources for Vensim usersOur official distributors Ventana Systems News Ventana is working on a number of applications that combine models and data to analyze strategies in complex systems: A state COVID19 response model that interprets test statistics and facilitates […]
Ventity 4 beta release
This is a preliminary version 4 release. In addition, there are many minor usability enhancements and bug fixes.
Community Coronavirus Model
This video explores a simple epidemic model, parameterized for a community confronting coronavirus. The video is in Vensim, but we’ve now translated the model to Ventity: Community corona 8.zip There’s another copy at metasd.com, where you can share comments. Also, check back here for updates to the model and a companion video, to be released soon.
Ventity 3.0.2 Released
This is a minor maintenance release. See the Release Notes for details. Download a new copy, or update your existing software.
September newsletter, Ventana news – Vensim 8 & Ventity 3 releases
1. Vensim 8 2. Vensim 8 launch sale, throughout the month of September 2019 3. Ventity 3 4. Online courses. 5. Applications 6. In the Forum. 7. System Dynamics Conference News. 8. Resources for Vensim users. 9. Our official distributors 1. Vensim 8 Release Vensim 8 has been released. It’s is now fully 64 bit […]
Ventity 3.0.1 Released
This is a minor maintenance release, but it brings substantial improvements to the beta GIS visualizer. See the Help System for details.