The goal of the OpenSees development is to improve the modeling and computational simulation in earthquake engineering through open-source development.
OpenSees is under continual development, so users and developers should expect changes and updates on a regular basis. In this sense, all users are developers so it is important to register. More information on Open Source is available.
The development and application of OpenSees is sponsored by the Pacific Earthquake Engineering Research Center through the National Science Foundation engineering and education centers program.
OpenSees has been selected as the simulation component for the George E. Brown, Jr. Network for Earthquake Engineering Simulation and has being sponsored by NEESit since 2004. Ongoing work to integrate OpenSees into the NEESit framework includes a web-based portal for simulation services, access to the NEESit data repository, and a visualization tool.
| 2009-01-16 | OpenSees Version 2.1.0 Released |
| 2008-04-22 | Version 2.0.0 Released |
| 2008-04-18 | Parallel OpenSees Applications |
| 2007-12-06 | Version 1.7.5 Released |
| 2007-08-10 | Version 1.7.4 Released |
| 2006-12-01 | New Examples Manual released. |
| 2006-09-01 | Version 1.7.3 Released. |
| 2008-09-08 | OpenSees Days 2008 |
| 2008-04-18 | OpenSees Parallel Workshop |
| 2008-02-22 | Hybrid Simulation Workshop |
| 2007-06-27 | OpenSees Days 2007 |
| 2007-03-26 | Hybrid Simulation Workshop |
| 2006-09-16 | OpenSees Symposium |
| 2006-09-15 | OpenSees Developer Workshop |

