PEER and NEESit will be hosting OpenSees Days 2008 at the UC Berkeley Field Station on September 8'th and 9'th 2008.

Registration is free, lunch is provided, but space is limited to the first 100 applicants.

You can register and see more details here

Version 2.0.0 of the OpenSees binary is now available for download. Here is the change log. Two OpenSees interpreter applications for parallel processing on multi-core and cluster machines have been made available. Information can be found on the Parallel Webpage . Welcome to the website for OpenSees, a software framework for developing applications to simulate the performance of structural and geotechnical systems subjected to earthquakes.

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.

More info...

For information about new releases we encourage you to register with us at the OpenSees Registration Center.

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opensees-support @ berkeley.edu

Supported by the National Science Foundation