OpenSees is a software framework for developing applications to simulate the performance of structural and geotechnical systems subjected to earthquakes. A number of OpenSees …

OpenSees executables are available for download. The current version has been tested and is generally stable. However, users may encounter problems when running a new problem for …

OpenSees is an open-source software framework for earthquake engineering simulation developed by UC Berkeley.

Oct 24, 2025 · OpenSees, the Open System for Earthquake Engineering Simulation, is an object-oriented, open source software framework. It allows users to create both serial and parallel …

Nov 8, 2019 · The OpenSees Getting Started manual provides a step by step instruction on how to obtain, install, and use OpenSees. For users who have never used OpenSees or a …

Mar 6, 2022 · The OpenSees Advanced Examples Manual contains examples on how to create models and perform simulations on those models. It has examples ranging from simple single …

Jan 14, 2010 · The OpenSees framework is written primarily in the objectoriented language C++; though other languages namely C and Fortran are also used. The abstract classes in the …

Apr 29, 2024 · To download and install OpenSees the user is required to download both the OpenSees and Tcl/Tk packages. The OpenSees and Tcl/Tk packages can both be …

3 days ago · A forum dedicated to feature requests and the future direction of OpenSees, i.e. what would you like, what do you need, what should we explore Moderators: silvia, …

Mar 17, 2010 · The objective of Example 1a and Example 1b is to give an overview of input-file format in OpenSees using simple scripts. These scripts do not take advantage of the Tcl …