Version 2.9.2, August 19, 2021:
- Added option to do 1D Site Response Analysis (2D mesh).
Version 2.7.8, September 12, 2019:
- Added option to model the shear-beam behavior of a pile.
Version 2.7.5, January 11, 2019:
- Added PDMY03 soil model (OpenSees PressureDependMultiYield03 command).
- Added Mumps solver.
Version 2.7.0, November 30, 2017:
- Switched to the 64-bit versions of OpenSees and Tcl.
Version 2.6.0, May 8, 2017:
- Added nonlinear pile option.
Version 2.5.3, January 21, 2016:
- Soil response profile plots added (in Soil Response Time Histories window).
- Visualization of Single Element shear stress-strain response added.
- Fixed bugs.
Version 2.4.8, May 5, 2015:
- Added Shear Beam Analysis Option.
Version 2.4.2, March 25, 2015:
- Properties of built-in soil materials can be viewed.
- OpenSees output can be recorded in every certain number of steps (e.g., record output in every 2 steps).
Version 2.3.17, March 11, 2015:
- Water table can be above the ground surface.
- Fixed bugs.
Version 2.2.10, September 15, 2014:
- Added modulus reduction curves of PI, EPRI and SHAKE91 (available in UClay1).
- Added report generator (plots converted into EPS format)
- Fixed bugs.
Version 2.1.10, April 16, 2014:
- Added Single Element analysis (to view the backbone curve of a soil material).
- Fixed numerous bugs.
Version 2.0.2, February 15, 2014:
- Introduced the OpenSeesPL .NET version. OpenSeesPL is re-written in C# with the Windows Presentation Foundation (WPF). OpenTK (OpenGL) library is used for visualization of FE mesh and OxyPlot is employed for x-y plotting.