{"id":42,"date":"2025-11-28T00:39:04","date_gmt":"2025-11-28T00:39:04","guid":{"rendered":"https:\/\/quakesim.net\/openseespl\/?page_id=42"},"modified":"2025-11-28T00:39:04","modified_gmt":"2025-11-28T00:39:04","slug":"change_log","status":"publish","type":"page","link":"https:\/\/quakesim.net\/openseespl\/change_log\/","title":{"rendered":"Change Log"},"content":{"rendered":"<p style=\"line-height:20%\"><font face=\"Verdana\">Version 2.9.2, August 19, 2021:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\">Added option to do 1D Site Response Analysis (2D mesh).<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\" >Version 2.7.8, September 12, 2019:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Added option to model the shear-beam behavior of a pile.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\" >Version 2.7.5, January 11, 2019:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Added PDMY03 soil model (OpenSees PressureDependMultiYield03 command).<\/font><\/li>\n<li><font face=\"Verdana\" >Added Mumps solver.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\"  >Version 2.7.0, November 30, 2017:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\">Switched to the 64-bit versions of OpenSees and Tcl.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\" >Version 2.6.0, May 8, 2017:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\">Added nonlinear pile option.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\" >Version 2.5.3, January 21, 2016:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Soil response profile plots added (in Soil Response Time Histories window).<\/font><\/li>\n<li><font face=\"Verdana\">Visualization of Single Element shear stress-strain response added.<\/font><\/li>\n<li><font face=\"Verdana\" >Fixed bugs.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\" >Version 2.4.8, May 5, 2015:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Added Shear Beam Analysis Option.<\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\" >Version 2.4.2, March 25, 2015:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Properties of built-in soil materials can be viewed.<\/li>\n<li><font face=\"Verdana\" >OpenSees output can be recorded in every certain number of steps (e.g., record output in every 2 steps).<\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\">Version 2.3.17, March 11, 2015:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Water table can be above the ground surface.<\/font><\/li>\n<li><font face=\"Verdana\">Fixed bugs.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\">Version 2.2.10, September 15, 2014:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Added modulus reduction curves of PI, EPRI and SHAKE91 (available in UClay1).<\/font><\/li>\n<li><font face=\"Verdana\" >Added report generator (plots converted into EPS format)<\/font><\/li>\n<li><font face=\"Verdana\" >Fixed bugs.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\">Version 2.1.10, April 16, 2014:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >Added Single Element analysis (to view the backbone curve of a soil material).<\/font><\/li>\n<li><font face=\"Verdana\">Fixed numerous bugs.<\/font><\/li>\n<\/ul>\n<p style=\"line-height:20%\"><font face=\"Verdana\">Version 2.0.2, February 15, 2014:<\/font><\/p>\n<ul>\n<li><font face=\"Verdana\" >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.<\/font><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Version 2.9.2, August 19, 2021: Added option to do 1D Site Response Analysis (2D mesh). Version 2.7.8, September 12, 2019: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-42","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/pages\/42","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/comments?post=42"}],"version-history":[{"count":2,"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/pages\/42\/revisions"}],"predecessor-version":[{"id":44,"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/pages\/42\/revisions\/44"}],"wp:attachment":[{"href":"https:\/\/quakesim.net\/openseespl\/wp-json\/wp\/v2\/media?parent=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}