{"id":48697,"date":"2020-10-05T08:47:22","date_gmt":"2020-10-05T08:47:22","guid":{"rendered":"\/forum\/forums\/topic\/plane-stress-or-plane-strain-for-railway-ballast-system\/"},"modified":"2020-10-05T08:47:22","modified_gmt":"2020-10-05T08:47:22","slug":"plane-stress-or-plane-strain-for-railway-ballast-system","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/plane-stress-or-plane-strain-for-railway-ballast-system\/","title":{"rendered":"Plane stress or plane strain for Railway Ballast system ?"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Dear All,<\/p>\n<p>I am working on wooden railsleeper analysis.<\/p>\n<p>Using Druker Prager model for Ballast and soils, Initially I assumed 2D Behavior of RailSleeper and Rails was Plane Stress and for Ballast and soil was Plane stress but I recieved Huge diflections in model as you can see in figure 1.<\/p>\n<p>Later I assumed evrything in Plane stress and recieved very small deflection as you can see n figure 2.<\/p>\n<p>Which one is suitable plane stress for entire model or plain strain for soils and ballst and plane stress for sleeper ?<\/p>\n<p>Kindly give sugesstions, thank you.<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/BCU03KO4TBBQ\/plane-strain-png.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/BCU03KO4TBBQ\/plane-strain-png.png\" alt=\"plane strain.PNG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-48697","topic","type-topic","status-closed","hentry","topic-tag-2d","topic-tag-ansys-student","topic-tag-railway-track","topic-tag-soil-modeling","topic-tag-structural-mechanics"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["20921"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["??\u0002\u000b"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["636"],"_bbp_subscription":["252664"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["48697"],"_bbp_forum_id":["27791"],"_bbp_engagement":["4413","178530"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["131510"],"_bbp_last_active_id":["131510"],"_bbp_last_active_time":["2020-10-28 17:43:35"]},"test":"user8179"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/48697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/48697\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=48697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}