{"id":37192,"date":"2019-08-19T10:18:43","date_gmt":"2019-08-19T10:18:43","guid":{"rendered":"\/forum\/forums\/topic\/modelling-retaining-wall-2\/"},"modified":"2019-08-19T10:18:43","modified_gmt":"2019-08-19T10:18:43","slug":"modelling-retaining-wall-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modelling-retaining-wall-2\/","title":{"rendered":"Modelling retaining wall"},"content":{"rendered":"<p>Hi all !<\/p>\n<p><\/p>\n<p>I want to model an retaining wall with backfill but I can&#8217;t seem to model it properly. Errors and warnings include<\/p>\n<p><\/p>\n<p>1)Solver pivot warnings or errors have been encountered during the solution.&nbsp; This is usually a result of an ill conditioned matrix possibly due to unreasonable material properties, an under constrained model, or contact related issues.&nbsp; Check results carefully.<\/p>\n<p><\/p>\n<p>2)Not enough constraints appear to be applied to prevent rigid body motion.&nbsp; This may lead to solution warnings or errors.&nbsp; Check results carefully.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/c2fc3619-e50c-4a7d-a0b2-a99d0030e67b\/b4432d2b-8bb0-4cb9-b830-aaae00a90de1_screenshot-(20).jpg?width=690&amp;upscale=false\" alt=\"Soil properties\"><\/p>\n<p><\/p>\n<p>Soil properties entered are random. Is this the mistake ?<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/c2fc3619-e50c-4a7d-a0b2-a99d0030e67b\/51bf9bfa-55b4-49a2-b085-aaae00a92ad2_screenshot-(18).jpg?width=690&amp;upscale=false\" alt=\"Support conditions\"><\/p>\n<p><\/p>\n<p>Elastic mat support on base and to ends at toe and heel of wall as highlighted with stiffness of 2.6 N\/mm3.<\/p>\n<p><\/p>\n<p>I&#8217;ve tried different contact conditions between soil and wall but nothing seems to work.<\/p>\n<p><\/p>\n<p>Thank you.<\/p>\n","protected":false},"template":"","class_list":["post-37192","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["9367"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0"],"_btv_view_count":["422"],"_bbp_subscription":["237895"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["37192"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","160481"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["92432"],"_bbp_last_active_id":["92432"],"_bbp_last_active_time":["2019-08-19 15:41:58"]},"test":"vinayn"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/37192","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\/37192\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=37192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}