{"id":44326,"date":"2020-05-23T23:27:06","date_gmt":"2020-05-23T23:27:06","guid":{"rendered":"\/forum\/forums\/topic\/constitutive-model-stressxstrain-relationship-of-concrete-with-part-descending-curve\/"},"modified":"2020-05-23T23:27:06","modified_gmt":"2020-05-23T23:27:06","slug":"constitutive-model-stressxstrain-relationship-of-concrete-with-part-descending-curve","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/constitutive-model-stressxstrain-relationship-of-concrete-with-part-descending-curve\/","title":{"rendered":"Constitutive model (stressxstrain relationship) of concrete with part descending curve"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><\/p>\n<p>Hello, members.<\/p>\n<p><\/p>\n<p>I would like to use the constitutive model for concrete by Tao (2013), that have a descending part after the maximum stress on stressxstrain relationship. I am attaching one picture here. I would like&nbsp; to formulate this relationship in order to represent the residual stress offer by the confinement effect.&nbsp;<\/p>\n<p><\/p>\n<p>However, the software has been returning this error: &#8220;TB,MISO table for material 2 at temperature 0 has a tangent slope value less than zero&#8221;. I am also attaching the textfile here.<\/p>\n<p><\/p>\n<p>I wonder if any member may help me to solve this problem.<\/p>\n<p><\/p>\n<p>Regards, Andrey<\/p>\n","protected":false},"template":"","class_list":["post-44326","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["16507"],"_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"],"_btv_view_count":["1582"],"_bbp_subscription":["251733"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["44326"],"_bbp_forum_id":["27791"],"_bbp_engagement":["200","3085","177582"],"_bbp_voice_count":["3"],"_bbp_reply_count":["9"],"_bbp_last_reply_id":["118552"],"_bbp_last_active_id":["118552"],"_bbp_last_active_time":["2020-06-22 14:20:13"]},"test":"andreyteston"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/44326","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\/44326\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=44326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}