


{"id":39720,"date":"2019-12-19T10:30:46","date_gmt":"2019-12-19T10:30:46","guid":{"rendered":"\/forum\/forums\/topic\/3-point-bending-in-ansys\/"},"modified":"2019-12-19T10:30:46","modified_gmt":"2019-12-19T10:30:46","slug":"3-point-bending-in-ansys","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/3-point-bending-in-ansys\/","title":{"rendered":"3 Point Bending in Ansys"},"content":{"rendered":"<p>Hello to all,<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>I would like to simulate a 3point bending case with ansys. In this case, a plastic bar is loaded by a cylinder. I would like to see the stress in the bar after a 7.5 mm displacement in the y direction of the loading cylinder<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>I am using the static structural model with the following setup:<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><strong>Geometry [has a symmetryPlane]:<\/strong><\/p>\n<p><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/127ce44f-8962-4947-820c-aad9016ff4ee\/2e253420-f1bc-4e90-8ac0-ab2800a7b483_capture.jpg?width=690&amp;upscale=false\" alt=\"\" width=\"437\" height=\"233\"><\/strong><strong><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/127ce44f-8962-4947-820c-aad9016ff4ee\/0c144e68-ed01-459a-8c61-ab2800a95466_capture.jpg?width=690&amp;upscale=false\" alt=\"\" width=\"438\" height=\"273\"><\/strong><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><strong>Boundaries:<\/strong><\/p>\n<p><\/p>\n<p><strong>Fixed support<\/strong><strong><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/127ce44f-8962-4947-820c-aad9016ff4ee\/9675c864-84b3-4d22-b10b-ab2800a8a598_capture.jpg?width=690&amp;upscale=false\" alt=\"\"><\/strong><\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>Remote displacement<\/strong><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/127ce44f-8962-4947-820c-aad9016ff4ee\/1dac48dc-dd51-4d4a-b4c9-ab2800a9d2fe_capture.jpg?width=690&amp;upscale=false\" alt=\"\"><\/li>\n<p>\n<\/ul>\n<p><\/p>\n<p><strong>Analysis settings<\/strong><\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/127ce44f-8962-4947-820c-aad9016ff4ee\/c67c851d-d1fb-4059-bb10-ab2800aa8067_capture.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>I am getting the following error &#8220;Solver pivot warnings or errors have been encountered during the solution. This is usually a result of an ill conditioned matrix possibly due to unreasonable material properties, an under constrained model, or contact related issues. Check results carefully &#8221; , however the solver still works but it does not move the loading in the y direction. It has a strange behavior.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><strong>Result:<\/strong><\/p>\n<p><\/p>\n<p><strong>https:\/\/gfycat.com\/sillyleanaustralianfreshwatercrocodile<br \/><\/strong><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Does anyone know how to solve this?<\/p>\n<p><\/p>\n<p>Is the static module adequate for this problem?<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Best Regards!<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-39720","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["11899"],"_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":["893"],"_bbp_subscription":["243441"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["39720"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","64869"],"_bbp_voice_count":["2"],"_bbp_reply_count":["9"],"_bbp_last_reply_id":["101630"],"_bbp_last_active_id":["101630"],"_bbp_last_active_time":["2019-12-26 20:31:58"]},"test":"1234mamanunu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/39720","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\/39720\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=39720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}