{"id":217436,"date":"2022-07-01T11:02:35","date_gmt":"2022-07-01T11:02:35","guid":{"rendered":"\/forum\/forums\/topic\/error-when-assigning-my-own-material-properties-in-workbench-ls-dyna\/"},"modified":"2022-07-01T11:02:35","modified_gmt":"2022-07-01T11:02:35","slug":"error-when-assigning-my-own-material-properties-in-workbench-ls-dyna","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-when-assigning-my-own-material-properties-in-workbench-ls-dyna\/","title":{"rendered":"Error when assigning my own material properties in Workbench LS-Dyna"},"content":{"rendered":"<p>Hey,&nbsp;<\/p>\n<p>I&#8217;m trying to inflate a balloon in Workbench LS-Dyna.&nbsp;<\/p>\n<p>When I use the Rubber 1 material (As seen below) given in Engineering Data Sources the model runs without any errors. It is a third order Ogden material.&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/media.forumbee.com\/i\/82de6e7c-742b-4bc7-a6ec-415bbb3d28d9\/h\/547.png\" alt=\"\" width=\"1667\"><\/p>\n<p>&nbsp;<\/p>\n<p>But I want to run the model with values from a paper I am referencing. The material properties are seen below.&nbsp; This is also a third order Ogden material.&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/media.forumbee.com\/i\/ce835acc-8369-4602-8035-369bb0ab4960\/h\/547.png\" alt=\"\" width=\"775\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/media.forumbee.com\/i\/eccc0daf-91fd-477b-85f0-ee55e602d72a\/h\/547.png\" alt=\"\" width=\"1667\"><\/p>\n<p>But when I change the coefficients to the ones in the table above I get an error.&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/media.forumbee.com\/i\/54ee18d7-5112-4f21-ba34-aa9d1a1d12b1\/h\/547.png\" alt=\"\" width=\"565\"><\/p>\n<p>Error MAT 2 is not found. Am I inputting the coefficients incorrectly?<\/p>\n<p>If anyone could help me I&#8217;d be very grateful.&nbsp;<\/p>\n<p>Thanks,&nbsp;<\/p>\n<p>Ben<\/p>\n","protected":false},"template":"","class_list":["post-217436","topic","type-topic","status-closed","hentry","topic-tag-hyperelasticity","topic-tag-material"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["8177","30","25","3340","13468","13694"],"_bbp_author_ip":["204.2.243.141"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1209"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["217436"],"_bbp_forum_id":["27814"],"_bbp_engagement":["8177","13468","13694"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["218575"],"_bbp_last_active_id":["218575"],"_bbp_last_active_time":["2022-07-15 08:33:39"]},"test":"mn17b2mleeds-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/217436","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\/217436\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=217436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}