{"id":358739,"date":"2024-03-25T07:39:19","date_gmt":"2024-03-25T07:39:19","guid":{"rendered":"\/forum\/forums\/reply\/358739\/"},"modified":"2024-03-25T07:39:19","modified_gmt":"2024-03-25T07:39:19","slug":"358739","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/358739\/","title":{"rendered":"Reply To: A simple compression problem of an elastic structure"},"content":{"rendered":"<p>&lt;p&gt;Dear all,&nbsp;&lt;\/p&gt;&lt;p&gt;So far, I used custom material for elasic structure with fitting Mooney-Rivlin 3 parameter model to experimental stress-strain curve.&lt;\/p&gt;&lt;p&gt;However, as I changed the material of elastic structure from custome material to structural steel, which is included in basic material library in Ansys, the simulation converged, although there were any changes except material.&lt;\/p&gt;&lt;p&gt;Then, can anyone explain about this problem?&lt;\/p&gt;&lt;p&gt;Below is the compressed structure with structural steel as a material.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/25-03-2024-1711352340-55.GIF\" alt=\"\" width=\"1163\" height=\"488\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-358739","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Dear all, So far, I used custom material for elasic structure with fitting Mooney-Rivlin 3 parameter model to experimental stress-strain curve.However, as I changed the material of elastic structure from custome material to structural steel, which is included in basic material library in Ansys, the simulation converged, although there were any changes except material.Then, can anyone\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" 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