{"id":31769,"date":"2018-11-27T10:46:27","date_gmt":"2018-11-27T10:46:27","guid":{"rendered":"\/forum\/forums\/topic\/hyperelastic-simulation-settings\/"},"modified":"2018-11-27T10:46:27","modified_gmt":"2018-11-27T10:46:27","slug":"hyperelastic-simulation-settings","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hyperelastic-simulation-settings\/","title":{"rendered":"Hyperelastic simulation settings"},"content":{"rendered":"<p>I try to simulate pressure on a hyperelastic material (TPE) in contact with an object. I fitted only uniaxial&nbsp;test data (not compressive nor shear)&nbsp; and used the 9 parameter moonley-rivlin model.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/21694552-7226-4736-bbac-a97a0085a209\/d71ed4f4-59ae-4ef5-9c65-a9a500af7e7a_graph-moonley.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>Are there any setting recommendations to obtain convergence? At contact moment the simulation fails. Solver settings are all on program controlled except for large deflections of course. I tried all different contact relations.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/21694552-7226-4736-bbac-a97a0085a209\/7708b990-83fe-48f8-b931-a9a500ae07ca_untitled.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>Currently i get the following warning:<\/p>\n<p><\/p>\n<blockquote><p><\/p>\n<p>The solver engine was unable to converge on a solution for the nonlinear problem as constrained.&nbsp; Please see the Troubleshooting section of the Help System for more information.<\/p>\n<p>\n<\/p><\/blockquote>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-31769","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I try to simulate pressure on a hyperelastic material (TPE) in contact with an object. 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