{"id":389403,"date":"2024-10-13T12:59:55","date_gmt":"2024-10-13T12:59:55","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hyperelastic-materical\/"},"modified":"2024-10-13T12:59:55","modified_gmt":"2024-10-13T12:59:55","slug":"hyperelastic-materical","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hyperelastic-materical\/","title":{"rendered":"Hyperelastic Materical"},"content":{"rendered":"<p>&lt;p&gt;Hi, I am trying to simulate deformation of a hemispherical microstructure of dimension 0.3 mm dia, placed over a 0.1 mm thick PI substrate, under uniform pressure. But the results I obtained show maximum deformation on the edge of the structure when it should be on the contact tip and the PI substrate. The stress however is maximum on the contact interface only.&lt;br&gt;&lt;br&gt;Materials: Hemisphere- PDMS, Base-PI&lt;br&gt;&lt;br&gt;Contact- Frictional-Solid to Solid&lt;br&gt;&lt;br&gt;Mesh- Patch conforming method (tetrahedrons)&lt;br&gt;&lt;br&gt;Boundary conditions-&lt;br&gt;Lower base- Fixed&lt;br&gt;Uniform normal pressure on the hemisphere top surface with Displacement on Y and Z axis&lt;br&gt;&lt;br&gt;Please help.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/13-10-2024-1728824382-Presentation1.jpg\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-389403","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["97683","440006"],"_bbp_author_ip":["14.139.37.248"],"_btv_view_count":["102"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["389403"],"_bbp_forum_id":["27791"],"_bbp_engagement":["97683","440006"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["389448"],"_bbp_last_active_id":["389448"],"_bbp_last_active_time":["2024-10-14 09:22:51"]},"test":"thapa-2iitj-ac-in"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/389403","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\/389403\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=389403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}