{"id":397788,"date":"2024-12-17T18:30:58","date_gmt":"2024-12-17T18:30:58","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/thermal-analysis-using-convection-surface-apdl21\/"},"modified":"2024-12-17T18:30:58","modified_gmt":"2024-12-17T18:30:58","slug":"thermal-analysis-using-convection-surface-apdl21","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/thermal-analysis-using-convection-surface-apdl21\/","title":{"rendered":"Thermal analysis using convection surface APDL21"},"content":{"rendered":"<p>&lt;p class=&#8221;MsoNormal&#8221;&gt;Hello everyone,&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;I attached the geometry that I used in Mechanical APDL 21, Once I am using the temperature functions for the BCs, the solver works well but I want to calculate the heat transfer, so I applied the temperature functions (T(r)) along with the heat transfer coefficient functions (htc(r)) based on the radial distributions (using convection surface). U&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;nfortunately, the solver doesn&rsquo;t work, and I receive the following error message for different elements where are located at the edges:&lt;\/span&gt;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;&lsquo;Element 8447 has a convection surface referencing a nonexistent HF&nbsp;material property for material number 136.&rsquo;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;The mesh and the elements mentioned in the error message&lt;span style=&#8221;font-size: 14pt;&#8221;&gt; are shown in the attached picture. Any help or guidance would be really appreciated.&lt;\/span&gt;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;Many thanks,&lt;\/span&gt;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/17-12-2024-1734460059-2.PNG\" alt=\"\" \/>&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-397788","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["397788"],"_bbp_subscription":["449302","18229"],"_bbp_author_ip":["86.15.234.23"],"_bbp_last_reply_id":["397908"],"_bbp_last_active_id":["397908"],"_bbp_last_active_time":["2024-12-18 18:59:27"],"_bbp_reply_count":["6"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["449302","18229"],"_btv_view_count":["252"],"_bbp_topic_status":["unanswered"]},"test":"s-fazelisussex-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/397788","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\/397788\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=397788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}