{"id":455527,"date":"2026-04-01T09:42:49","date_gmt":"2026-04-01T09:42:49","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/temperature-bc-exterior-faces-only-application-and-priority-in-ansys\/"},"modified":"2026-04-01T09:42:49","modified_gmt":"2026-04-01T09:42:49","slug":"temperature-bc-exterior-faces-only-application-and-priority-in-ansys","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/temperature-bc-exterior-faces-only-application-and-priority-in-ansys\/","title":{"rendered":"Temperature BC: Exterior Faces Only Application and Priority in Ansys\u3134"},"content":{"rendered":"<p>&lt;p data-start=&#8221;138&#8243; data-end=&#8221;332&#8243;&gt;<strong>https:\/\/innovationspace.ansys.com\/courses\/courses\/radiation-in-heat-transfer\/lessons\/homework-quizzes-simulation-examples-radiation\/<\/strong>&lt;\/p&gt;&lt;p data-start=&#8221;138&#8243; data-end=&#8221;332&#8243;&gt;<strong>-&gt; The file for the second problem is available at the link, so I would appreciate it if you could refer to it for the other boundary conditions.<\/strong>&lt;\/p&gt;&lt;p data-start=&#8221;138&#8243; data-end=&#8221;332&#8243;&gt;In Ansys Steady-State Thermal analysis, when a Temperature boundary condition is applied at the body level, the &lsquo;Apply to&rsquo; option provides two choices: &lsquo;Exterior Faces Only&rsquo; and &lsquo;Entire Body&rsquo;.&lt;\/p&gt;&lt;p data-start=&#8221;334&#8243; data-end=&#8221;464&#8243;&gt;When selecting &lsquo;Exterior Faces Only&rsquo;, I would like to understand which faces of the body the temperature is actually applied to.&lt;\/p&gt;&lt;p data-start=&#8221;466&#8243; data-end=&#8221;680&#8243;&gt;Additionally, in my current analysis, when I applied a convection boundary condition to some surfaces of a body that was set with &lsquo;Exterior Faces Only&rsquo;, those surfaces did not maintain the prescribed temperature.&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;In this regard, I would like to know whether there is any internal priority or handling mechanism between boundary conditions in Ansys.&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;Exterior Faces Only Result&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775036253-mceclip0.png\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775036263-mceclip1.png\" width=\"748\" height=\"337\" \/>&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775036379-mceclip3.png\" width=\"1194\" height=\"512\" \/>&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;Entire Body Result&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775036415-mceclip4.png\" \/>&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775036337-mceclip2.png\" \/>&lt;\/p&gt;&lt;p data-start=&#8221;682&#8243; data-end=&#8221;817&#8243; data-is-last-node=&#8221;&#8221; data-is-only-node=&#8221;&#8221;&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-455527","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["455527"],"_bbp_subscription":["589834","275204"],"_bbp_author_ip":["114.70.12.225"],"_bbp_last_reply_id":["455592"],"_bbp_last_active_id":["455592"],"_bbp_last_active_time":["2026-04-02 02:12:35"],"_bbp_reply_count":["3"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["589834","275204"],"_btv_view_count":["25"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1775095702:589834"]},"test":"4ee829e35946bb1083a240a358abc212118ae12f"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/455527","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\/455527\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=455527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}