{"id":182307,"date":"2023-11-16T05:05:45","date_gmt":"2023-11-16T05:05:45","guid":{"rendered":"\/knowledge\/?post_type=topic&#038;p=182307"},"modified":"2024-05-16T05:14:26","modified_gmt":"2024-05-16T05:14:26","slug":"discovery-quick-tip-applying-thermal-conductance","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/discovery-quick-tip-applying-thermal-conductance\/","title":{"rendered":"Discovery Quick Tip- Applying Thermal Conductance"},"content":{"rendered":"<p>In this quick tip video, you will learn how you can specify thermal conductance for your contacting bodies.<\/p>\n<p><iframe loading=\"lazy\" class=\"vidyard_iframe\" title=\"Adding2023 R1 Quick Tip - Applying Thermal Conductance\" src=\"\/\/play.vidyard.com\/mx4ZAz371Xbqa74wiYfG4w.html?\" width=\"640\" height=\"360\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>For bonded contacts in a structural-thermal simulation, select <strong>Specify thermal conductance<\/strong> to modify the conductive heat transfer between contact surfaces. You can specify the thermal conductance as a value, or you can specify a material and material thickness. If thermal conductance is not switched on, heat is transferred between the two faces as if there was perfect conduction.<\/p>\n<ul>\n<li>Select <strong>Thermal conductance<\/strong> to specify the conductive heat transfer as a value.<\/li>\n<li>Select <strong>Compute from<\/strong> to specify a material and material thickness, which Discovery then uses to compute the thermal conductance (material conductivity\/thickness)<\/li>\n<\/ul>\n<p>If contact occurs, a small value of thermal contact conductance yields a measured amount of imperfect contact and a temperature discontinuity across the contact surfaces. A small thermal contact conductance can also be used to represent a thin layer of material with a different conductivity, such as a gasket.<\/p>\n<p>For large values of thermal contact conductance, the resulting temperature discontinuity tends to vanish and perfect thermal contact is approached. With a zero value, however, the solver assumes that no heat is transferred across the contacting surfaces.<\/p>\n<p><em><strong><span class=\"note__title\">Note:<\/span><\/strong>\u00a0While\u00a0<span class=\"keyword\">Discovery<\/span>\u00a0can solve with a value of 0, which specifies no heat transfer between the faces, a project with a 0 value for\u00a0<span class=\"highlight\">thermal conductance<\/span>\u00a0is invalid when exported to Workbench. You must then replace zero conductance with some small value.<\/em><\/p>\n","protected":false},"template":"","class_list":["post-182307","topic","type-topic","status-publish","hentry","topic-tag-bonded-contacts","topic-tag-compute-from-material","topic-tag-compute-from-material-thickness","topic-tag-conductive-heat-transfer","topic-tag-contact-surfaces","topic-tag-gasket","topic-tag-imperfect-contact","topic-tag-large-thermal-conductance","topic-tag-material-conductivity","topic-tag-material-thickness","topic-tag-perfect-conduction","topic-tag-perfect-thermal-contact","topic-tag-specify-thermal-conductance","topic-tag-structural-thermal-simulation","topic-tag-temperature-discontinuity","topic-tag-thermal-conductance-value","topic-tag-thermal-contact-conductance","topic-tag-thin-layer-material","filter-by-application-discovery","filter-by-application-discovery-explore","filter-by-application-discovery-model","filter-by-application-discovery-refine","filter-by-application-discovery-spaceclaim"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_edit_lock":["1715838635:77057"],"_edit_last":["77057"],"_wp_old_date":["2024-05-16"],"filter_by_optics_product":["Lumerical"],"_filter_by_optics_product":["field_64fb192ba3121"],"application_name":[""],"_application_name":["field_64a80903c8e15"],"family":[""],"_family":["field_64a809229a857"],"siebel_km_number":[""],"_siebel_km_number":["field_63ecbffce60db"],"salesforce_km_number":[""],"_salesforce_km_number":["field_63ecc018e60dc"],"km_published_date":[""],"_km_published_date":["field_64c77704499dd"],"product_version":[""],"_product_version":["field_64c776cb4fd2e"],"_bbp_forum_id":["159543"],"_bbp_topic_id":["182307"],"_bbp_author_ip":["184.24.96.186"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["182308"],"_bbp_last_active_time":["2024-05-16 05:13:24"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["0"],"_yoast_wpseo_content_score":["60"],"_yoast_wpseo_estimated-reading-time-minutes":["2"],"_btv_view_count":["6137"],"_bbp_likes_count":["1"]},"test":"watchlearnansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/182307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/182307\/revisions"}],"predecessor-version":[{"id":182308,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/182307\/revisions\/182308"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=182307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}