{"id":197903,"date":"2026-01-13T07:35:21","date_gmt":"2026-01-13T07:35:21","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/knowledge\/?post_type=topic&#038;p=197903"},"modified":"2026-03-12T08:25:11","modified_gmt":"2026-03-12T08:25:11","slug":"thermal-conductance-in-ansys-discovery-2026r1","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/thermal-conductance-in-ansys-discovery-2026r1\/","title":{"rendered":"Thermal Conductance in Ansys Discovery (2026R1)"},"content":{"rendered":"<p>In a structural-thermal simulation, you can choose how to define the conductive heat transfer between contact surfaces. This video explains how you can do that in Discovery 2026R1.<br \/>\n<iframe loading=\"lazy\" class=\"vidyard_iframe\" src=\"\/\/play.vidyard.com\/XSWZZpH6TWwPMFD4XdxnUF.html?\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><strong>Important considerations:<\/strong><\/p>\n<p class=\"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 class=\"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 id=\"r_structural_contactgroup_tools__note_tfm_ffy_22c\" class=\"note note note_note\"><strong><span class=\"note__title\">Note:<\/span> <\/strong>While the application can solve with a value of 0, which specifies no electric transfer between the faces, a project with a 0 value for electric conductance is invalid when exported to the <span class=\"keyword\">Workbench <\/span>application. You must then replace zero conductance with some small value.<\/p>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-197904\" src=\"https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile-300x240.png\" alt=\"\" width=\"300\" height=\"240\" srcset=\"https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile-300x240.png 300w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile-768x615.png 768w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile-24x19.png 24w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile-36x29.png 36w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile-48x38.png 48w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/01\/Thermal_Conductance_AIS_Tile.png 996w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-197903","topic","type-topic","status-publish","hentry","topic-tag-conductance","topic-tag-contact","topic-tag-contact-heat-transfer","topic-tag-heat-transfer","topic-tag-thermal-conductance","topic-tag-thermal-load","filter-by-application-ansys-discovery","filter-by-application-discovery-explore","filter-by-application-discovery-geometry","filter-by-application-discovery-refine"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"In a structural-thermal simulation, you can choose how to define the conductive heat transfer between contact surfaces. This video explains how you can do that in Discovery 2026R1. Important considerations: 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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/thermal-conductance-in-ansys-discovery-2026r1\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Thermal Conductance in Ansys Discovery (2026R1) | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"In a structural-thermal simulation, you can choose how to define the conductive heat transfer between contact surfaces. 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Important considerations: 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.\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/thermal-conductance-in-ansys-discovery-2026r1\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/heat-transfer\\\/#listItem\",\"name\":\"heat-transfer\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/heat-transfer\\\/#listItem\",\"position\":3,\"name\":\"heat-transfer\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/heat-transfer\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/thermal-conductance-in-ansys-discovery-2026r1\\\/#listItem\",\"name\":\"Thermal Conductance in Ansys Discovery (2026R1)\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/thermal-conductance-in-ansys-discovery-2026r1\\\/#listItem\",\"position\":4,\"name\":\"Thermal Conductance in Ansys Discovery (2026R1)\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/heat-transfer\\\/#listItem\",\"name\":\"heat-transfer\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/thermal-conductance-in-ansys-discovery-2026r1\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/thermal-conductance-in-ansys-discovery-2026r1\\\/\",\"name\":\"Thermal Conductance in Ansys Discovery (2026R1) | Ansys Knowledge\",\"description\":\"In a structural-thermal simulation, you can choose how to define the conductive heat transfer between contact surfaces. 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